CN108597432B - Brightness adjusting method and related product - Google Patents
Brightness adjusting method and related product Download PDFInfo
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- CN108597432B CN108597432B CN201810356420.1A CN201810356420A CN108597432B CN 108597432 B CN108597432 B CN 108597432B CN 201810356420 A CN201810356420 A CN 201810356420A CN 108597432 B CN108597432 B CN 108597432B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
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- H—ELECTRICITY
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Abstract
The embodiment of the application discloses a brightness adjusting method and a related product, wherein the method comprises the following steps: the method comprises the steps of obtaining a first environment light brightness value through a light sensation sensor, determining a first screen brightness value corresponding to the first environment light brightness value, determining a second screen brightness value according to the average brightness value of a target image when the electronic equipment shoots the target image, and adjusting the screen brightness to be the second screen brightness value if the second screen brightness value is larger than the first screen brightness value.
Description
Technical Field
The application relates to the field of display control, in particular to a brightness adjusting method and a related product.
Background
With the widespread use of electronic devices (such as mobile phones, tablet computers, etc.), the electronic devices have more and more applications and more powerful functions, and the electronic devices are developed towards diversification and personalization, and become indispensable electronic products in the life of users.
At present, when a user shoots an image through an electronic device, an image effect needs to be checked, the brightness of the environment where the user is located is too dark or too bright, and the effect of checking the image may be poor.
Disclosure of Invention
The embodiment of the application provides a brightness adjusting method and a related product, which can realize the intellectualization of screen brightness adjustment so as to more accurately display the effect of shooting images.
In a first aspect, an embodiment of the present application provides a brightness adjustment method, where the method includes:
acquiring a first environment light brightness value through a light sensor, and determining a first screen brightness value corresponding to the first environment light brightness value;
when the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image;
and if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value.
In a second aspect, an embodiment of the present application provides a brightness adjusting apparatus, including:
the detection unit is used for acquiring a first environment light brightness value through a light sensor and determining a first screen brightness value corresponding to the first environment light brightness value;
the first determining unit is used for determining a second screen brightness value according to the average brightness value of a target image when the target image is shot by the electronic equipment;
and the first adjusting unit is used for adjusting the screen brightness to the second screen brightness value when the second screen brightness value is greater than the first screen brightness value.
In a third aspect, an embodiment of the present application provides an electronic device, including: a processor and a memory; and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for some or all of the steps as described in the first aspect of an embodiment of the present application.
In a fourth aspect, the present application provides a computer-readable storage medium, where the computer-readable storage medium is used to store a computer program, where the computer program is used to make a computer execute some or all of the steps described in the first aspect of the present application.
In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in the first aspect of embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has the following beneficial effects:
it can be seen that, in the brightness adjusting method and the related product described in the embodiments of the present application, the light sensor is used to obtain the first ambient light brightness value, determine the first screen brightness value corresponding to the first ambient light brightness value, when the electronic device shoots the target image, determine the second screen brightness value according to the average brightness value of the target image, and adjust the screen brightness to the second screen brightness value if the second screen brightness value is greater than the first screen brightness value, so that the intellectualization of the screen brightness adjustment can be realized, and the effect of shooting the image can be more accurately displayed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1A is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 1B is a schematic flowchart of a brightness adjustment method according to an embodiment of the present application;
fig. 1C is a schematic illustration showing a region division of a target image according to an embodiment of the present application;
fig. 1D is a schematic diagram illustrating an electronic device shooting a target image according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of another brightness adjustment method provided in the embodiment of the present application;
fig. 3 is a schematic flowchart of another brightness adjustment method provided in the embodiment of the present application;
fig. 4 is a schematic structural diagram of another electronic device provided in an embodiment of the present application;
fig. 5A is a schematic structural diagram of a brightness adjustment device according to an embodiment of the present application;
fig. 5B is a schematic structural diagram of a first determining unit of the brightness adjusting apparatus depicted in fig. 5A according to an embodiment of the present invention;
fig. 5C is a schematic structural diagram of a modified structure of the brightness adjustment device depicted in fig. 5A according to an embodiment of the present invention;
fig. 5D is a schematic structural diagram of a second determining unit of the brightness adjusting apparatus depicted in fig. 5B according to an embodiment of the present invention;
fig. 5E is a schematic structural diagram of a modified structure of the brightness adjusting device depicted in fig. 5B according to an embodiment of the present invention;
fig. 6 is another schematic structural diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The electronic devices involved in the embodiments of the present application may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem with wireless communication functions, as well as various forms of User Equipment (UE), Mobile Stations (MS), terminal equipment (terminal device), and so on. For convenience of description, the above-mentioned devices are collectively referred to as electronic devices.
The following describes embodiments of the present application in detail.
Referring to fig. 1A, fig. 1A is a schematic structural diagram of an electronic device 100 according to an embodiment of the present disclosure, where the electronic device 100 includes: the camera comprises a shell 110, a circuit board 120 arranged in the shell 110, at least one camera 130, a light sensor 140 and a screen 150 arranged on the shell 110, wherein a processor 121 is arranged on the circuit board 120, the camera 130 and the light sensor 140 are respectively connected with the processor 121, and the processor 121 is connected with the screen 150.
The embodiment of the present application may include at least one camera 130, where the at least one camera may be used to capture a target image, and the at least one camera may include a front camera and a rear camera, where the front camera may be used for a user to capture a portrait image by taking a self-portrait, for example.
The light sensor 140 is a light sensing device for detecting an ambient light brightness value of an environment where the electronic device is located, and is capable of converting ambient light brightness into an electrical signal and then converting the electrical signal into a corresponding ambient light brightness value. The screen 150 may be used to display a target image captured by the camera, so that a user can view the capturing effect of the target image.
Referring to fig. 1B, fig. 1B is a schematic flow chart of a brightness adjustment method according to an embodiment of the present disclosure, where the brightness adjustment method described in the present embodiment is applied to the electronic device shown in fig. 1A, and the brightness adjustment method includes:
101. a first environment light brightness value is obtained through a light sensor, and a first screen brightness value corresponding to the first environment light brightness value is determined.
In the embodiment of the application, the light sensor can detect the brightness value of the environment light where the electronic device is located to obtain a first brightness value of the environment light, alternatively, considering that in the implementation process, when the light sensor is blocked, the result detected by the light sensor may not correspond to the actual ambient light brightness value, and therefore, after the light sensor detects the ambient light brightness value at the first time, it is determined whether the ambient light brightness value at the first time is lower than a preset brightness value, if not, taking the ambient light brightness value at the first time as the first ambient light brightness value, if so, detecting the ambient light brightness value at the second time, and taking the ambient light brightness value at the second time as the first ambient light brightness value, the second moment is later than the first moment, so that the problem of inaccurate detection result caused by the fact that the light sensor is shielded can be avoided.
Alternatively, a first screen brightness value corresponding to the first ambient light brightness value is determined, a mapping table of the ambient light brightness value and the screen brightness value may be preset, further, a first screen brightness value corresponding to the first ambient light brightness value is determined by searching the mapping table, further, the mapping table of the ambient light brightness value and the screen brightness value is preset, when the electronic equipment is in a manual brightness adjustment mode and a user manually sets the screen brightness value, the current ambient light brightness value can be acquired, thus, a plurality of screen brightness values and a plurality of environment brightness values set by a user are obtained, each screen brightness value corresponds to the environment brightness value one by one, then a mapping table of the environment brightness value and the screen brightness value is established, the screen brightness value set by the user is set according to the visual experience of the user under the corresponding ambient light brightness value, so that the mapping table can reflect the requirements of the user on the screen brightness more individually.
102. When the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image.
In an embodiment of the present application, the capturing of the target image by the user through the electronic device may include capturing a target scene at a first position and at a second position, where the first position and the second position are positions with different brightness values of ambient light, the first position is a position where the electronic device is located, and the second position is a position where the captured target scene is located, for example, when capturing an outdoor scene from indoors, the first position is indoors and the second position is outdoors, and for example, when capturing a scene in sunlight in a tree shade, the first position is in a tree shade and the second position is in sunlight. When the electronic equipment shoots a target scene in a second area in a first area, if the electronic equipment is in an automatic screen brightness adjusting mode, the electronic equipment sets a first screen brightness value according to an ambient light brightness value of the first area, which may cause a target image to be displayed with a darker effect on a screen; if the screen brightness value currently set by the user is not matched with the ambient light brightness value of the current first area, the effect of displaying the target image on the screen may be dark, so that the user may not clearly see the shooting effect of the target image.
Optionally, the second screen brightness value is determined according to the average brightness value of the target image, and the average brightness value is used as the second screen brightness value by obtaining the average brightness values of the plurality of brightness values corresponding to all the pixel points of the target image. Specifically, the average brightness value of the plurality of brightness values corresponding to all the pixel points of the target image may be obtained through the following method: the method comprises the steps of obtaining the brightness value of each pixel point in all pixel points in a target image, obtaining a plurality of brightness values, counting the number of the pixel points corresponding to each brightness value in the plurality of brightness values, obtaining a plurality of numbers of which the number is larger than a preset value, and calculating the average brightness value of the plurality of brightness values corresponding to the plurality of numbers.
Optionally, the average brightness value of the plurality of brightness values corresponding to all the pixel points of the target image may be obtained through the following method: the method comprises the steps of obtaining the brightness value of each pixel point in all pixel points of a target image, and then calculating the average brightness value through the following formula:
wherein N is a pixel in the target image
The number of points, N is a positive integer, L (x, y) is the x-th row, the luminance value of the pixel point in the y-th column, e is a natural exponent, c is a constant, c may be 0.0001, and ln () is a natural logarithm function.
Optionally, in the step 102, determining the second screen brightness value according to the average brightness value of the target image may specifically include the following steps:
21. dividing the target image into a plurality of areas, and determining at least one bright area and at least one dark area in the plurality of areas, wherein the bright area is an area with an average brightness value larger than a preset brightness value, and the dark area is an area with an average brightness value smaller than the preset brightness value;
22. determining a first weight value corresponding to the bright area and a second weight value corresponding to the dark area according to the distribution quantity of the bright area and the dark area in the plurality of areas;
23. determining the second screen brightness value according to the first weight value, the second weight value, the average brightness value of the at least one bright area and the average brightness value of the at least one dark area.
In the embodiment of the application, the bright area and the dark area possibly exist in the target image, and the corresponding screen brightness of the bright area and the dark area is different, so that different weight values can be set for the bright area and the dark area, the bright and dark distribution condition in the image can be grasped, and the obtained screen brightness is enabled to better accord with the bright and dark distribution condition of the image.
Determining the second screen brightness value according to the first weight value, the second weight value, the average brightness value of the at least one bright area, and the average brightness value of the at least one dark area, wherein calculating the second screen brightness value according to the following formula:
the second screen brightness value is the first average brightness value plus the first weighted value plus the second average brightness value plus the second weighted value.
The first average brightness value is the average brightness value of at least one bright area, and the second average brightness value is the average brightness value of at least one dark area.
For example, referring to fig. 1C, fig. 1C is a schematic diagram illustrating a target image being divided into 9 regions according to an embodiment of the present disclosure, as shown in fig. 1C, in 9 regions included in the target image, an average brightness value of each of the 9 regions is a1, a2, a3, a4, a5, a6, a7, a8, and a9, and assuming that the preset brightness value is 127, the a1, and a1 are all smaller than the preset brightness value 127, and a1 < 127 < a1, the 1 st region, the 3 rd region, and the 4 th region are dark regions, 6 regions other than the 1 st region, the 3 rd region, and the 4 th region are bright regions, a first bright region corresponding to the bright region is a first weighted value 1, a second weighted value (a + 1 a) is a1+ 1a 1+ 1 (a1+ (1 a1 +) (1 a1+ 1 a) a1+ a3+ a4)/3) an 3/9), so that the screen brightness value can be determined according to the distribution range of the bright and dark areas, and the screen brightness value is more consistent with the vision of the user.
103. And if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value.
In the embodiment of the application, if the second screen brightness value is greater than the first screen brightness value, it indicates that the screen brightness value determined according to the current ambient light brightness cannot meet the requirement of displaying the current target image, and therefore, the screen brightness can be adjusted to the second screen brightness value.
For example, referring to fig. 1D, fig. 1D is a schematic diagram illustrating an electronic device shooting a target image, where a user shoots an outdoor target scene indoors through the electronic device, an outdoor ambient light intensity value is greater than 10000lux, an indoor ambient light intensity value is 500lux, a first screen brightness value corresponding to the 500lux ambient light intensity value is 30% of a maximum screen brightness value, the maximum screen brightness value is a maximum screen brightness value that can be realized by the electronic device, and an average brightness value of the target image is 400nits, and a second screen brightness value corresponding to the average brightness value is 75% of the maximum screen brightness value, which is greater than the first screen brightness value, and the screen brightness can be smoothly adjusted to 75% of the maximum screen brightness value.
It can be seen that, in the brightness adjusting method described in the embodiment of the present application, the light sensor is used to obtain the first ambient light brightness value, determine the first screen brightness value corresponding to the first ambient light brightness value, when the electronic device shoots the target image, determine the second screen brightness value according to the average brightness value of the target image, and adjust the screen brightness to the second screen brightness value if the second screen brightness value is greater than the first screen brightness value, so that the intellectualization of the screen brightness adjustment can be realized, and the effect of the shot image can be displayed more accurately.
Referring to fig. 2, fig. 2 is a schematic flow chart of another brightness adjustment method according to an embodiment of the present disclosure, where the brightness adjustment method described in the present embodiment is applied to the electronic device shown in fig. 1A, and the method may include the following steps:
201. a first environment light brightness value is obtained through a light sensor, and a first screen brightness value corresponding to the first environment light brightness value is determined.
202. When the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image.
203. And if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value.
The specific implementation process of the steps 201-203 may refer to the corresponding description in the steps 101-103, and will not be described herein again.
204. And receiving a control instruction, wherein the control instruction carries a control parameter for adjusting the brightness of the target image.
In this embodiment of the application, a user may add some special effects to a target image by performing image processing on the target image in a shooting application, where the special effects may be, for example, adding expressions, borders, patterns, characters, and other contents to a target area, and adjusting a color tone of the target image (for example, vintage, nostalgic, and the like), the control instruction is an instruction for setting an image processing mode for the target image, and the image processing mode may include at least one of the following: adding a specific effect to the designated area of the target image, where the specific effect may be, for example, adding a content such as an expression, a frame, a pattern, a text, etc. to the designated area, adjusting a color tone of the target image (e.g., ancient, nostalgic, etc.), an instruction to enlarge the target image, and so on, where the control parameter may include at least one of: brightness parameters corresponding to the image processing mode, magnification factor for magnifying the target image, and the like.
205. And determining a third screen brightness value according to the control parameter.
In the embodiment of the present application, based on the different control parameters, the third screen brightness value corresponding to the control parameter can be determined, specifically, when the brightness parameter corresponding to the image processing mode is larger, or the magnification factor for magnifying the target image is larger, the larger the corresponding third screen brightness value is, for example, when the target image is a portrait image, the control instruction is to add an expression to the face area, determining a face region of the target image, obtaining a first brightness value of an expression selected by a user, determining a second brightness value of the face region in the target image, calculating a brightness difference between the first brightness value and the second brightness value, and determining a corresponding brightness adjustment amount according to the brightness difference value, and determining a third screen brightness value according to the brightness adjustment amount and the second screen brightness value, so that the display effect of the face area in the portrait image is more appropriate.
Optionally, in step 205, the controlling parameter includes a magnification of the target image, and the determining the third screen brightness value according to the controlling parameter may specifically include the following steps:
51. determining the brightness adjustment amount corresponding to the magnification;
52. and determining the third screen brightness value according to the brightness adjustment amount and the second screen brightness value.
In the embodiment of the application, when a user views a target image, a designated area of the target image may be enlarged, generally, when the designated area is an area of the target image contacted by the user when the user touches a screen, when the designated area is a area with brightness greater than a preset brightness threshold, the designated area is enlarged, and the brightness of the screen can be adjusted to make the display effect of the designated area brighter, so that the user can clearly see details of the designated area, wherein the designated area may be an area with a larger average brightness value in the image.
The corresponding brightness adjustment value, the brightness adjustment value and the second screen brightness value can be determined according to the mapping relation between the preset magnification factor and the brightness adjustment value.
206. And if the third screen brightness value is greater than the first screen brightness value, adjusting the screen brightness to the third screen brightness value.
Optionally, adjusting the screen brightness to a third screen brightness value comprises smoothly adjusting the screen brightness from the current screen brightness value to the third screen brightness value.
If the third screen brightness value is less than or equal to the first screen brightness value, the screen brightness is maintained at the second screen brightness value.
It can be seen that, in the brightness adjusting method described in the embodiment of the present application, the light sensor obtains the first ambient light brightness value, determines the first screen brightness value corresponding to the first ambient light brightness value, when the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image, if the second screen brightness value is greater than the first screen brightness value, adjusting the screen brightness to the second screen brightness value, receiving a control instruction triggered by a user, wherein the control instruction carries control parameters related to the target image, determining a third screen brightness value according to the control parameter, if the third screen brightness value is greater than the first screen brightness value, and adjusting the screen brightness to the third screen brightness value, so that the screen brightness can be intelligently adjusted according to the requirements of the user to more accurately display the effect of the shot image.
In accordance with the above, please refer to fig. 3, which is a flowchart illustrating another brightness adjustment method according to an embodiment of the present disclosure, where the brightness adjustment method described in the embodiment is applied to the electronic device shown in fig. 1A, and the method may include the following steps:
301. a first environment light brightness value is obtained through a light sensor, and a first screen brightness value corresponding to the first environment light brightness value is determined.
302. When the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image.
303. When browsing an album, acquiring the turning frequency of the electronic equipment for the album in a preset time period.
In the embodiment of the application, when a user views a target image, the user may turn over other images in the album by the way except for the target image, and if the turning frequency of the user turning over the album exceeds a preset frequency, it indicates that the user only roughly browses the album, so that the turning frequency of the electronic device for the album in a preset time period may be obtained, where the preset time period may be, for example, 1 minute after the electronic device receives an instruction to browse the target image, specifically, after the user shoots the target image, if the user triggers a browsing mode of the target image, the number of the images turned over by the user may be determined in the preset time period after the user triggers browsing the target image, and then the turning frequency of the album in the preset time period is determined, where the preset frequency may be, for example, 2 sheets per second.
304. When the target image is browsed, if the browsing frequency is smaller than a preset threshold value and the second screen brightness value is larger than the first screen brightness value, the screen brightness is adjusted to be the second screen brightness value.
If the page turning frequency is less than the preset threshold, the user is indicated to want to view the image content of the target image and even the details of the image content, and only when the page turning frequency is less than the preset threshold, the operation of adjusting the screen brightness of the target image is executed, so that the power consumption caused by the operation of adjusting the screen brightness due to unnecessary operation can be avoided. The preset threshold may be set by default by the system, or by the user.
305. And receiving a control instruction, wherein the control instruction carries a control parameter for adjusting the brightness of the target image.
306. And determining a third screen brightness value according to the control parameter.
307. And if the third screen brightness value is greater than the first screen brightness value, adjusting the screen brightness to the third screen brightness value.
The specific implementation processes of steps 301-302 and 305-307 of the method shown in fig. 3 can refer to the specific implementation processes of the above method, and are not described herein again.
The brightness adjusting method described in the embodiment of the application obtains a first ambient light brightness value through a light sensor, determines a first screen brightness value corresponding to the first ambient light brightness value, determines a second screen brightness value according to an average brightness value of a target image when the electronic device shoots the target image, obtains a scrolling frequency of the electronic device for an album within a preset time period, adjusts the screen brightness to the second screen brightness value if the scrolling frequency is less than a preset threshold value and the second screen brightness value is greater than the first screen brightness value when the electronic device scrolls the target image, receives a control instruction triggered by a user, wherein the control instruction carries a control parameter related to the target image, determines a third screen brightness value according to the control parameter, and adjusts the screen brightness to the third screen brightness value if the third screen brightness value is greater than the first screen brightness value, therefore, the screen brightness can be intelligently adjusted according to the requirements of users, the effect of shooting images is more accurately displayed, and the energy consumption caused by unnecessary operation is reduced.
The following is a device for implementing the brightness adjustment method, specifically as follows:
in accordance with the above, please refer to fig. 4, where fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure, the electronic device includes: a processor and a memory; and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for performing the steps of:
acquiring a first environment light brightness value through a light sensor, and determining a first screen brightness value corresponding to the first environment light brightness value;
when the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image;
and if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value.
In one possible example, in said determining a second screen brightness value as a function of an average brightness value of said target image, said program comprises instructions for:
dividing the target image into a plurality of areas, and determining at least one bright area and at least one dark area in the plurality of areas, wherein the bright area is an area with an average brightness value larger than a preset brightness value, and the dark area is an area with an average brightness value smaller than the preset brightness value;
determining a first weight value corresponding to the bright area and a second weight value corresponding to the dark area according to the distribution quantity of the bright area and the dark area in the plurality of areas;
determining the second screen brightness value according to the first weight value, the second weight value, the average brightness value of the at least one bright area and the average brightness value of the at least one dark area.
In one possible example, after the adjusting the screen brightness to the second screen brightness value, the program further includes instructions for performing the steps of:
receiving a control instruction, wherein the control instruction carries a control parameter for adjusting the brightness of the target image;
determining a third screen brightness value according to the control parameter;
and if the third screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the third screen brightness value.
In one possible example, the control parameter comprises a magnification of a specified area in the target image, and in the determining a third screen brightness value according to the control parameter, the program comprises instructions for:
determining the brightness adjustment amount corresponding to the magnification;
and determining the third screen brightness value according to the brightness adjustment amount and the second screen brightness value.
In one possible example, the program further comprises instructions for performing the steps of:
when browsing an album, acquiring the turning frequency of the electronic equipment for the album in a preset time period;
and when the target image is browsed, if the browsing frequency is smaller than a preset threshold value, adjusting the screen brightness to be the second screen brightness value.
Referring to fig. 5A, fig. 5A is a schematic structural diagram of a brightness adjusting device applied to an electronic device according to the present embodiment, the brightness adjusting device includes a detecting unit 501, a first determining unit 502, and a first adjusting unit 503, wherein,
the detecting unit 501 is configured to obtain a first ambient light brightness value through a light sensor, and determine a first screen brightness value corresponding to the first ambient light brightness value;
the first determining unit 502 is configured to determine a second screen brightness value according to an average brightness value of a target image when the target image is captured by the electronic device;
the first adjusting unit 503 is configured to adjust the screen brightness to the second screen brightness value when the second screen brightness value is greater than the first screen brightness value.
Alternatively, as shown in fig. 5B, fig. 5B is a detailed structure of the first determining unit 502 of the brightness adjusting apparatus depicted in fig. 5A, and the first determining unit 502 may include: the dividing module 5021, the first determining module 5022 and the second determining module 5023 are specifically as follows:
the dividing module 5021 is configured to divide the target image into a plurality of regions, and determine at least one bright region and at least one dark region in the plurality of regions, where the bright region is a region with an average brightness value greater than a preset brightness value, and the dark region is a region with an average brightness value less than the preset brightness value;
the first determining module 5022 is configured to determine a first weight value corresponding to the bright area and a second weight value corresponding to the dark area according to the distribution quantity of the bright area and the dark area in the plurality of areas;
the second determining module 5023 is configured to determine the second screen brightness value according to the first weight value, the second weight value, the average brightness value of the at least one bright area, and the average brightness value of the at least one dark area.
Alternatively, as shown in fig. 5C, fig. 5C is a modified structure of the brightness adjustment device depicted in fig. 5A, which may further include a receiving unit 504, a second determining unit 505, and a second adjusting unit 506, compared with fig. 5A, wherein,
the receiving unit 504 is configured to receive a control instruction, where the control instruction carries a control parameter for adjusting the brightness of the target image;
the second determining unit 505 is configured to determine a third screen brightness value according to the control parameter;
the second adjusting unit 506 is configured to adjust the screen brightness to the third screen brightness value when the third screen brightness value is greater than the first screen brightness value.
Optionally, the control parameter includes a magnification of a designated area in the target image, as shown in fig. 5D, where fig. 5D is a detailed structure of the second determining unit 505 of the brightness adjusting apparatus depicted in fig. 5B, and the second determining unit 505 may include: the third determination module 5051 and the fourth determination module 5052 are specifically as follows:
the third determining module 5051 is configured to determine a brightness adjustment amount corresponding to the magnification;
the fourth determining module 5052 is configured to determine the third screen brightness value according to the brightness adjustment amount and the second screen brightness value.
Alternatively, as shown in fig. 5E, fig. 5E is a modified structure of the brightness adjusting device depicted in fig. 5B, which is compared with fig. 5B, and may further include an obtaining unit 507, wherein,
the obtaining unit 507 is configured to obtain a turning frequency of the electronic device for an album within a preset time period when the album is browsed;
the first adjusting unit 503 is further configured to, when the target image is scrolled, if the scrolling frequency is smaller than a preset threshold, perform the step of adjusting the screen brightness to the second screen brightness value.
It can be seen that, in the brightness adjusting apparatus described in the embodiment of the present application, a light sensor is used to obtain a first ambient light brightness value, determine a first screen brightness value corresponding to the first ambient light brightness value, when an electronic device shoots a target image, determine a second screen brightness value according to an average brightness value of the target image, obtain a scrolling frequency of the electronic device for an album within a preset time period, when the electronic device scrolls through the target image, if the scrolling frequency is smaller than a preset threshold and the second screen brightness value is greater than the first screen brightness value, adjust the screen brightness to the second screen brightness value, receive a control instruction triggered by a user, where the control instruction carries a control parameter related to the target image, determine a third screen brightness value according to the control parameter, and if the third screen brightness value is greater than the first screen brightness value, adjust the screen brightness to the third screen brightness value, therefore, the screen brightness can be intelligently adjusted according to the requirements of users, the effect of shooting images is more accurately displayed, and the energy consumption caused by unnecessary operation is reduced.
It can be understood that the functions of each program module of the brightness adjusting apparatus of this embodiment may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the related description of the foregoing method embodiment, which is not described herein again.
As shown in fig. 6, for convenience of description, only the portions related to the embodiments of the present application are shown, and details of the specific technology are not disclosed, please refer to the method portion of the embodiments of the present application. The electronic device may be any terminal device including a mobile phone, a tablet computer, a PDA (personal digital assistant), a POS (point of sales), a vehicle-mounted computer, etc., taking the electronic device as the mobile phone as an example:
fig. 6 is a block diagram illustrating a partial structure of a cellular phone related to an electronic device provided by an embodiment of the present invention. The cellular phone 6000 shown in fig. 6 includes: at least one processor 6011, a memory 6012, communication interfaces (including SIM interface 6014, audio input interface 6015, serial port 6016, and other communication interfaces 6017), a signal processing module 6013 (including receiver 6018, transmitter 6019, LOs6020, and signal processor 6021), and input-output modules (including screen 6022, speakers 6023, microphone 6024, sensors 6025, etc.). Those skilled in the art will appreciate that the electronic device configuration shown in fig. 6 does not constitute a limitation of the electronic device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following specifically describes each component of the mobile phone with reference to fig. 6:
the processor 6011 is a control center of the mobile phone, connects various parts of the whole mobile phone by using various interfaces and lines, and executes various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 6012 and calling data stored in the memory, thereby integrally monitoring the mobile phone. Alternatively, the processor may integrate an application processor (e.g., CPU, or GPU) that primarily handles operating systems, user interfaces, application programs, and the like, and a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor.
The processor 6011 is configured to perform the following steps:
acquiring a first environment light brightness value through a light sensor, and determining a first screen brightness value corresponding to the first environment light brightness value;
when the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image;
and if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value.
The memory 6012 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data created according to the use of the mobile phone, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The communication interface is used for performing communication connection with an external device, and includes a SIM interface 6014, an audio input interface 6015, a serial interface 6016, and another communication interface 6017.
The input-output module 6010 may include a screen 6022, a speaker 6023, a microphone 6024, sensors 6025, etc., and the sensors 6025 may include a light sensor, a motion sensor, a brain wave sensor, a camera, and other sensors. Specifically, the light sensor may include an environment sensor and a proximity sensor, wherein the environment sensor may detect an ambient light brightness value of an environment where the electronic device is located, and the proximity sensor may turn off the touch screen and/or the backlight when the mobile phone moves to the ear. The motion sensor may be, for example, an accelerometer sensor, which can detect the magnitude of acceleration in various directions (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), and the like. In the embodiment of the application, the camera can be used for shooting the target image, wherein the camera can comprise a front camera and a rear camera.
The signal processing module 6013 is configured to process a signal received by the mobile phone from an external device and send the signal to the external device, where the external device may be a base station, for example, the receiver 6018 is configured to receive the signal sent by the external device and transmit the signal to the signal processor 6021, and the transmitter 6019 is configured to transmit the signal output by the signal processor 6021.
In the embodiments shown in fig. 1B, fig. 2, or fig. 3, the method flows of the steps may be implemented based on the structure of the mobile phone.
In the embodiments shown in fig. 4 and fig. 5A to fig. 5E, the functions of the units may be implemented based on the structure of the mobile phone.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program causes a computer to execute part or all of the steps of any one of the brightness adjustment methods as described in the above method embodiments.
Embodiments of the present application also provide a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute part or all of the steps of any one of the brightness adjustment methods as described in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: various media capable of storing program codes, such as a usb disk, a read-only memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and the like.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash disk, ROM, RAM, magnetic or optical disk, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. A brightness adjustment method is applied to an electronic device, and the method comprises the following steps:
acquiring a first environment light brightness value through a light sensor, and determining a first screen brightness value corresponding to the first environment light brightness value;
when the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image;
if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value;
wherein the content of the first and second substances,
the determining a second screen brightness value according to the average brightness value of the target image includes:
dividing the target image into a plurality of areas, and determining at least one bright area and at least one dark area in the plurality of areas, wherein the bright area is an area with an average brightness value larger than a preset brightness value, and the dark area is an area with an average brightness value smaller than the preset brightness value;
determining a first weight value corresponding to the bright area and a second weight value corresponding to the dark area according to the distribution quantity of the bright area and the dark area in the plurality of areas;
determining the second screen brightness value according to the first weight value, the second weight value, the average brightness value of the at least one bright area and the average brightness value of the at least one dark area.
2. The method of claim 1, wherein after the adjusting the screen brightness to the second screen brightness value, the method further comprises:
receiving a control instruction, wherein the control instruction carries a control parameter for adjusting the brightness of the target image;
determining a third screen brightness value according to the control parameter;
and if the third screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the third screen brightness value.
3. The method of claim 2, wherein the control parameter comprises a magnification of a specified region in the target image, and wherein determining a third screen brightness value based on the control parameter comprises:
determining the brightness adjustment amount corresponding to the magnification;
and determining the third screen brightness value according to the brightness adjustment amount and the second screen brightness value.
4. The method according to any one of claims 1 to 3,
the method further comprises the following steps: when browsing an album, acquiring the turning frequency of the electronic equipment for the album in a preset time period;
and when the target image is browsed, if the browsing frequency is smaller than a preset threshold value, adjusting the screen brightness to be the second screen brightness value.
5. A brightness adjustment method is applied to an electronic device, and the method comprises the following steps:
acquiring a first environment light brightness value through a light sensor, and determining a first screen brightness value corresponding to the first environment light brightness value;
when the electronic equipment shoots a target image, determining a second screen brightness value according to the average brightness value of the target image;
if the second screen brightness value is larger than the first screen brightness value, adjusting the screen brightness to be the second screen brightness value;
wherein the content of the first and second substances,
the method further comprises the following steps: when browsing an album, acquiring the turning frequency of the electronic equipment for the album in a preset time period;
and when the target image is browsed, if the browsing frequency is smaller than a preset threshold value, adjusting the screen brightness to be the second screen brightness value.
6. A luminance adjustment device, characterized in that the luminance adjustment device comprises:
the detection unit is used for acquiring a first environment light brightness value through a light sensor and determining a first screen brightness value corresponding to the first environment light brightness value;
the first determining unit is used for determining a second screen brightness value according to the average brightness value of a target image when the target image is shot by the electronic equipment;
the first adjusting unit is used for adjusting the screen brightness to the second screen brightness value when the second screen brightness value is larger than the first screen brightness value;
wherein the first determination unit includes:
the dividing module is used for dividing the target image into a plurality of areas, and determining at least one bright area and at least one dark area in the plurality of areas, wherein the bright area is an area with an average brightness value larger than a preset brightness value, and the dark area is an area with an average brightness value smaller than the preset brightness value;
a first determining module, configured to determine a first weight value corresponding to the bright area and a second weight value corresponding to the dark area according to the distribution number of the bright area and the dark area in the plurality of areas;
a second determining module, configured to determine the second screen brightness value according to the first weight value, the second weight value, the average brightness value of the at least one bright area, and the average brightness value of the at least one dark area.
7. The luminance adjustment device according to claim 6, characterized in that the luminance adjustment device further comprises:
the receiving unit is used for receiving a control instruction, and the control instruction carries a control parameter for adjusting the brightness of the target image;
a third determining unit, configured to determine a third screen brightness value according to the control parameter;
and the second adjusting unit is used for adjusting the screen brightness to the third screen brightness value when the third screen brightness value is greater than the second screen brightness value.
8. An electronic device, comprising: a processor and a memory; and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for the method of any of claims 1-5.
9. A computer-readable storage medium for storing a computer program, wherein the computer program causes a computer to perform the method according to any one of claims 1-5.
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| CN110443180B (en) * | 2019-07-30 | 2023-07-04 | RealMe重庆移动通信有限公司 | System, method, device, medium and equipment for processing brightness of fingerprint image under screen |
| CN112289279B (en) * | 2020-11-05 | 2022-04-12 | Oppo广东移动通信有限公司 | Screen brightness adjusting method and device, storage medium and electronic equipment |
| CN114040122A (en) * | 2020-12-02 | 2022-02-11 | 海信视像科技股份有限公司 | Display device, image processing method and device |
| CN112509526A (en) * | 2020-12-04 | 2021-03-16 | 北京罗克维尔斯科技有限公司 | Method and device for adjusting backlight brightness of display |
| CN113539208A (en) * | 2021-07-15 | 2021-10-22 | 深圳市宝能通讯技术有限公司 | Screen brightness adjusting method and device and terminal equipment |
| CN113810677A (en) * | 2021-09-09 | 2021-12-17 | Oppo广东移动通信有限公司 | Screen brightness adjusting method, terminal and readable storage medium |
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| KR101430455B1 (en) * | 2007-11-05 | 2014-08-14 | 엘지전자 주식회사 | Apparatus and method for prevent dazzling of LCD |
| CN101546532B (en) * | 2008-03-26 | 2012-07-18 | 群康科技(深圳)有限公司 | Automatic regulating device and automatic regulating method for liquid crystal display luminance |
| EP2133861A3 (en) * | 2008-06-10 | 2010-07-28 | LG Electronics, Inc. | Display device and control method thereof |
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| CN104715736B (en) * | 2013-12-16 | 2018-02-23 | 炬芯（珠海）科技有限公司 | The backlight Automatic adjustment method and device of a kind of electronic equipment |
| CN104660766B (en) * | 2015-03-04 | 2017-08-29 | 广东欧珀移动通信有限公司 | The backlight adjusting method and device of a kind of mobile terminal |
| CN105957499B (en) * | 2016-06-28 | 2019-02-05 | Oppo广东移动通信有限公司 | Control method, control device and electronic device |
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