CN110771147A - Method for adjusting parameters of shooting device, control equipment and shooting system - Google Patents
Method for adjusting parameters of shooting device, control equipment and shooting system Download PDFInfo
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- CN110771147A CN110771147A CN201880040862.3A CN201880040862A CN110771147A CN 110771147 A CN110771147 A CN 110771147A CN 201880040862 A CN201880040862 A CN 201880040862A CN 110771147 A CN110771147 A CN 110771147A
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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
- H04N23/67—Focus control based on electronic image sensor signals
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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
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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
- H04N23/62—Control of parameters via user interfaces
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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
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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
- H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
- H04N23/635—Region indicators; Field of view indicators
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Abstract
The invention provides a method for adjusting parameters of a shooting device, control equipment and a shooting system, wherein the method comprises the following steps: firstly, acquiring a clicking operation of a user on an operation screen; displaying a light measuring and/or focusing area on an operation screen according to the clicking operation of the user; and then acquiring the size of the light metering and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light metering and/or focusing area. According to the method for adjusting the parameters of the shooting device, the control equipment and the shooting system, provided by the embodiment of the invention, a user can perform focusing operation and/or photometry operation on the shooting device according to requirements, so that the shooting effect is improved.
Description
Technical Field
The invention relates to the technical field of shooting devices, in particular to a method for adjusting parameters of a shooting device, control equipment and a shooting system.
Background
A camera (e.g., a camera) has become an indispensable part of people's life, and it can help users record every segment of life in the form of photos or videos, so that users can recall the current situation by viewing the photos or videos.
In general, before photographing, a user performs setting operations on some parameters of the photographing apparatus, such as a focusing operation and/or a photometry operation, but for the photographing apparatus with a small screen or no screen at all (panoramic photographing apparatus), focusing to infinity and global averaging is generally directly designed, and therefore, the user cannot perform the focusing operation and/or the photometry operation on the photographing apparatus, so that the photographing effect is poor.
Disclosure of Invention
The invention provides a method for adjusting parameters of a shooting device, control equipment and a shooting system, so that a user can perform focusing operation and/or photometry operation on the shooting device according to requirements, and the shooting effect is improved.
In a first aspect, an embodiment of the present invention provides a method for adjusting parameters of a camera, where the method for adjusting parameters of a camera may include:
acquiring a click operation of a user on an operation screen;
displaying a light measuring and/or focusing area on the operation screen according to the clicking operation of the user;
and acquiring the size of the light measuring and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light measuring and/or focusing area.
In a second aspect, an embodiment of the present invention further provides a control device, where the control device includes an operation screen and a processor, and the processor is configured to obtain a click operation of a user on the operation screen;
the processor is further used for displaying a light measuring and/or focusing area on the operation screen according to the clicking operation of the user;
the processor is further configured to acquire the size of the light measurement and/or focusing area through the operation screen, and adjust the shooting parameters of the shooting device according to the adjusted size of the light measurement and/or focusing area.
In a third aspect, an embodiment of the present invention further provides a shooting system, where the shooting system includes an operation screen, a processor, and a shooting device, and the processor is configured to execute the method for adjusting parameters of the shooting device according to any one of the first aspect.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for adjusting parameters of a camera according to any one of the first aspect is performed.
According to the method for adjusting parameters of the shooting device, the control equipment and the shooting system, the clicking operation of a user on the operation screen is acquired; displaying a light measuring and/or focusing area on an operation screen according to the clicking operation of the user; and then acquiring the size of the light metering and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light metering and/or focusing area. Compared with the shooting device with a smaller screen or no screen in the prior art, the shooting device can not adjust the photometric parameters and/or the focusing parameters of the shooting device, the shooting device can adjust the shooting parameters of the shooting device according to the adjusted photometric and/or focusing areas by adjusting the size of the photometric and/or focusing areas displayed on the operation screen, so that a user can perform focusing operation and/or photometric operation on the shooting device according to requirements, and the shooting effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an application scenario provided in an embodiment of the present invention;
fig. 2 is a schematic flowchart of a method for adjusting parameters of a camera according to an embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating a process of adjusting a focusing parameter of a photographing device according to an embodiment of the present invention;
fig. 4 is a schematic flow chart illustrating adjustment of photometric parameters of a camera according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention, and the features in the following embodiments and implementations can be combined with each other without conflict.
The method for adjusting parameters of a camera according to an embodiment of the present invention may be applied to a camera system, for example, please refer to fig. 1, where fig. 1 is a schematic diagram of an application scenario provided in an embodiment of the present invention, and when adjusting the shooting parameters of the camera, the camera may adjust the shooting parameters of the camera through the camera system, optionally, the camera may include a control device and the camera, where the control device may communicate with the camera in front of the camera and control the adjustment of the shooting parameters of the camera through an operation screen thereof; of course, the shooting system may only include a shooting device, and the adjustment of the shooting parameters of the shooting device is controlled through an operation screen of the shooting device. Illustratively, the camera may be a camera. When the shooting parameters are photometric parameters and/or focusing parameters, the click operation of a user on an operation screen can be acquired firstly; displaying a light measuring and/or focusing area on an operation screen according to the clicking operation of the user; and then acquiring the size of the light metering and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light metering and/or focusing area. Therefore, compared with the shooting device with a small screen or no screen in the prior art, which cannot adjust the photometric parameter and/or the focusing parameter of the shooting device, the method for adjusting the parameter of the shooting device provided by the embodiment of the invention can adjust the size of the photometric and/or focusing area displayed on the operation screen, and adjust the shooting parameter of the shooting device according to the adjusted photometric and/or focusing area, so that a user can perform focusing and/or photometric operations on the shooting device according to requirements, thereby improving the shooting effect.
It should be noted that the method for adjusting parameters of a camera according to the embodiment of the present invention is also used to adjust related parameters such as a Zoom parameter, a Zoom in/out parameter, a white balance parameter, a color parameter, and a tracking parameter.
The following describes the technical solution of the present invention and how to solve the above technical problems with specific examples. The following specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a schematic flow chart of a method for adjusting parameters of a camera according to an embodiment of the present invention, for example, please refer to fig. 2, where the method for adjusting parameters of a camera may include:
s201, acquiring the click operation of the user on the operation screen.
Optionally, the display area of the operation screen is less than or equal to 640 x 640 pixels. For example, in the embodiment of the present invention, the size of the operation screen may be 240 × 240 pixels, and of course, the embodiment of the present invention is only described by taking the size of the operation screen as 240 × 240 pixels, but the embodiment of the present invention is not limited thereto.
It should be noted that, when the shooting system includes the control device and the shooting device, and the control device controls the adjustment of the shooting parameters of the shooting device, the operation screen in the embodiment of the present invention may be an operation screen of the control device, for example, the control device may be a handheld cradle head, and correspondingly, the operation screen is an operation screen of the handheld cradle head. When the shooting system only includes a shooting device, the operation screen in the embodiment of the present invention may be an operation screen of the shooting device, and for example, the shooting device may be a camera, and the operation screen is an operation screen of the camera.
After acquiring the click operation of the user on the operation screen, S202 described below may be performed to display the light measurement and/or focus area on the operation screen according to the click operation of the user.
S202, displaying a light measuring and/or focusing area on an operation screen according to the clicking operation of the user.
For example, the click operation of the user on the operation screen may be a click operation of a finger of the user on the operation screen, or a click operation of the user on the operation screen through a tool such as a stylus, and here, the embodiment of the present invention is described by taking the two possible implementation manners as examples, but the embodiment of the present invention is not limited thereto.
When the photometric area and/or the focusing area are displayed on the operation screen according to the click operation of the user, if the click operation of the user on the operation screen is the click operation of the finger of the user on the operation screen, the size of the photometric area and/or the focusing area is determined according to the contact area of the click operation of the user. For example, when the size of the light measuring and/or focusing region is determined according to the contact area of the user click operation, when the user is a male user, the size of the light measuring and/or focusing region may be 70 × 70 pixels; when the user is a female user, the light metering and/or focusing area may be 50 × 50 pixels in size. If the user performs a click operation on the operation screen by using a tool such as a stylus, the size of the photometric area and/or the focusing area may be set by a predetermined system according to the user's observation comfort level.
In addition, when the light metering and/or focusing area is displayed on the operation screen, the light metering and/or focusing area may be rectangular, circular or elliptical, of course, the light metering and/or focusing area may also be in other shapes, and in general, the light metering and/or focusing area is rectangular, and here, the shape of the light metering and/or focusing area may be specifically set according to actual needs.
It should be noted that, in the embodiment of the present invention, the metering and/or focusing area includes a metering area and a focusing area, and the metering area and the focusing area are overlapped. In other words, although the metering and/or focusing area has only one area, the area may be used to indicate a metering area or a focusing area.
After the metering and/or focusing area is displayed on the operation screen according to the clicking operation of the user, S203 described below may be performed to acquire the size of the metering and/or focusing area, and adjust the shooting parameters of the shooting device according to the adjusted metering and/or focusing area size.
S203, acquiring the size of the light metering and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light metering and/or focusing area.
After the size of the light measuring and/or focusing area is determined according to the manner of the contact area clicked by the user in the step S202, or the size of the light measuring and/or focusing area is determined according to the manner preset by the system, the shooting parameters of the shooting device can be adjusted according to the adjusted size of the light measuring and/or focusing area, so that the shooting parameters can be adjusted. Compared with the shooting device with a smaller screen or no screen in the prior art, the shooting device can not adjust the photometric parameters and/or the focusing parameters of the shooting device, the shooting device can adjust the shooting parameters of the shooting device according to the adjusted photometric and/or focusing areas by adjusting the size of the photometric and/or focusing areas displayed on the operation screen, so that a user can perform focusing operation and/or photometric operation on the shooting device according to requirements, and the shooting effect is improved.
It should be noted that, in the embodiment of the present invention, when the shooting parameters of the shooting device are adjusted according to the adjusted size of the metering and/or focusing area, the size of the metering and/or focusing area displayed on the operation screen is kept unchanged, only after the metering and/or focusing area is acquired, during the processing, the size of the metering and/or focusing area is adjusted, and the shooting parameters of the shooting device are adjusted by acquiring the metering and/or focusing parameters corresponding to the metering and/or focusing area corresponding to the adjusted size of the metering and/or focusing area.
According to the method for adjusting the parameters of the shooting device, provided by the embodiment of the invention, the clicking operation of a user on an operation screen is acquired; displaying a light measuring and/or focusing area on an operation screen according to the clicking operation of the user; and then acquiring the size of the light metering and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light metering and/or focusing area. Compared with the shooting device with a smaller screen or no screen in the prior art, the shooting device can not adjust the photometric parameters and/or the focusing parameters of the shooting device, the shooting device can adjust the shooting parameters of the shooting device according to the adjusted photometric and/or focusing areas by adjusting the size of the photometric and/or focusing areas displayed on the operation screen, so that a user can perform focusing operation and/or photometric operation on the shooting device according to requirements, and the shooting effect is improved.
In the above embodiment shown in fig. 2, when the shooting parameters of the shooting device are adjusted according to the size of the adjusted metering and/or focusing area, the metering and/or focusing area may include a focusing area or a metering area, and correspondingly, the adjusted shooting parameters may be the focusing parameters or the metering parameters. Next, how to adjust two shooting parameters will be described in detail through the embodiments shown in fig. 3 and fig. 4, where fig. 3 is a schematic flowchart of a process for adjusting a focus parameter of a shooting device according to an embodiment of the present invention, and fig. 4 is a schematic flowchart of a process for adjusting a photometric parameter of a shooting device according to an embodiment of the present invention.
Based on the embodiment of fig. 2, when the light-measuring and/or focusing area includes a focusing area and the corresponding shooting parameter is a focusing parameter, for example, please refer to fig. 3, the method for adjusting the focusing parameter of the shooting device may include:
s301, acquiring the click operation of the user on the operation screen.
It should also be noted that, when the shooting system includes the control device and the shooting device, and the control device controls the adjustment of the shooting parameters of the shooting device, the operation screen in the embodiment of the present invention may be an operation screen of the control device, for example, the control device may be a handheld cradle head, and correspondingly, the operation screen is an operation screen of the handheld cradle head. When the shooting system only includes a shooting device, the operation screen in the embodiment of the present invention may be an operation screen of the shooting device, and for example, the shooting device may be a camera, and the operation screen is an operation screen of the camera.
After acquiring the click operation of the user on the operation screen, S302 described below may be performed to display a focus area on the operation screen according to the click operation of the user.
And S302, displaying a focusing area on the operation screen according to the clicking operation of the user.
When the focusing area is displayed on the operation screen according to the click operation of the user, if the click operation of the user on the operation screen is a click operation of a finger of the user on the operation screen, the size of the focusing area is determined according to the contact area of the click operation of the user. For example, when the size of the focusing region is determined according to the contact area of the user click operation, when the user is a male user, the size of the focusing region may be 70 × 70 pixels; when the user is a female user, the size of the in-focus area may be 50 × 50 pixels. If the user performs a click operation on the operation screen through a tool such as a stylus, the size of the focusing area may be set by a predetermined system.
When a focusing area is displayed on the operation screen, the focusing area may be rectangular, circular or elliptical, or may be in other shapes, and in general, the focusing area is rectangular, and the shape of the focusing area may be specifically set according to actual needs.
After the focusing area is displayed on the operation screen according to the clicking operation of the user, S303 described below may be executed to acquire the size of the focusing area, and the focusing area is reduced to obtain the focusing parameter corresponding to the reduced focusing area, so as to implement adjustment of the focusing parameter of the photographing device.
And S303, acquiring the size of the focusing area, and reducing the focusing area to obtain the focusing parameter corresponding to the reduced focusing area so as to adjust the focusing parameter of the shooting device.
After the size of the focusing region is determined according to the manner of the contact area clicked by the user in S302, or the size of the focusing region is determined according to the manner preset by the system, the focusing region may be reduced, and the focusing parameter corresponding to the reduced focusing region is the adjusted focusing parameter, so as to adjust the focusing parameter. Compared with the shooting device with a smaller screen or no screen in the prior art, the method has the advantages that the focusing parameters of the shooting device cannot be adjusted, the focusing area can be reduced, so that the focusing parameters corresponding to the reduced focusing area can be obtained, a user can perform focusing operation on the shooting device according to requirements, and the shooting effect is improved.
Optionally, in the embodiment of the present invention, when the focus area is reduced to obtain the focus parameter corresponding to the reduced focus area, so as to adjust the focus parameter of the shooting device, the adjustment may be implemented in at least two possible ways:
in one possible implementation, the reduction ratio of the focusing area may be determined according to the size of the operation screen; and reducing the focusing area according to the reduction ratio to obtain the focusing parameter corresponding to the reduced focusing area so as to realize the adjustment of the focusing parameter of the shooting device.
In order to realize the adjustment of the focusing parameters and improve the shooting effect of the shooting device, in the possible implementation manner, when the focusing area is reduced, the reduction ratio of the focusing area can be determined according to the size of the operation screen, and focusing is performed according to the image corresponding to the reduced focusing area, so that the adjustment of the focusing parameters of the shooting device is realized, and thus, a user can perform focusing operation on the shooting device according to requirements, and the shooting effect of the shooting device is improved.
In another possible implementation, the target object may be obtained first; determining the reduction ratio of the focusing area according to the size of the target object in the focusing area; and then, reducing the focusing area according to the reduction ratio to obtain the focusing parameter corresponding to the reduced focusing area so as to realize the adjustment of the focusing parameter of the shooting device.
And the area occupied by the target object in the reduced focusing area is greater than or equal to a first threshold value. In the embodiment of the present invention, the first threshold may be set according to actual needs, and the specific number of the first threshold is here, which is not further limited in the embodiment of the present invention.
Similarly, in order to adjust the focusing area and improve the shooting effect of the shooting device, in this possible implementation manner, when the focusing area is reduced, please refer to fig. 1, when the shot image includes the target object, the target object may be obtained first, and the reduction ratio of the focusing area may be determined according to the size of the target object in the focusing area; when the focusing area is reduced according to the reduction ratio, not reducing a point, but the area occupied by the reduced target object in the reduced focusing area must be greater than or equal to the first threshold, and certainly, not the reduced target object must be in the reduced focusing area, after the reduction ratio is determined, the focusing area can be reduced according to the reduction ratio to obtain the focusing parameter corresponding to the reduced focusing area, which is the focusing parameter adjusted by the shooting device, compared with the shooting device with a small screen or no screen at all in the prior art, the focusing parameter of the shooting device can not be adjusted, so that the user can perform the focusing operation on the shooting device according to the requirement, thereby improving the photographing effect.
For example, taking the size of the obtained focusing area as 70 × 70 pixels as an example, when the distance between the target object zhangsan and the screen of the shooting device is greater than or equal to 3 meters and less than or equal to 5 meters, the focusing area on the screen of the shooting device is larger than zhangsan in the screen, and if the focusing operation is performed at this time, the focusing accuracy is not high, so that the shooting effect after focusing is not good, therefore, the zoom ratio of the focusing area may be determined according to the size of zhangsan in the focusing area, when the focusing area is zoomed according to the zoom ratio, the area occupied by zhangsan in the zoomed focusing area must be greater than or equal to the first threshold, and certainly, the zoom ratio is not unlimited and zhangsan must be in the zoomed area, and after the zoom ratio is determined, the focusing area may be zoomed according to the zoom ratio, the focusing parameters corresponding to the pixels 40 × 40 of the reduced focusing area are obtained, and the focusing parameters corresponding to the pixels 40 × 40 of the reduced focusing area are the adjusted focusing parameters of the shooting device, so that compared with the shooting device with a small screen or no screen in the prior art, which cannot adjust the focusing parameters of the shooting device, the adjustment of the focusing parameters of the shooting device is realized, and thus, a user can perform focusing operation on the shooting device according to requirements, and the shooting effect is improved.
Here, when the zoom-out process is performed on the focus area to obtain the focus parameter corresponding to the zoomed-out focus area, so as to adjust the focus parameter of the shooting device, the embodiment of the present invention is described by taking the above two possible implementation manners as examples, but the embodiment of the present invention is not limited thereto.
In addition, in the embodiment of the present invention, when the shooting parameters of the shooting device are adjusted according to the adjusted size of the focusing area, the size of the focusing area displayed on the operation screen is kept unchanged, and the shooting parameters of the shooting device are adjusted only by acquiring the focusing parameters corresponding to the focusing area corresponding to the adjusted size of the focusing area.
The above-described embodiment shown in fig. 3 describes in detail how to adjust the focus parameter of the photographing apparatus, and below, how to adjust the photometric parameter of the photographing apparatus will be described in detail by the following embodiment shown in fig. 4. Based on the embodiment of fig. 2, when the photometric area and/or the focus area includes a photometric area and the corresponding shooting parameter is a photometric parameter, for example, please refer to fig. 4, the method for adjusting the photometric parameter of the shooting device may include:
s401, acquiring the clicking operation of the user on the operation screen.
It should also be noted that, when the shooting system includes the control device and the shooting device, and the control device controls the adjustment of the shooting parameters of the shooting device, the operation screen in the embodiment of the present invention may be an operation screen of the control device, for example, the control device may be a handheld cradle head, and correspondingly, the operation screen is an operation screen of the handheld cradle head. When the shooting system only includes a shooting device, the operation screen in the embodiment of the present invention may be an operation screen of the shooting device, and for example, the shooting device may be a camera, and the operation screen is an operation screen of the camera.
After acquiring the click operation of the user on the operation screen, S402 described below may be executed to display the photometric area on the operation screen according to the click operation of the user.
And S402, displaying the photometric area on the operation screen according to the clicking operation of the user.
When the photometric area is displayed on the operation screen in response to the user's click operation, if the user's click operation on the operation screen is a click operation of the user's finger on the operation screen, the photometric area is sized according to the contact area of the user's click operation. For example, when the size of the photometric area is determined according to the contact area of the user click operation, when the user is a male user, the size of the photometric area may be 70 × 70 pixels; when the user is a female user, the photometric area may be 50 x 50 pixels in size. If the user performs a click operation on the operation screen by using a tool such as a stylus, the size of the photometric area may be set by a predetermined system.
When the light metering region is displayed on the operation screen, the light metering region may be rectangular, circular or elliptical, or may have other shapes.
After the metering area is displayed on the operation screen according to the clicking operation of the user, S403 described below may be executed to acquire the size of the metering area, and perform an enlarging process on the metering area to obtain a metering parameter corresponding to the enlarged metering area, so as to implement adjustment of the metering parameter of the photographing device.
And S403, acquiring the size of the photometric area, and amplifying the photometric area to obtain photometric parameters corresponding to the amplified photometric area, so as to adjust the photometric parameters of the shooting device.
After the size of the photometric area is determined according to the manner of the contact area of the user click operation in S402, or the size of the photometric area is determined according to the manner preset by the system, the photometric area may be amplified, and the photometric parameter corresponding to the amplified photometric area is the adjusted photometric parameter, so that the adjustment of the measurement parameter is realized. Compared with a shooting device with a smaller screen or no screen in the prior art, the shooting device cannot adjust photometric parameters of the shooting device, the photometric parameters corresponding to the reduced photometric areas can be obtained by reducing the photometric areas, so that a user can perform photometric operation on the shooting device according to requirements, and the shooting effect is improved.
Optionally, in the embodiment of the present invention, when the photometric area is amplified to obtain the photometric parameter corresponding to the amplified photometric area, so as to adjust the photometric parameter of the photographing device, the method may also be implemented in at least two possible manners:
in one possible implementation mode, the magnification ratio of the photometric area is determined according to the size of the operation screen; and amplifying the photometric area according to the amplification ratio to obtain the photometric parameters corresponding to the amplified photometric area, so as to realize the adjustment of the photometric parameters of the shooting device.
In order to realize adjustment of the photometric parameter and thus improve the shooting effect of the shooting device, in this possible implementation manner, when the photometric area is enlarged, the enlargement ratio of the photometric area can be determined according to the size of the operation screen, and photometry is performed according to the image corresponding to the enlarged photometric area, so that adjustment of the photometric parameter of the shooting device is realized, and thus a user can perform photometric operation on the shooting device as required, thereby improving the shooting effect of the shooting device.
In another possible implementation, a target object is obtained; determining the amplification ratio of the photometric area according to the brightness of the target object in the photometric area; and amplifying the photometric area according to the amplification ratio to obtain the photometric parameters corresponding to the amplified photometric area, so as to realize the adjustment of the photometric parameters of the shooting device.
When the position of the target object in the amplified photometric area changes, the change amount of the photometric parameter of the target object is smaller than a second threshold value. In the embodiment of the present invention, the second threshold may be set according to actual needs, and the specific number of the second threshold is here, which is not further limited in the embodiment of the present invention.
Similarly, in order to implement adjustment of the photometric area and thus improve the shooting effect of the shooting device, in this possible implementation manner, when the photometric area is enlarged, please refer to fig. 1, when a target object is included in a shot image, the target object may be obtained first, and the enlargement ratio of the photometric area may be determined according to the change amount of the photometric parameter of the target object when the position of the target object in the enlarged photometric area changes; when the photometric area is enlarged according to the enlargement ratio, instead of enlarging a point, when the position of the target object in the enlarged photometric area changes, the change amount of the photometric parameter of the target object is smaller than the second threshold value, when the enlarged photometric area and the operation screen are equal in size, the photometric effect is the best, after the enlargement ratio is determined, the photometric area can be enlarged according to the enlargement ratio to obtain the photometric parameter corresponding to the enlarged photometric area, which is the photometric parameter adjusted by the photographing device, compared with the prior art in which the photometric parameter of the photographing device cannot be adjusted for a photographing device with a small screen or no screen at all, the adjustment of the photometric parameter of the photographing device is realized, so that the user can perform the photometric operation on the photographing device according to the needs, thereby improving the photographing effect.
For example, taking the size of the acquired photometric area as 70 × 70 pixels as an example, when the distance between the target object zhangsan and the screen of the photographing device is greater than or equal to 3 meters and less than or equal to 5 meters, the photometric area of 70 × 70 pixels is relatively small, and if continuous photometry causes the photometric area to become small, the brightness of the image of zhangsan will be different when the photographing device shakes, and the photographing effect after photometry will be poor, therefore, the magnification ratio of the photometric area can be determined according to the variation of the photometric parameter when the position of zhangsan in the photometric area is changed, when the photometric area is magnified according to the magnification ratio, instead of being magnified a little, the variation of the photometric parameter of zhangsan in the magnified photometric area is smaller than the second threshold, and when the magnified photometric area is equal to the size of the operation screen, the photometry effect is best, after the magnification ratio is determined, the photometry area can be magnified according to the magnification ratio to obtain the photometry parameters corresponding to the pixels 100 × 100 of the magnified photometry area, and the photometry parameters corresponding to the pixels 100 × 100 of the magnified photometry area are the adjusted photometry parameters of the shooting device.
Here, when the photometric parameter corresponding to the enlarged photometric area is obtained by performing the enlargement processing on the photometric area to adjust the photometric parameter of the imaging device, the embodiment of the present invention is only described by taking the above two possible implementation manners as examples, but the embodiment of the present invention is not limited thereto.
It should be noted that, in the embodiment of the present invention, when the shooting parameters of the shooting device are adjusted according to the size of the adjusted metering area, the metering area size displayed on the operation screen is kept unchanged, and the shooting parameters of the shooting device are adjusted by acquiring the metering parameters corresponding to the metering area corresponding to the adjusted size of the metering area.
Fig. 5 is a schematic structural diagram of a control device 50 according to an embodiment of the present invention, for example, please refer to fig. 5, where the control device 50 may include an operation screen 501 and a processor 502, and the processor 502 is configured to obtain a click operation of a user on the operation screen 501.
The processor 502 is further configured to display a light measurement and/or focusing area on the operation screen 501 according to a click operation of the user.
The processor 502 is further configured to obtain the size of the metering and/or focusing area through the operation screen 501, and adjust the shooting parameters of the shooting device according to the adjusted metering and/or focusing area size.
Optionally, the processor 502 is further configured to receive a click operation of a user on the operation screen 501, and the size of the light-measuring and/or focusing area is determined according to a contact area of the click operation of the user.
Optionally, when the shooting parameter of the shooting device is a focusing parameter, the photometry and/or focusing area includes a focusing area, and the processor 502 is specifically configured to perform reduction processing on the focusing area through the operation screen 501 to obtain a focusing parameter corresponding to the reduced focusing area, so as to implement adjustment of the focusing parameter of the shooting device.
Optionally, the processor 502 is specifically configured to determine a reduction ratio of the focusing area according to the size of the operation screen; and on the operation screen 501, the focus area is reduced according to the reduction ratio to obtain the focus parameter corresponding to the reduced focus area, so as to adjust the focus parameter of the shooting device.
Optionally, the processor 502 is specifically configured to obtain the target object through the operation screen 501; determining the reduction ratio of the focusing area according to the size of the target object in the focusing area; and on the operation screen 501, the zoom-out processing is performed on the focus area according to the zoom-out ratio to obtain the focus parameter corresponding to the zoom-out focus area, so as to adjust the focus parameter of the shooting device, wherein the area occupied by the target object in the zoom-out focus area is greater than or equal to the first threshold.
Optionally, when the shooting parameters of the shooting device are photometric parameters, the photometric area and/or the focusing area includes a photometric area, and the processor 502 is specifically configured to perform amplification processing on the photometric area through the operation screen 501 to obtain the photometric parameters corresponding to the amplified photometric area, so as to adjust the photometric parameters of the shooting device.
Optionally, the processor 502 is specifically configured to determine an amplification ratio of the photometric area according to the size of the operation screen; and on the operation screen 501, the photometric area is enlarged according to the enlargement ratio to obtain the photometric parameters corresponding to the enlarged photometric area, so as to adjust the photometric parameters of the photographing device.
Optionally, the processor 502 is specifically configured to obtain the target object through the operation screen 501; determining the amplification ratio of the photometric area according to the brightness of the target object in the photometric area; and on the operation screen 501, the photometric area is enlarged according to the enlargement ratio to obtain the photometric parameter corresponding to the enlarged photometric area, so as to adjust the photometric parameter of the photographing device, wherein when the position of the target object in the enlarged photometric area changes, the change amount of the photometric parameter of the target object is smaller than the second threshold value.
Optionally, the light measuring and/or focusing area is rectangular, circular or elliptical.
Optionally, the light measuring and/or focusing area comprises a light measuring area and a focusing area, and the two areas coincide.
Optionally, the processor 502 is specifically configured to keep the size of the photometry and/or focusing area displayed on the operation screen unchanged; and acquiring the photometry and/or focusing parameters corresponding to the adjusted photometry and/or focusing area, and adjusting the shooting parameters of the shooting device.
Optionally, the display area of the operation screen is smaller than 640 x 640 pixels.
The control device 50 shown in the embodiment of the present invention may implement the technical solution of the method for adjusting parameters of a shooting device shown in any one of the above embodiments, and the implementation principle and the beneficial effects are similar, which are not described herein again.
The embodiment of the present invention further provides a schematic structural diagram of a shooting system, where the shooting system may include an operation screen, a processor, and a shooting device, and the processor is configured to execute the method for adjusting parameters of the shooting device shown in any of the above embodiments.
Optionally, the shooting system includes a control device, the control device is in communication connection with the shooting device, and the control device includes an operation screen and a processor.
Optionally, the operation screen, the processor and the shooting device in the shooting system are integrated into one camera.
Optionally, the shooting system is a handheld pan-tilt, and the shooting device is a camera of the handheld pan-tilt.
The shooting system according to the embodiment of the present invention can implement the technical solution of the method for adjusting parameters of a shooting device according to any one of the embodiments, and the implementation principle and the beneficial effects are similar, and are not described herein again.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for adjusting parameters of a shooting device according to any of the embodiments is performed, and the implementation principle and the beneficial effects of the method are similar, and are not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (29)
1. A method for adjusting parameters of a shooting device is characterized by comprising the following steps:
acquiring a click operation of a user on an operation screen;
displaying a light measuring and/or focusing area on the operation screen according to the clicking operation of the user;
and acquiring the size of the light measuring and/or focusing area, and adjusting the shooting parameters of the shooting device according to the adjusted size of the light measuring and/or focusing area.
2. The method of claim 1,
and receiving the clicking operation of the user on the operation screen, wherein the size of the light measuring and/or focusing area is determined according to the contact area of the clicking operation of the user.
3. The method according to claim 1, wherein when the shooting parameters of the shooting device are focus parameters, the adjusting the shooting parameters of the shooting device according to the adjusted size of the light measurement and/or focus area comprises:
the light measuring and/or focusing area comprises a focusing area, and the focusing area is reduced to obtain focusing parameters corresponding to the reduced focusing area so as to realize the adjustment of the focusing parameters of the shooting device.
4. The method according to claim 3, wherein the reducing the focusing area to obtain a focusing parameter corresponding to the reduced focusing area to adjust the focusing parameter of the photographing device comprises:
determining the reduction ratio of the focusing area according to the size of the operation screen;
and reducing the focusing area according to the reduction ratio to obtain a focusing parameter corresponding to the reduced focusing area so as to realize the adjustment of the focusing parameter of the shooting device.
5. The method according to claim 3, wherein the reducing the focusing area to obtain a focusing parameter corresponding to the reduced focusing area to adjust the focusing parameter of the photographing device comprises:
acquiring a target object;
determining the reduction scale of the focusing area according to the size of the target object in the focusing area;
and reducing the focusing area according to the reduction ratio to obtain a focusing parameter corresponding to the reduced focusing area so as to realize the adjustment of the focusing parameter of the shooting device, wherein the area occupied by the target object in the reduced focusing area is greater than or equal to a first threshold value.
6. The method according to claim 2, wherein when the shooting parameters of the shooting device are photometric parameters, the adjusting the shooting parameters of the shooting device according to the adjusted photometric and/or focusing area size comprises:
the light metering and/or focusing area comprises a light metering area, the light metering area is amplified to obtain light metering parameters corresponding to the amplified light metering area, and therefore adjustment of the light metering parameters of the shooting device is achieved.
7. The method according to claim 6, wherein the enlarging the photometric area to obtain a photometric parameter corresponding to the enlarged photometric area to achieve adjustment of the photometric parameter of the photographing device comprises:
determining the amplification ratio of the photometric area according to the size of the operation screen;
and amplifying the photometric area according to the amplification ratio to obtain photometric parameters corresponding to the amplified photometric area, so as to adjust the photometric parameters of the shooting device.
8. The method according to claim 6, wherein the enlarging the photometric area to obtain a photometric parameter corresponding to the enlarged photometric area to achieve adjustment of the photometric parameter of the photographing device comprises:
acquiring a target object;
determining the amplification ratio of the photometric area according to the brightness of the target object in the photometric area;
and amplifying the photometric area according to the amplification ratio to obtain a photometric parameter corresponding to the amplified photometric area, so as to adjust the photometric parameter of the photographing device, wherein when the position of the target object in the amplified photometric area changes, the change amount of the photometric parameter of the target object is smaller than a second threshold value.
9. The method according to any one of claims 1 to 8,
the light measuring and/or focusing area is rectangular, circular or elliptical.
10. The method of claim 1,
the light measuring and/or focusing area comprises a light measuring area and a focusing area, and the light measuring area and the focusing area are overlapped.
11. The method of claim 1, wherein the adjusting the camera parameters according to the adjusted size of the photometric and/or in-focus area comprises:
keeping the size of the photometry and/or focusing area displayed on the operation screen unchanged;
and acquiring the photometry and/or focusing parameters corresponding to the adjusted photometry and/or focusing area, and adjusting the shooting parameters of the shooting device.
12. The method of claim 1,
the display area of the operation screen is less than or equal to 640 x 640 pixels.
13. A control device comprises an operation screen and a processor, wherein the processor is used for acquiring clicking operation of a user on the operation screen;
the processor is further used for displaying a light measuring and/or focusing area on the operation screen according to the clicking operation of the user;
the processor is further configured to acquire the size of the light measurement and/or focusing area through the operation screen, and adjust the shooting parameters of the shooting device according to the adjusted size of the light measurement and/or focusing area.
14. The apparatus of claim 13,
the processor is further configured to receive a click operation of the user on the operation screen, and the size of the light measurement and/or focusing area is determined according to a contact area of the click operation of the user.
15. The apparatus according to claim 13, wherein when the shooting parameter of the shooting device is a focusing parameter, the light measurement and/or focusing area includes a focusing area, and the processor is specifically configured to perform a reduction process on the focusing area through the operation screen to obtain a focusing parameter corresponding to the reduced focusing area, so as to implement adjustment of the focusing parameter of the shooting device.
16. The apparatus of claim 15,
the processor is specifically configured to determine a reduction ratio of the focusing area according to the size of the operation screen; and on the operation screen, carrying out reduction processing on the focusing area according to the reduction ratio to obtain a focusing parameter corresponding to the reduced focusing area so as to realize the adjustment of the focusing parameter of the shooting device.
17. The apparatus of claim 15,
the processor is specifically configured to acquire a target object through the operation screen; determining the reduction scale of the focusing area according to the size of the target object in the focusing area; and on the operation screen, carrying out reduction processing on the focusing area according to the reduction ratio to obtain a focusing parameter corresponding to the reduced focusing area so as to realize adjustment of the focusing parameter of the shooting device, wherein the area occupied by the target object in the reduced focusing area is greater than or equal to a first threshold value.
18. The apparatus according to claim 14, wherein when the shooting parameter of the shooting device is a photometric parameter, the photometric area and/or the focusing area includes a photometric area, and the processor is specifically configured to perform an amplification process on the photometric area through the operation screen to obtain a photometric parameter corresponding to the amplified photometric area, so as to implement adjustment of the photometric parameter of the shooting device.
19. The apparatus of claim 18,
the processor is specifically configured to determine an amplification ratio of the photometric area according to the size of the operation screen; and on the operation screen, amplifying the photometric area according to the amplification ratio to obtain photometric parameters corresponding to the amplified photometric area, so as to adjust the photometric parameters of the shooting device.
20. The apparatus of claim 18,
the processor is specifically configured to acquire a target object through the operation screen; determining the amplification ratio of the photometric area according to the brightness of the target object in the photometric area; and on the operation screen, amplifying the photometric area according to the amplification ratio to obtain a photometric parameter corresponding to the amplified photometric area, so as to adjust the photometric parameter of the photographing device, wherein when the position of the target object in the amplified photometric area changes, the change amount of the photometric parameter of the target object is smaller than a second threshold.
21. The apparatus according to any one of claims 13-20,
the light measuring and/or focusing area is rectangular, circular or elliptical.
22. The apparatus of claim 13,
the light measuring and/or focusing area comprises a light measuring area and a focusing area, and the light measuring area and the focusing area are overlapped.
23. The apparatus of claim 13,
the processor is specifically configured to keep the size of a photometric and/or focusing area displayed on the operation screen unchanged; and acquiring the photometry and/or focusing parameters corresponding to the adjusted photometry and/or focusing area, and adjusting the shooting parameters of the shooting device.
24. The apparatus of claim 13,
the display area of the operation screen is smaller than 640 x 640 pixels.
25. A camera system comprising an operating screen, a processor, a camera, the processor being configured to perform the method of adjusting camera parameters of any of claims 1-12.
26. The system of claim 25,
the shooting system comprises a control device, the control device is in communication connection with the shooting device, and the control device comprises the operation screen and a processor.
27. The system of claim 25,
the operation screen, the processor and the shooting device in the shooting system are integrated into a camera.
28. The system of claim 25,
the shooting system is a handheld cloud deck, and the shooting device is a camera of the handheld cloud deck.
29. A computer-readable storage medium, characterized in that,
the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, performs the method of adjusting the parameters of a camera of any of claims 1-12.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/098147 WO2020024196A1 (en) | 2018-08-01 | 2018-08-01 | Method for adjusting parameters of photographing device, control device and photographing system |
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| Publication Number | Publication Date |
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| CN110771147A true CN110771147A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880040862.3A Pending CN110771147A (en) | 2018-08-01 | 2018-08-01 | Method for adjusting parameters of shooting device, control equipment and shooting system |
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| CN (1) | CN110771147A (en) |
| WO (1) | WO2020024196A1 (en) |
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