CN113840097A - Control method and device - Google Patents
Control method and device Download PDFInfo
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- CN113840097A CN113840097A CN202111161146.0A CN202111161146A CN113840097A CN 113840097 A CN113840097 A CN 113840097A CN 202111161146 A CN202111161146 A CN 202111161146A CN 113840097 A CN113840097 A CN 113840097A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
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Abstract
The embodiment of the application provides a control method and a control device, wherein the method comprises the following steps: when a camera module is used for image acquisition, display parameters of an object to be acquired in a view finding range are obtained, wherein the camera module comprises a light-emitting component; and controlling the light-emitting component to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, wherein the target viewing area is an area where an object to be acquired with display parameters meeting corresponding display conditions in the viewing range is located. According to the embodiment of the application, the display parameters of the object to be collected are acquired, the light-emitting component is controlled to perform light supplement at least according to the actual display parameters of the object to be collected, so that a target view area corresponding to the object to be collected can obtain a targeted light supplement effect, a target image with a good shooting effect is directly output, the adjustment process has better flexibility, and the user experience is good.
Description
Technical Field
The present disclosure relates to the field of photography technologies, and in particular, to a control method and apparatus.
Background
In the process of photographing or shooting, the photographing effect is poor due to the influence of uneven light or other conditions in the photographing area.
Disclosure of Invention
In one aspect, an embodiment of the present application provides a control method, including:
when a camera module is used for image acquisition, display parameters of an object to be acquired in a view finding range are obtained, wherein the camera module comprises a light-emitting component;
and controlling the light-emitting component to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, wherein the target viewing area is an area where an object to be acquired with display parameters meeting corresponding display conditions in the viewing range is located.
In some embodiments, obtaining display parameters of the object to be captured within the viewing range comprises:
and acquiring a first image corresponding to the view range, and identifying display parameters of at least one object to be acquired in the first image, or identifying display parameters of a view area where the at least one object to be acquired is located in the first image, wherein the first image is obtained by the camera module executing shooting operation or preview operation.
In some embodiments, the controlling the light emitting assembly to fill a target viewing area with light based on at least the display parameter includes:
determining a light-emitting parameter corresponding to the light-emitting component at least based on the display parameter, and controlling the light-emitting component to supplement light to a target viewing area according to the light-emitting parameter; or the like, or, alternatively,
and determining a light-emitting parameter corresponding to the light-emitting component at least based on the display parameter and the relative position relationship between the light-emitting component and the object to be collected, and controlling the light-emitting component to supplement light to the target viewing area according to the light-emitting parameter.
In some embodiments, the determining the lighting parameter corresponding to the lighting component based on at least the display parameter includes:
determining a color temperature parameter and/or a color parameter of at least one light-emitting piece in the light-emitting assembly based on the display color parameter of the object to be acquired and the standard color parameter of the object to be acquired; or the like, or, alternatively,
and determining a target view area to be supplemented with light based on the display parameter difference between the objects to be acquired so as to determine at least one of a color temperature parameter, a color parameter or an illumination parameter of a light emitting element corresponding to the target view area in the light emitting assembly.
In some embodiments, the determining the lighting parameter corresponding to the lighting assembly based on at least the display parameter and the relative position relationship between the lighting assembly and the object to be acquired includes:
determining at least one of a color temperature parameter, a color parameter or an illumination parameter of a corresponding luminous element in the luminous assembly based on the display difference and the relative position relation of each area of the object to be acquired, so that the display difference of each area of the image to be acquired in the target image is within a first threshold range; or the like, or, alternatively,
and determining at least one of a color temperature parameter, a color parameter or an illumination parameter of a corresponding luminous element in the luminous assembly based on the display parameter difference between the objects to be acquired and the relative position relationship, so that the display parameter difference of each object to be acquired in the target image is within a second threshold range.
In some embodiments, obtaining a target image corresponding to the viewing range includes:
when the light-emitting component is controlled to supplement light for a target viewing area, or after the light-emitting component is controlled to supplement light for the target viewing area, the camera module is controlled to execute shooting operation to obtain the target image; or the like, or, alternatively,
and determining a light-emitting parameter of a target viewing area based on the display parameter, and processing the first image based on the light-emitting parameter to obtain the target image.
In some embodiments, the controlling the light emitting assembly to fill a target viewing area with light based on at least the display parameter includes:
and obtaining the environmental parameters of the camera module, and controlling the light-emitting component to supplement light to the target viewing area based on the environmental parameters and the display parameters.
In some embodiments, the method further comprises:
and obtaining the position change information of the object to be acquired, and adjusting the light-emitting parameters of the light-emitting component at least based on the position change information.
In some embodiments, the method further comprises:
determining the operation type executed by the camera module, and adjusting the light-emitting parameters of the light-emitting component and/or determining the time for adjusting the light-emitting parameters of the light-emitting component based on the operation type.
On the other hand, based on the same inventive concept, an embodiment of the present application provides a control apparatus, including:
the acquisition module is configured to acquire display parameters of an object to be acquired in a view finding range when a camera module is used for image acquisition, and the camera module comprises a light-emitting component;
and the light supplementing module is configured to control the light emitting assembly to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, wherein the target viewing area is an area where an object to be acquired with display parameters meeting corresponding display conditions in the viewing range is located.
The embodiment of the present application further provides an electronic device, which at least includes a memory, a processor and a bus, where the memory stores machine-readable instructions executable by the processor, and when the electronic device runs, the processor and the memory communicate with each other through the bus, and when the machine-readable instructions are executed by the processor, the steps of the method provided in any embodiment of the present application are performed.
The present application further provides a storage medium storing one or more programs which, when executed by a processor, implement the steps of the method provided in any of the above embodiments of the present application.
Compared with the prior art, the beneficial effects of the embodiment of the application lie in that: according to the embodiment of the application, the display parameters of the object to be collected are acquired, the light-emitting component is controlled to perform light supplement at least according to the actual display parameters of the object to be collected, so that a target view area corresponding to the object to be collected can obtain a targeted light supplement effect, a target image with a good shooting effect is directly output, subsequent image processing is not needed, the adjustment process has good flexibility, and user experience is good.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a control method provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a light emitting device used in the control method according to the embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a control method provided in an embodiment of the present application;
FIG. 4 is a schematic diagram of a control method according to another embodiment of the present disclosure;
fig. 5 is a block diagram of a control device provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Detailed descriptions of known functions and known components are omitted in the present application in order to keep the following description of the embodiments of the present application clear and concise.
In the process of photographing or shooting, the photographing effect can be improved by performing light supplementing operation through the light supplementing lamp. The light supplement lamp can preset a light emitting parameter or a plurality of light emitting parameters for light supplement operation, and under the conditions that environmental factors are changed or the position of an object to be collected is adjusted, and the like, the light supplement lamp cannot be correspondingly adjusted according to actual conditions and is not flexible enough, so that the final shooting effect is influenced. According to the control method provided by the embodiment of the application, the display parameters of the object to be collected are obtained, the light-emitting component is controlled to perform light supplement at least according to the actual display parameters of the object to be collected, so that a targeted view finding area corresponding to the object to be collected can obtain a targeted light supplement effect, the shooting effect is better, better flexibility is achieved, and the user experience is good.
Fig. 1 shows a flowchart of a control method provided in an embodiment of the present application. As shown in fig. 1, the control method of the embodiment of the present application includes the following steps S100 to S200.
S100, when the camera module is used for image acquisition, the display parameters of an object to be acquired in a view-finding range are obtained, and the camera module comprises a light-emitting component.
The method comprises the following steps of obtaining display parameters of an object to be acquired in a view finding range, and controlling a light emitting component to perform light supplement according to the display parameters at least in the subsequent steps. In some specific applications, as shown in fig. 2, the light emitting assembly includes a plurality of light sources (for example, the light sources are LED lamps), corresponding light guiding modules, and corresponding lens modules, the light sources and the corresponding light guiding modules can form a light emitting device, and a light shielding plate is disposed between adjacent light emitting devices to avoid light interference between the adjacent light emitting devices. It is thus clear that the light emitting component of this application can give out light through the light emitting component who controls different regions to carry out the adjustment of light filling effect. In the camera module of this application, on light-emitting component and camera were connected to a control system to control light-emitting component. In a specific application, the light emitting assembly may be disposed beside the camera, and the two light emitting assemblies are spaced relatively closely, or the two light emitting assemblies may be spaced relatively far apart from each other, and this step is not limited.
When a user utilizes the camera module to collect images, the user can collect relevant image information as a first image to obtain display parameters of an object to be collected in a view finding range according to the first image.
The first image can be obtained by at least executing shooting operation or preview operation through the camera module. In some specific applications, the camera module may obtain a shooting preview function through the camera to obtain an image under a preview operation, so as to obtain the first image. When the camera performs photographing preview, the camera can perform preview operation in a view finding range for an object to be acquired, and obtain a preview image corresponding to the view finding range, so as to obtain the first image. In some specific applications, the camera module may further perform a shooting operation on the object to be captured within the view range through the camera, and shoot an image corresponding to the view range, so as to obtain the first image.
After the first image corresponding to the viewing range is obtained, the display parameters of the object to be acquired can be obtained by identifying the first image. In this embodiment, the display parameter may include at least one of a brightness value, a display color parameter, a display position, or a color temperature value. The display color parameter is used to show the color of the pattern, and may be determined by identifying the RGB values corresponding to each pixel in the first image. When the first image is biased to orange or red, the feeling of warmth is given to people; and when the color is blue, the feeling of cool and clear is given to people. The color temperature value is used for reflecting the overall color deviation of the first image, and the color temperature value of the first image is obtained by identifying and extracting the color temperature value of the pixel point of the first image and generating a color temperature curve. Of course, in order to obtain the color temperature value, after the corresponding hue information is determined by counting the RGB values of all pixels on the image, the corresponding hue information is determined according to the corresponding relationship between the hue information and the color temperature.
Because the display parameters of the image reflect the information such as the brightness, the color and the like of each object in the view range to a certain extent, the brightness and/or the color information of the position of the object to be acquired in the real environment or the configuration of the camera can be obtained or determined through the display parameters of the image. The display parameters of the object to be acquired comprise display parameters of at least one object to be acquired obtained based on the first image or display parameters of a viewing area in which at least one object to be acquired is located, which are obtained based on the first image. In some specific applications, when the display parameters of the object to be acquired are obtained, the light supplement is only needed to be performed on the part of the first image including the object to be acquired, so that the shooting effect of the object to be acquired is improved, and the object to be acquired is highlighted. Therefore, when the first image is identified, only the main image portion where the object to be captured is located may be identified, and the display parameter of the object to be captured in the main image portion may be obtained, for example, at least one of the display color parameter, the brightness value, or the color temperature value may be obtained.
In other specific applications, for a main body part including an object to be acquired, a user only focuses on a face region of the object to be acquired, and only light is supplemented to the face region to improve a shooting effect. In this case, when the first image is identified, only the display parameters of the viewing area corresponding to the face area need to be identified to obtain the display parameters of the object to be captured in the viewing area, for example, to obtain at least one of a display color parameter, a brightness value, or a color temperature value.
And S200, controlling the light-emitting component to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, wherein the target viewing area is an area where an object to be acquired with the display parameters meeting corresponding display conditions in the viewing range is located.
The step aims to control the light-emitting component to emit light according to the display parameters so as to perform light supplement operation on the target viewing area, so that the target viewing area corresponding to the object to be acquired can obtain a corresponding light supplement effect. In this step, the target viewing area is an area where the object to be acquired whose display parameters satisfy the corresponding display conditions within the viewing range is located. In some specific applications, when the viewing range includes a plurality of objects to be acquired, a difference value of display parameters between the plurality of objects to be acquired exceeds a preset threshold value, so that a shooting effect of one or more of the objects to be acquired is obviously better than that of other objects to be acquired, and at this time, an area where the one or more objects to be acquired is located is a target viewing area. As an example, referring to fig. 3, fig. 3 includes four objects to be acquired, where a first luminance value displayed by two objects to be acquired located in an area 1 and an area 2 is greatly different from a second luminance value displayed by two other objects to be acquired, and when a difference between the first luminance value and the second luminance value exceeds a preset threshold, the area 1 and the area 2 may be used as target viewing areas, and meanwhile, light emitting elements at an area 1 'corresponding to the area 1 and an area 2' corresponding to the area 2 in the light emitting assembly are controlled to emit light, so as to perform light supplement processing on the area 1 and the area 2. In other specific applications, when the display parameters of the object to be acquired in the viewing range do not match the display parameters of the standard image, the display parameters of the viewing area where the object to be acquired is located may be considered to satisfy the display conditions of the present application, and at this time, the area where the object to be acquired is located is the target viewing area. For example two, referring to fig. 4, a user may input a standard image of an orange in advance, and when the brightness or display color parameter of the orange to be captured photographed in fig. 4 does not match the brightness or display color parameter of the standard image, the area where the orange is located is used as the target viewing area to perform light supplement processing. Of course, the shot image is a close view of an orange, the proportion of the orange is large, and the view range can be used as a target view area for light supplement. When control light emitting component is luminous, consider the energy saving, need have the light filling effect on the whole simultaneously, can divide light emitting component's corresponding region into a plurality of even light emitting region and non-light emitting region on the whole, light emitting region and non-light emitting region are adjacent, light emitting region presents the symmetrical arrangement on light emitting component's whole region simultaneously to the control corresponds regional illuminating part and gives out light, realizes treating the light filling effect of gathering the object orange on the whole.
After the target view area is determined, the corresponding light-emitting element can be determined from the light-emitting assembly according to the target view area, and the light supplement parameter of the light-emitting element is determined at least based on the display parameter, so that the light-emitting assembly is controlled to emit light, and the light supplement operation of the target view area is realized. The determination of the light-emitting parameters of the light-emitting element and the determination of the light-emitting element corresponding to the target viewing area need not define a precedence relationship, and any of the steps may be determined first or may be determined simultaneously. In a third example, on the basis of the second example, after the target viewing area is determined, when the display parameter of the object to be captured does not match the display parameter of the standard image, the difference between the display parameter of the object to be captured and the display parameter of the standard image may be obtained through comparison. And then determining the light-emitting parameters of the light-emitting piece according to the difference, and determining the corresponding light-emitting piece from the light-emitting assembly according to the target viewing area corresponding to the object to be acquired, so as to supplement light to the target viewing area.
In some specific embodiments, two types of positional relationships between the camera and the light emitting assembly in the camera module are considered. Or the camera and the light-emitting component are close to each other, and the distance difference between the camera and the light-emitting component and the object to be collected is not too large, so that the light supplementing effect is not influenced; or the distance between the light source and the object to be acquired is far away, and the distance between the light source and the object to be acquired is greatly different, so that the light supplement effect is influenced by the distance between the light source and the object to be acquired. Any reference object can be selected as an origin, and the distance vector between the camera and the light-emitting component relative to the reference object can be calculated. It can be seen that, when the camera and the light emitting component are respectively located at the positions with the same distance on the two sides of the object to be collected, the distances between the camera and the object to be collected are not the same, and whether the difference is large or not is determined according to the actual distance between the camera and the object to be collected.
In some specific applications, when a camera in the camera module may be closer to the light emitting component, the light emitting component may be controlled to fill the target viewing area with light according to the light emitting parameter by determining the light emitting parameter corresponding to the light emitting component based on at least the display parameter. The embodiment aims to determine the corresponding light-emitting parameters of the light-emitting component according to the display parameters of the object to be acquired. Specifically, the acquired display parameters may be compared with the display parameters of the standard image, and the lighting parameters may be determined according to the difference values. Here, the standard image may be manually selected by the user, or may be automatically acquired by the electronic device from a user history operation record. Of course, the electronic device may also obtain display parameters corresponding to specific scenes or specific types of objects to be acquired after analyzing some images preferred by the public. In other specific applications, display parameters of different objects to be acquired can be acquired, so that the lighting parameters can be determined according to the difference of the display parameters.
In some embodiments, the determining the lighting parameter corresponding to the lighting component based on at least the display parameter includes: and determining the color temperature parameter and/or the color parameter of at least one light-emitting piece in the light-emitting assembly based on the display color parameter of the object to be acquired and the standard color parameter of the object to be acquired. Specifically, the standard color parameter of the object to be acquired may be obtained from a historical image selected by the electronic device according to a historical shooting habit of the user, or obtained from a standard image input by the user in advance, which is not limited in this application. When the display color parameter of the object to be acquired is lower than the standard color parameter, calculating the display color parameter and the standard color parameter of the object to be acquired to obtain a corresponding difference value, and determining a color temperature parameter or a color parameter when at least one light-emitting element in the light-emitting assembly emits light according to the difference value, or determining the color temperature parameter and the color parameter simultaneously so as to enable the display color parameter of the object to be acquired to be the same as the standard color parameter.
For example, the display color parameter of the object to be captured may be obtained from an image portion corresponding to the target viewing area, corresponding to the first RGB value. The standard color parameters are obtained from a standard image and correspond to second RGB values. Here, the first RGB values and the second RGB values each include a plurality of RGB values corresponding to all pixels on the corresponding image. And determining the color parameters of one or more luminous elements according to the difference values of the first RGB value and the second RGB value on the corresponding pixels so as to control the one or more luminous elements to emit light according to the color parameters. Therefore, the light-emitting assembly is controlled to supplement light to the object to be collected, the first RBG value of the display color parameter of the object to be collected is adjusted to achieve the second RGB value, and the color adjustment requirement of the target image is met.
For example, a plurality of RGB values in the first RGB value may be counted to obtain first color information corresponding to the first RGB value; and counting the plurality of RGB values of the second RGB value to obtain second hue information corresponding to the second RGB value. And respectively obtaining a first color temperature value and a second color temperature value corresponding to the first color information and the second color information according to the preset corresponding relation between the color tone and the color temperature, and calculating the color temperature difference value of the first color temperature value and the second color temperature value. And calculating the color temperature parameters of one or more light-emitting parts according to the color temperature difference value so as to control the one or more light-emitting parts to emit light according to the color temperature parameters. Therefore, the light supplementing is carried out on the object to be collected by controlling the light emitting assembly, the tone information presented by the object to be collected is adjusted, and the integral tone requirement of the target image is met.
Of course, exemplarily, the color parameter and the color temperature parameter of one or more light-emitting elements can be determined at the same time to control the one or more light-emitting elements to emit light according to the color parameter and the color temperature parameter, so that the display color parameter of the object to be acquired and the overall tone display information are adjusted at the same time, the color temperature value reaches the parameter value corresponding to the standard image, and the shooting effect is improved.
In some specific applications, the determining the light emitting parameter corresponding to the light emitting component based on at least the display parameter may be: and determining a target view area to be supplemented with light based on the display parameter difference between the objects to be acquired so as to determine at least one of a color temperature parameter, a color parameter or an illumination parameter of a light emitting element corresponding to the target view area in the light emitting assembly.
Specifically, display parameters of a plurality of objects to be acquired, for example, at least one of a brightness value, a display color parameter or a color temperature parameter, are acquired. And comparing the display parameters of the plurality of objects to be acquired to obtain display parameter differences, and when the display parameter differences reach a preset threshold value, determining a viewing area where the object to be acquired with lower display parameters is located as a target viewing area. After the target viewing area is determined, the corresponding light emitting piece can be determined from the light emitting assembly according to the target viewing area, one or more parameters of color temperature parameters, color parameters or illumination parameters of the light emitting piece are determined according to the display parameter difference, so that the corresponding light emitting piece is controlled to emit light according to one or more parameters of the color temperature parameters, the color parameters or the illumination parameters, light supplement processing is carried out on the object to be collected in the target viewing area, and the display parameters of the object to be collected are adjusted.
Illustratively, when the lighting parameters are determined according to the display parameters of at least two objects to be collected, a first brightness value and a second brightness value corresponding to the two objects to be collected are obtained, and the first brightness value and the second brightness value are compared to obtain a brightness difference value. And when the brightness difference is larger than a preset brightness difference threshold, determining a view area where the object to be acquired corresponding to the lower brightness value is located as a target view area. And then, determining a corresponding light-emitting piece from the light-emitting assembly according to the target viewing area, and determining an illumination parameter of the light-emitting piece according to the brightness difference value so as to control the corresponding light-emitting piece to emit light according to the determined illumination, so as to adjust the brightness value of the object to be acquired in the target viewing area and improve the shooting effect of the object.
Illustratively, when the light emitting parameters are determined according to the display parameters of at least two objects to be acquired, a first display color parameter and a second display color parameter corresponding to the two objects to be acquired respectively can be obtained, and the first display color parameter and the second display color parameter are compared to obtain the RGB difference value of each pixel. And when the RGB difference value is larger than a preset RGB difference value threshold value, determining a view area where the object to be acquired corresponding to the lower RGB value is located as a target view area. And then, determining a corresponding light-emitting piece from the light-emitting component according to the target viewing area, determining the color parameter of the light-emitting piece according to the RGB difference value, controlling the corresponding light-emitting piece to emit light according to the determined color parameter, adjusting the color parameter of the object to be acquired in the target viewing area, and meeting the requirement of the object to compensate the color.
For example, when the light-emitting parameter is determined according to the display parameters of at least two objects to be acquired, a third color temperature value and a fourth color temperature value of a viewing area corresponding to each of the two objects to be acquired may also be obtained, and the third color temperature value and the fourth color temperature value may be obtained based on the determination method of the color temperature value in the foregoing embodiment. And comparing the third color temperature value with the fourth color temperature value to obtain a color temperature difference value. And when the color temperature difference value is larger than a preset color temperature difference value threshold value, determining a view area where the object to be acquired is located corresponding to a lower color temperature value as a target view area. And then, determining a corresponding light-emitting piece from the light-emitting assembly according to the target viewing area, determining a color temperature parameter of the light-emitting piece according to the color temperature difference value, controlling the corresponding light-emitting piece to emit light according to the determined color temperature parameter, and adjusting the color temperature value of the object to be acquired in the target viewing area to meet the requirement of the object to compensate the color temperature.
For example, when the lighting parameters are determined for the display parameters of at least two objects to be collected, the luminance value may be obtained, and at least two of the color parameters or the color temperature parameters are displayed, so as to correspondingly determine two of the color temperature parameters, the color parameters or the illumination parameters, and the lighting element is controlled to emit light according to at least two of the illumination parameters, the color parameters or the color temperature parameters, so as to adjust two of the display parameters of the corresponding objects to be collected. Of course, the brightness value, the display color parameter or the color temperature parameter can also be obtained together, so that the illumination parameter, the color parameter and the color temperature parameter are determined, the corresponding light-emitting element is controlled to emit light according to the light-emitting parameters comprising the three parameters, and the brightness value, the display color parameter and the color temperature value of the corresponding object to be collected are adjusted. For specific implementation, reference may be made to the foregoing embodiments, which are not described herein again.
In some specific applications, when a camera in the camera module may be far away from the light emitting component so as to affect a light supplement effect of the light emitting component, in this case, a light emitting parameter corresponding to the light emitting component needs to be determined at least based on the display parameter and a relative position relationship between the light emitting component and an object to be acquired, and the light emitting component is controlled to supplement light to the target viewing area according to the light emitting parameter. In the embodiment, when the light-emitting parameters are determined, the relative position relationship between the light-emitting assembly and the object to be acquired is considered in combination. The relative position relation implemented by the application is based on a camera, namely, a first distance vector between the light-emitting component and the camera and a first distance vector between the object to be collected and the camera are respectively calculated, a difference value between the first distance vector and the second distance vector is calculated, and the relative position relation between the light-emitting component and the object to be collected is determined according to the difference value. In some specific applications, display parameters of each region of an object to be acquired can be acquired, and light-emitting parameters are determined according to differences of the display parameters and relative position relations, so that the light-emitting element is controlled to supplement light according to the light-emitting parameters, and the phenomenon that the display differences among the regions of the object to be acquired are too large is avoided. In other specific applications, when two or more objects to be acquired are faced, the display parameters of the objects to be acquired are respectively acquired, and then the light-emitting parameters are determined according to the difference of the display parameters and the relative position relationship, so that the light-emitting element is controlled to perform light supplement according to the light-emitting parameters, and the display difference between the objects to be acquired is adjusted.
In some embodiments, the determining the lighting parameter corresponding to the lighting assembly based on at least the display parameter and the relative position relationship between the lighting assembly and the object to be acquired includes: and determining at least one of a color temperature parameter, a color parameter or an illumination parameter of a corresponding luminous element in the luminous assembly based on the display difference of each region of the object to be acquired and the relative position relationship, so that the display difference of each region of the image to be acquired in the target image is within a first threshold range. In this embodiment, the first threshold may be actively input by the user, or the electronic device may determine a suitable value according to the historical input of the user, and the like, and the application is not limited herein. To obtain the display difference of each region of the object to be acquired, the display parameters corresponding to each region, including at least one of the brightness value, the display color parameter or the color temperature parameter, may be obtained first. And then calculating the difference between the display parameters of the areas, when the difference is greater than the corresponding first threshold, determining the area with lower display parameters as a target viewing area according to the difference, and performing light supplement processing on the area. And determining at least one of the color temperature parameter, the color parameter or the illumination parameter according to the difference value, and adjusting the parameter according to the corresponding relation between the relative position relation of the luminous piece and the parameter. And controlling the illuminating part to illuminate according to the determined at least one parameter so as to adjust at least one parameter of the brightness value, the display color parameter and the color temperature value of the corresponding region of the object to be acquired. For specific implementation, reference may be made to the foregoing embodiments, which are not described herein again.
In some embodiments, the determining the lighting parameter corresponding to the lighting assembly based on at least the display parameter and the relative position relationship between the lighting assembly and the object to be acquired includes: and determining at least one of a color temperature parameter, a color parameter or an illumination parameter of a corresponding luminous element in the luminous assembly based on the display parameter difference between the objects to be acquired and the relative position relationship, so that the display parameter difference of each object to be acquired in the target image is within a second threshold range. In this embodiment, the second threshold may be actively input by the user, or the electronic device may determine a suitable value according to the historical input of the user, and the like, which is not limited herein. When the display difference of each object to be acquired is acquired, the display parameters of each object to be acquired, including at least one of the brightness value, the display color parameter or the color temperature parameter, are acquired first. And then calculating a difference value between the display parameters of each object to be acquired, when the difference value is greater than a corresponding second threshold value, determining that the area where the object to be acquired with a lower display parameter is located is a target viewing area according to the difference value, and performing light supplement processing on the object to be acquired. And determining at least one of a color temperature parameter, a color parameter or an illumination parameter according to the display difference value of each object to be collected, and adjusting the parameter according to the corresponding relation between the relative position relation of the luminous piece and the parameter. And controlling the light-emitting piece to emit light according to the determined at least one parameter so as to adjust at least one of the brightness value, the display color parameter and the color temperature value of the corresponding object to be acquired. For specific implementation, reference may be made to the foregoing embodiments, which are not described herein again.
In some embodiments, obtaining a target image corresponding to the viewing range includes: when the light-emitting component is controlled to supplement light for a target viewing area, or after the light-emitting component is controlled to supplement light for the target viewing area, the camera module is controlled to execute shooting operation to obtain the target image; or determining a fill-in light parameter of a target viewing area based on the display parameter, and processing the first image based on the fill-in light parameter to obtain the target image.
The embodiment aims to supplement light to the target view area by controlling the light emitting component, and a target image with a good shooting effect is obtained by directly shooting under the condition of light supplement. Or after the first image of the preview operation or the shooting operation is obtained, the first image is processed according to the fill-in light parameter and then stored, and a target image with good effect is obtained.
In some specific applications, before image acquisition, the light-emitting parameters of the light-emitting assembly are adjusted, and the light-emitting assembly is controlled to emit light so as to supplement light to a target viewing area. And then the camera is controlled to shoot a viewing area, when the display parameters of the object to be collected are not changed, or in the process of shooting a video, the light-emitting component does not need to be controlled frequently, and the control flow is saved.
In some specific applications, when image acquisition is performed, the light-emitting component is controlled to emit light along with the working time of the camera. That is, the light emitting parameters of the light emitting component are set at the moment before the camera starts to work, the light emitting component is controlled to emit light when the camera shoots, the light is supplemented to the target viewing area when the light emitting component emits light, and at the moment, the camera shoots the viewing area. And when the shooting of the camera is finished, controlling the light-emitting piece to stop emitting light. When the display parameters of the object to be collected are changed, the display parameters of the object to be collected under natural light can be directly adjusted, the operation flow of closing the luminous piece is not required to be executed, and the control process is smoother.
In some specific applications, the target image is obtained by directly processing the first image. Specifically, the first image under the preview operation may be obtained by using a preview function of the camera, or the first image may be obtained by directly controlling the camera to perform the shooting operation. And after the display parameters are obtained through the identification of the first image, the light supplement parameters are determined according to the display parameters. The light supplement parameters include a light supplement area to be subjected to light supplement processing and a light supplement numerical value to be adjusted. For example, the brightness value of the object to be acquired may be compared with the brightness value of the standard image, and when the brightness value of the object to be acquired is lower than the brightness value of the standard image, a brightness difference between the two may be obtained. And when the brightness difference exceeds a preset brightness threshold, determining that the brightness value of the part of the target view area needs to be adjusted. At this time, an image portion corresponding to the target viewing area on the first image is used as a light supplement area, and a brightness value to be adjusted is determined according to the brightness difference. And after the fill-in parameters, namely the brightness value and the fill-in area, are determined, the brightness value of the fill-in area is adjusted by adopting the determined brightness value, so that the brightness value of the processed image is consistent with the brightness value of the standard image. And storing the processed image to obtain a target image with good shooting effect.
In some embodiments, the controlling the light emitting assembly to fill a target viewing area with light based on at least the display parameter includes: and obtaining the environmental parameters of the camera module, and controlling the light-emitting component to supplement light to the target viewing area based on the environmental parameters and the display parameters.
The embodiment aims at determining the light-emitting parameters according to the environmental parameters of the camera module and the display parameters of the object to be collected so as to control the light-emitting component to supplement light to the target viewing area by using the light-emitting parameters.
In this embodiment, the light-emitting parameters determined in any of the above embodiments may be used, and the light-emitting parameters are adjusted by combining with corresponding parameters in the environmental parameters, so that the adjusted light-emitting parameters are used to supplement light to the target viewing area. Illustratively, when two or more objects to be acquired are faced, the brightness values of the multiple objects to be acquired are respectively acquired, and the brightness difference value is calculated. And when the brightness difference exceeds a threshold value, supplementing light to a target viewing area where the object to be acquired with low brightness value is located, determining an illumination parameter of the light-emitting piece according to the brightness difference, and adjusting the illumination parameter according to the brightness parameter in the environment parameter, so that the light-emitting piece is controlled to emit light according to the adjusted illumination parameter, and the light supplementing processing is carried out on the target viewing area.
It is considered that the object to be acquired may move back and forth during the image acquisition, changing the positional relationship.
Therefore, in some embodiments, the control method of the embodiments of the present application further includes:
and obtaining the position change information of the object to be acquired, and adjusting the light-emitting parameters of the light-emitting component at least based on the position change information.
The embodiment aims to adjust the parameters of the light-emitting component according to the position change information of the object to be acquired. For example, in the process of long-range shooting, the viewing range of the object to be captured is not changed, but when the azimuth needs to be changed continuously, the position of the object to be captured in the viewing range changes, at this time, the target viewing area needs to be determined again according to the changed position information, and the mode of determining the target viewing area may be a mode of determining the target viewing area in the foregoing embodiment. After the target viewing area is determined, the light emitting member for emitting light needs to be determined again from the light emitting assembly, and the light emitting parameters are re-determined according to the display parameters of the object to be acquired at the changed position. The embodiment of re-determining the light-emitting parameter may refer to the above-mentioned determination method of the light-emitting parameter, and this embodiment is not described herein again. Or when the object to be acquired is changed from a long shot to a short shot, the viewing range of the camera is changed, and the target viewing area is also changed. The target viewing area to be supplemented with light is determined according to the changed viewing range, which can also be implemented according to the determination method of the target viewing area in the foregoing embodiment. And then, the light-emitting piece corresponding to the target viewing area is determined and the light-emitting parameters are determined according to the display parameters, so that the light-emitting parameters can be adjusted in real time according to the position change of the object to be acquired, the flexibility is good, and the user experience is improved.
In some embodiments, the control method of the embodiments of the present application further includes:
determining the operation type executed by the camera module, and adjusting the light-emitting parameters of the light-emitting component and/or determining the time for adjusting the light-emitting parameters of the light-emitting component based on the operation type.
The operation type in this embodiment at least includes taking a picture or taking a video of the object to be captured by using the camera, and when taking a video, the video may be directly generated and stored, or live video may be performed by using the camera. For example, when a user uses the camera module to take a picture, if the user switches to a shooting video, the view range of the camera module changes, the target view area that needs to be supplemented with light changes, and the light-emitting parameters also need to be adjusted based on the display parameters of the switched target view area. In this embodiment, when it is determined that the operation type executed by the camera module is to capture a video, the target viewing area needs to be determined again and the light emitting parameters of the light emitting assembly need to be adjusted.
In this embodiment, after determining the operation performed by the camera module, the user needs to determine the time for adjusting the light-emitting parameters of the light-emitting component.
Illustratively, when the operation type executed by the camera module is determined to be video shooting, before the video shooting, the light-emitting parameters of the light-emitting assembly are adjusted, the newly determined target view area is supplemented with light, and then the camera is controlled to shoot the video.
For example, when it is determined that the operation type executed by the camera module is photographing, the light emitting parameters of the light emitting assembly may be adjusted before the camera starts to work, the light is supplemented to the newly determined target viewing area, and then the camera is controlled to photograph. Of course, the light-emitting component can also be controlled to emit light along with the working time of the camera, and at this time, the light-emitting parameter of the light-emitting component needs to be adjusted before the moment before the camera starts to work, so that the light-emitting component is controlled to emit light when the camera starts to work, and light supplement processing is performed on the target view finding area.
Exemplarily, after the operation type executed by the camera module is determined, the time for adjusting the light-emitting parameters of the light-emitting component can be directly determined, the light-emitting parameters can be adjusted according to the operation type, and the method for adjusting the light-emitting parameters can be realized based on the method for adjusting the light-emitting parameters in any of the foregoing embodiments, so that the parameter adjustment of the light-emitting component can be conveniently realized according to the operation type executed by the camera module, and the user experience can be improved.
Based on the same inventive concept, the present application further provides a control device, and fig. 5 is a block diagram of the control device provided in the embodiment of the present application. As shown in fig. 5, the control device includes: :
an obtaining module 10 configured to obtain display parameters of an object to be acquired within a viewing range when a camera module is used for image acquisition, wherein the camera module comprises a light emitting component;
the light supplementing module 20 is configured to control the light emitting component to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, where the target viewing area is an area where an object to be acquired whose display parameters meet corresponding display conditions in the viewing range is located.
The control device in the embodiment of the present application can implement the control method provided in any embodiment of the present application through the configured functional module of the control device.
The embodiment of the present application further provides an electronic device, which at least includes a memory 901, a processor 902, and a bus (not shown), where a schematic structural diagram of the electronic device may be as shown in fig. 6, the memory 901 stores machine-readable instructions executable by the processor 902, when the electronic device runs, the processor 902 and the memory 901 communicate through the bus, and the machine-readable instructions, when executed by the processor, perform the steps of the control method provided in any embodiment of the present application.
Since the electronic device described in the embodiment of the present application is an electronic device provided with a memory for implementing the control method disclosed in the embodiment of the present application, based on the control method described in the embodiment of the present application, a person skilled in the art can understand the structure and the variation of the electronic device described in the embodiment of the present application, and thus details are not described herein.
The embodiment of the present application further provides a storage medium, where one or more programs are stored, and when the one or more programs are executed by a processor, the steps of the control method provided in any embodiment of the present application are implemented.
The storage medium in the present embodiment may be one contained in an electronic device/system; or may exist alone without being assembled into an electronic device/system. The storage medium stores one or more programs, and when the one or more programs are executed, the steps of the control method provided according to the embodiment of the application are realized.
According to embodiments of the present application, the computer-readable storage medium may be a non-volatile computer-readable storage medium, which may include, for example but is not limited to: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. Optionally, the specific examples in this embodiment may refer to examples described in any embodiment of this application, and this embodiment is not described herein again. It will be apparent to those skilled in the art that the modules or steps of the present application described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present application is not limited to any specific combination of hardware and software.
Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the present application with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above detailed description, various features may be grouped together to streamline the application. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, subject matter of the present application can lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the application should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
The embodiments of the present application have been described in detail, but the present application is not limited to these specific embodiments, and those skilled in the art can make various modifications and modified embodiments based on the concept of the present application, and these modifications and modified embodiments should fall within the scope of the present application.
Claims (10)
1. A control method, comprising:
when a camera module is used for image acquisition, display parameters of an object to be acquired in a view finding range are obtained, wherein the camera module comprises a light-emitting component;
and controlling the light-emitting component to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, wherein the target viewing area is an area where an object to be acquired with display parameters meeting corresponding display conditions in the viewing range is located.
2. The method of claim 1, wherein obtaining display parameters of the object to be captured within the viewing range comprises:
and acquiring a first image corresponding to the view range, and identifying display parameters of at least one object to be acquired in the first image, or identifying display parameters of a view area where the at least one object to be acquired is located in the first image, wherein the first image is obtained by the camera module executing shooting operation or preview operation.
3. The method of claim 1 or 2, wherein the controlling the light emitting assembly to fill a target viewing area based at least on the display parameter comprises:
determining a light-emitting parameter corresponding to the light-emitting component at least based on the display parameter, and controlling the light-emitting component to supplement light to a target viewing area according to the light-emitting parameter; or the like, or, alternatively,
and determining a light-emitting parameter corresponding to the light-emitting component at least based on the display parameter and the relative position relationship between the light-emitting component and the object to be collected, and controlling the light-emitting component to supplement light to the target viewing area according to the light-emitting parameter.
4. The method of claim 3, the determining a lighting parameter corresponding to the lighting component based at least on the display parameter, comprising:
determining a color temperature parameter and/or a color parameter of at least one light-emitting piece in the light-emitting assembly based on the display color parameter of the object to be acquired and the standard color parameter of the object to be acquired; or the like, or, alternatively,
and determining a target view area to be supplemented with light based on the display parameter difference between the objects to be acquired so as to determine at least one of a color temperature parameter, a color parameter or an illumination parameter of a light emitting element corresponding to the target view area in the light emitting assembly.
5. The method of claim 3, wherein the determining the lighting parameters corresponding to the lighting assemblies based on at least the display parameters and the relative position relationship between the lighting assemblies and the object to be acquired comprises:
determining at least one of a color temperature parameter, a color parameter or an illumination parameter of a corresponding luminous element in the luminous assembly based on the display difference and the relative position relation of each area of the object to be acquired, so that the display difference of each area of the image to be acquired in the target image is within a first threshold range; or the like, or, alternatively,
and determining at least one of a color temperature parameter, a color parameter or an illumination parameter of a corresponding luminous element in the luminous assembly based on the display parameter difference between the objects to be acquired and the relative position relationship, so that the display parameter difference of each object to be acquired in the target image is within a second threshold range.
6. The method of claim 2, wherein obtaining a target image corresponding to the viewing range comprises:
when the light-emitting component is controlled to supplement light for a target viewing area, or after the light-emitting component is controlled to supplement light for the target viewing area, the camera module is controlled to execute shooting operation to obtain the target image; or the like, or, alternatively,
and determining a light supplement parameter of a target view area based on the display parameter, and processing the first image based on the light supplement parameter to obtain the target image.
7. The method of claim 3, wherein the controlling the light emitting assembly to fill a target viewing area based at least on the display parameter comprises:
and obtaining the environmental parameters of the camera module, and controlling the light-emitting component to supplement light to the target viewing area based on the environmental parameters and the display parameters.
8. The method of claim 3, further comprising:
and obtaining the position change information of the object to be acquired, and adjusting the light-emitting parameters of the light-emitting component at least based on the position change information.
9. The method of claim 7 or 8, further comprising:
determining the operation type executed by the camera module, and adjusting the light-emitting parameters of the light-emitting component and/or determining the time for adjusting the light-emitting parameters of the light-emitting component based on the operation type.
10. A control device, comprising:
the acquisition module is configured to acquire display parameters of an object to be acquired in a view finding range when a camera module is used for image acquisition, and the camera module comprises a light-emitting component;
and the light supplementing module is configured to control the light emitting assembly to supplement light to a target viewing area at least based on the display parameters so as to obtain a target image corresponding to the viewing range, wherein the target viewing area is an area where an object to be acquired with display parameters meeting corresponding display conditions in the viewing range is located.
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