WO2019109563A1 - 显示界面图像的方法和装置 - Google Patents
显示界面图像的方法和装置 Download PDFInfo
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- WO2019109563A1 WO2019109563A1 PCT/CN2018/082533 CN2018082533W WO2019109563A1 WO 2019109563 A1 WO2019109563 A1 WO 2019109563A1 CN 2018082533 W CN2018082533 W CN 2018082533W WO 2019109563 A1 WO2019109563 A1 WO 2019109563A1
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- brightness
- interface image
- adjustment parameter
- determining
- contrast
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/028—Circuits for converting colour display signals into monochrome display signals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G—PHYSICS
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- 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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- 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
- G09G2320/066—Adjustment of display parameters for control of contrast
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- 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
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/06—Colour space transformation
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Definitions
- the present disclosure relates to the field of computer technology, and more particularly to a method and apparatus for displaying an interface image.
- the mobile phone screen becomes the most important reason for the power consumption of the mobile phone, so there is an urgent need for a method for reducing the power consumption of the mobile phone screen.
- the present disclosure provides a method and apparatus for displaying an interface image.
- the technical solutions are as follows:
- a method of displaying an interface image comprising:
- N is a preset positive integer
- the current backlight brightness is lowered based on the brightness adjustment parameter.
- the determining the brightness adjustment parameter corresponding to the interface image includes:
- the brightness adjustment parameter corresponding to the contrast range to which the contrast of the interface image belongs is determined according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter.
- the determining, according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter, determining a brightness adjustment parameter corresponding to a contrast range to which the contrast of the interface image belongs includes:
- the determining, according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter, determining a brightness adjustment parameter corresponding to a contrast range to which the contrast of the interface image belongs includes:
- the method before the determining the gray level to which all the pixel points of the interface image belong, the method further includes:
- the method before the determining the gray level to which all the pixel points of the interface image belong, the method further includes:
- the brightness adjustment parameter is to adjust brightness
- the reducing, according to the brightness adjustment parameter, the current backlight brightness including:
- the current backlight brightness is subtracted from the adjusted brightness corresponding to the interface image to obtain a reduced backlight brightness.
- the brightness adjustment parameter is an adjustment ratio
- the reducing, according to the brightness adjustment parameter, the current backlight brightness including:
- the method before the determining the gray level to which all the pixel points of the interface image belong, the method further includes:
- the determining the gray level to which all the pixel points of the interface image belong respectively includes:
- an apparatus for displaying an interface image comprising:
- An acquiring module configured to acquire an currently displayed interface image, and determine a gray level to which all pixel points of the interface image respectively belong;
- the obtaining module is further configured to determine a number of each gray level in a gray level to which all the pixel points respectively belong;
- the acquiring module is further configured to obtain a maximum number of N gray levels, where N is a preset positive integer;
- the obtaining module is further configured to: if the difference between the N gray scales of the largest number exceeds a first preset value, and the sum of the number of the N largest gray scales accounts for the total number of gray scales The ratio of the sum exceeds the second preset value, and the brightness adjustment parameter corresponding to the interface image is determined;
- an adjustment module configured to reduce a current backlight brightness based on the brightness adjustment parameter.
- the obtaining module is further configured to:
- the brightness adjustment parameter corresponding to the contrast range to which the contrast of the interface image belongs is determined according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter.
- the obtaining module is further configured to:
- the obtaining module is further configured to:
- the obtaining module is further configured to:
- the obtaining module is further configured to:
- the brightness adjustment parameter is to adjust brightness
- the adjustment module is configured to:
- the current backlight brightness is subtracted from the adjusted brightness corresponding to the interface image to obtain a reduced backlight brightness.
- the brightness adjustment parameter is an adjustment ratio
- the adjustment module is configured to:
- the device further includes:
- mapping module configured to map the interface image to an HSV space or a YUV space
- the obtaining module is configured to:
- a computer readable storage medium having stored therein at least one instruction, at least one program, a code set, or a set of instructions, the at least one instruction, the at least one segment A program, the set of codes, or a set of instructions is loaded and executed by the processor to implement a method of displaying an interface image as described in the first aspect above.
- an apparatus for displaying an interface image comprising a processor and a memory, the memory storing at least one instruction, at least one program, a code set or a set of instructions, At least one instruction, the at least one program, the set of codes, or a set of instructions is loaded and executed by the processor to implement a method of displaying an interface image as described in the first aspect above.
- the currently displayed interface image is obtained, and the gray scale to which all the pixel points of the interface image belong respectively is determined.
- the number of each gray scale is determined, and the largest number of N is obtained.
- Gray scale where N is a preset positive integer, if the difference between the N gray scales with the largest number exceeds the first preset value, and the sum of the number of the most N gray scales accounts for all gray scales If the ratio of the sum of the numbers exceeds the second preset value, the brightness adjustment parameter corresponding to the interface image is determined, and the current backlight brightness is lowered based on the brightness adjustment parameter. In this way, when displaying certain interface images, the backlight brightness can be reduced, thereby reducing the current of the backlight source, thereby reducing power consumption, and providing a method for reducing the power consumption of the screen of the mobile phone.
- FIG. 1 is a flowchart of a method of displaying an interface image, according to an exemplary embodiment
- FIG. 2 is a schematic diagram of an option of automatic adjustment according to an exemplary embodiment
- FIG. 3 is a schematic structural diagram of an apparatus for displaying an interface image according to an exemplary embodiment
- FIG. 4 is a schematic structural diagram of an apparatus for displaying an interface image according to an exemplary embodiment
- FIG. 5 is a schematic structural diagram of a terminal according to an exemplary embodiment.
- Embodiments of the present disclosure provide a method of displaying an interface image, and an execution body of the method may be a terminal.
- the terminal may be a mobile terminal used by the user, such as a mobile phone.
- the terminal may be provided with a processor, a memory, a transceiver, etc., and the processor may be used to process the process of displaying the interface image, and the memory may be used for storing and displaying.
- the data required in the interface image process and the generated data, the transceiver can be used to receive and send data.
- the terminal can also be provided with an input and output device such as a screen, a light sensor, etc., the screen can be used to display an interface of the application, and the light sensor can be used to detect the ambient light intensity.
- the terminal is used as a mobile phone as an example to carry out a solution. The detailed description is similar to the other cases, and the present embodiment will not be described again.
- the processing flow of the method may include the following steps:
- step 101 the currently displayed interface image is obtained, and the gray scale to which all the pixel points of the interface image belong respectively is determined.
- the interface image refers to the content displayed on the screen of the terminal, and the gray scale represents the level of different brightness from the darkest to the brightest, generally 0 to 255, a total of 256 levels.
- the option of automatic adjustment is set in the setting option of the terminal, and the user can operate the option of turning on the automatic adjustment, and the terminal determines that the function of automatically adjusting the backlight brightness is turned on.
- the terminal can acquire the currently displayed interface image, determine R (Red, red), G (Green, green), B (Blue, blue) of each pixel of the interface image, and then use the R of each pixel.
- G, B determine the gray level to which all the pixel points of the interface image belong.
- the gray level to which all the pixel points of the interface image belong may be determined based on the YUV space or the HSV space, and the corresponding processing may be as follows:
- the interface image is mapped to the HSV space or the YUV space, and the gray level to which all the pixel points of the interface image belong is determined based on the brightness information of the HSV space or the brightness information of the YUV space.
- the HSV space is a color space created by A.R. Smith in 1978 according to the visual characteristics of color, also called Hexcone Model.
- the parameters of the color in this model are: hue (H), saturation (S), and brightness (V).
- YUV space is a color coding method adopted by European television systems (belonging to PAL). It is the color space used by PAL and SECAM analog color TV systems. It uses YUV space, and its luminance signal Y and chrominance signals U, V are Detached.
- the terminal may determine R, G, and B of each pixel of the interface image, and then use the R, G, and B of each pixel to map the interface image to the HSV.
- the R, G, and B of each pixel of the interface image may be determined.
- U, V. Y is the luminance information of the pixel in the YUV space. For the pixel, if the value of Y is a decimal, it can be rounded to the gray scale.
- each pixel belongs to The gray scale, for example, for a pixel, R is 180, G is 78, B is 100, the determined Y is 111.006, and rounding is 111, and the gray point to which the pixel belongs is 111.
- the ambient light brightness needs to be determined, and the corresponding processing may be as follows:
- Obtain the current ambient light brightness determine the current ambient light brightness within a preset brightness range, and determine the gray level to which all the pixel points of the interface image belong.
- the preset brightness range can be preset by a technician and stored in the terminal, such as 50 lux to 500 lux.
- the terminal may use the light sensor to detect the ambient light brightness, and then determine whether the detected ambient light brightness is within a preset brightness range, if the ambient light brightness is within the preset brightness range. Then, it is possible to determine the gray level to which all the pixel points of the interface image belong (the determination method has been described in detail above, and will not be described here).
- the backlight brightness is adjusted to be adjusted, and the corresponding step 101 may be processed as follows:
- the third preset value may be preset by a technician and stored in the terminal.
- the terminal may determine the current of the current backlight source, and then use the current of the backlight source to determine the corresponding backlight brightness, that is, the current backlight brightness. Then, the terminal can determine whether the current backlight brightness is greater than a third preset value. If the current backlight brightness is greater than the third preset value, the gray level to which all the pixel points of the interface image belong can be determined (the determination method is described in detail above). , no longer repeat here).
- step 102 the number of each gray scale is determined in the gray scale to which all the pixel points respectively belong.
- the number of each gray level may be counted in the gray level to which all the pixel points belong, for example, the interface image includes 1024 pixels.
- the number of grayscales is 30, the number of grayscales is 120, and the number of grayscales is 234.
- step 103 the N number of gray scales having the largest number are acquired.
- N is a preset positive integer, which can be preset by a technician and stored in the terminal, such as 2 or the like.
- the terminal may obtain the N number of gray scales with the largest number, for example, N is 2, the interface image includes 1024 pixels, and the number of gray scales is 500, 500.
- the number of steps 120 is 100, the number of gray levels 234 is 424, and the two largest gray levels are 30, 234.
- step 104 if the difference between the N gray scales of the largest number exceeds the first preset value, and the sum of the number of the largest number of N gray scales accounts for the sum of the total number of gray scales exceeds the second preset Set the value to determine the brightness adjustment parameter corresponding to the interface image.
- the first preset value and the second preset value may be preset by a technician and stored in the terminal.
- the first preset value may be 12, and the second preset value may be 80%.
- the terminal may calculate the difference between the N gray scales, calculate the sum of the numbers of the N gray scales, and then determine whether the difference between the N gray scales is Exceeding the first preset value, and determining whether the ratio of the sum of the number of the N gray scales to the sum of the total gray scales exceeds a second preset value, if the difference between the N gray scales exceeds the first preset The value, and the ratio of the sum of the number of the N gray scales to the total number of the gray scales exceeds the second preset value, the terminal may determine the brightness adjustment parameter corresponding to the currently displayed interface image, and the brightness adjustment parameter may be a fixed value.
- the interface image is the same for any of the above conditions.
- the first preset value may be 12
- the second preset value may be 80%
- N 2
- the interface image includes 1024 pixels
- the number of grayscales is 30, and the number of grayscales is 100.
- the number of gray levels is 224
- the number of 234 is 234
- the maximum number of gray levels is 30, 234, and the difference of gray levels is 204, which exceeds the first preset value.
- the sum of the two gray levels is equal to 924, which accounts for all gray levels.
- the ratio of the sum of the numbers is 90%, and exceeds 80%, and the terminal can determine the brightness adjustment parameter corresponding to the currently displayed interface image.
- the method for determining the brightness adjustment parameter corresponding to the interface image may be as follows:
- the contrast of the interface image is determined, and the brightness adjustment parameter corresponding to the contrast range to which the contrast of the interface image belongs is determined according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter.
- the correspondence between the contrast range and the brightness adjustment parameter is pre-stored in the terminal, and the correspondence may be preset by a technician and stored in the terminal, as shown in Table 1.
- the terminal can use the Gamma response curve to determine the brightness corresponding to the maximum grayscale, that is, the brightness of the brightest content of the interface image, and determine the minimum using the Gamma response curve.
- the brightness corresponding to the gray level is the brightness of the darkest content of the interface image.
- the terminal may obtain a correspondence between the contrast range and the brightness adjustment parameter, firstly, from the correspondence, find the contrast range to which the contrast of the currently displayed interface image belongs, and then determine the contrast range.
- the corresponding brightness adjustment parameter is the brightness adjustment parameter of the currently displayed interface image.
- the method for determining the brightness adjustment parameter corresponding to the interface image based on the ambient light brightness and the contrast of the interface image may be as follows:
- the current ambient light brightness is obtained, and the brightness adjustment parameter corresponding to the interface image is determined according to the current ambient light brightness, the contrast corresponding to the interface image, and the pre-stored contrast range, the corresponding relationship between the ambient light brightness range and the brightness adjustment parameter.
- the correspondence between the ambient light brightness range, the contrast range, and the brightness adjustment parameter is pre-stored in the terminal, and the correspondence may be preset by a technician and stored in the terminal, as shown in Table 2.
- the terminal may obtain a correspondence relationship between the ambient light brightness range, the contrast range and the brightness adjustment parameter, and firstly, from the correspondence relationship, find the contrast range to which the contrast of the currently displayed interface image belongs. And then searching for the ambient light brightness range to which the current ambient light brightness belongs, and then searching for the brightness range adjustment parameter corresponding to the determined contrast range and the ambient light brightness range from the corresponding relationship, that is, the brightness adjustment parameter of the currently displayed interface image .
- the method for determining the brightness adjustment parameter corresponding to the interface image based on the current backlight brightness and the contrast of the interface image may be as follows:
- the correspondence between the ambient light brightness range, the contrast range and the brightness adjustment parameter is pre-stored in the terminal, and the correspondence may be preset by a technician and stored in the terminal.
- the terminal may obtain a correspondence between the backlight brightness range, the contrast range, and the brightness adjustment parameter, and firstly, from the correspondence, search for a contrast range to which the contrast of the currently displayed interface image belongs. Then, the backlight brightness range to which the current backlight brightness belongs is searched, and then the brightness adjustment parameter corresponding to the determined contrast range and the backlight brightness range is searched for from the corresponding relationship, that is, the brightness adjustment parameter of the currently displayed interface image.
- step 105 the current backlight brightness is lowered based on the brightness adjustment parameter.
- the terminal may determine the current of the current backlight source (ie, the backlight), and then use the current of the backlight source to determine the corresponding backlight brightness, that is, the current The brightness of the backlight is then used to reduce the current backlight brightness by using the brightness adjustment parameter corresponding to the currently displayed interface image. After the reduction, the current of the corresponding backlight source is also reduced, thereby reducing the power consumption of the terminal.
- the current of the current backlight source ie, the backlight
- the brightness adjustment parameter may be adjusting brightness
- the corresponding step 102 may be processed as follows:
- the current backlight brightness is subtracted from the adjusted brightness corresponding to the interface image to obtain a reduced backlight brightness.
- the brightness adjustment parameter may be adjusting brightness, such as 10 lux.
- the terminal may determine the current of the current backlight source, and then use the current of the backlight source to determine the corresponding backlight brightness, that is, the current backlight brightness.
- the brightness of the backlight is reduced by using the current backlight brightness minus the adjusted brightness.
- the backlight is used to determine the corresponding current, and the current is applied to the backlight source.
- the brightness of the backlight is the brightness of the backlight after the reduction, and the brightness of the backlight can be reduced.
- the current backlight brightness is 100 lux
- the brightness is adjusted to 10 lux
- the reduced backlight brightness is 90 lux.
- the brightness adjustment parameter may be an adjustment ratio
- the corresponding processing of step 105 may be as follows:
- the current backlight brightness is reduced based on the adjustment ratio.
- the brightness adjustment parameter may be an adjustment ratio, such as 10%.
- the terminal may determine the current of the current backlight source, and then use the current of the backlight source to determine the corresponding backlight brightness, that is, the current backlight brightness.
- the adjustment ratio is reduced on the basis of the current backlight brightness, that is, the product of the current backlight brightness and the adjustment ratio corresponding to the interface image is calculated, and then the current backlight brightness is subtracted from the calculated product to obtain the reduced backlight brightness, or Multiply the current backlight brightness by the adjustment ratio corresponding to the interface image to obtain the reduced backlight brightness. Then, the backlight is used to determine the corresponding current, and the current is applied to the backlight source.
- the brightness of the backlight is the brightness of the backlight after the reduction, and the brightness of the backlight can be reduced.
- the current backlight brightness is 100 lux
- the adjustment ratio is 10%
- the reduced backlight brightness is 100 lux* (1-10)%, that is, 90 lux.
- the current backlight brightness is 100 lux
- the adjustment ratio is 90%
- the adjusted backlight brightness is 100 lux * 90%, that is, 90 lux.
- a rule for setting a brightness adjustment parameter is also provided:
- the technician when setting the correspondence between the contrast range and the brightness adjustment parameter, the technician generally lowers the brightness of the backlight for the interface with higher contrast, and does not process the brightness of the backlight for the content with lower contrast, or compare the brightness of the backlight. less.
- the interface image with relatively high contrast has a chat window, a word document, and a mailbox interface.
- the interface image with a low contrast ratio has a product list interface in the shopping application.
- the currently displayed interface image is obtained, and the gray scale to which all the pixel points of the interface image belong respectively is determined.
- the number of each gray scale is determined, and the largest number of N is obtained.
- Gray scale where N is a preset positive integer, if the difference between the N gray scales with the largest number exceeds the first preset value, and the sum of the number of the most N gray scales accounts for all gray scales If the ratio of the sum of the numbers exceeds the second preset value, the brightness adjustment parameter corresponding to the interface image is determined, and the current backlight brightness is lowered based on the brightness adjustment parameter. In this way, when displaying certain interface images, the backlight brightness can be reduced, thereby reducing the current of the backlight source, thereby reducing power consumption, and providing a method for reducing the power consumption of the screen of the mobile phone.
- another exemplary embodiment of the present disclosure further provides an apparatus for displaying an interface image.
- the apparatus includes:
- the obtaining module 310 is configured to acquire an currently displayed interface image, and determine a gray level to which all pixel points of the interface image respectively belong;
- the obtaining module 310 is further configured to determine the number of each gray level in the gray level to which all the pixel points belong respectively;
- the obtaining module 310 is further configured to obtain a maximum number of N gray scales, where N is a preset positive integer;
- the obtaining module 310 is further configured to: if the difference between the N gray scales of the largest number exceeds a first preset value, and the sum of the number of the N largest gray scales accounts for all gray scales And determining, by the ratio of the sum of the numbers, a brightness adjustment parameter corresponding to the interface image;
- the adjustment module 320 is configured to reduce the current backlight brightness based on the brightness adjustment parameter.
- the obtaining module 310 is further configured to:
- the brightness adjustment parameter corresponding to the contrast range to which the contrast of the interface image belongs is determined according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter.
- the obtaining module 310 is further configured to:
- the obtaining module 310 is further configured to:
- the obtaining module 310 is further configured to:
- the obtaining module 310 is further configured to:
- the brightness adjustment parameter is to adjust brightness
- the adjustment module 320 is configured to:
- the current backlight brightness is subtracted from the adjusted brightness corresponding to the interface image to obtain a reduced backlight brightness.
- the brightness adjustment parameter is an adjustment ratio
- the adjustment module 320 is configured to:
- the device further includes:
- mapping module 330 configured to map the interface image to an HSV space or a YUV space
- the obtaining module 310 is configured to:
- the currently displayed interface image is obtained, and the gray scale to which all the pixel points of the interface image belong respectively is determined.
- the number of each gray scale is determined, and the largest number of N is obtained.
- Gray scale where N is a preset positive integer, if the difference between the N gray scales with the largest number exceeds the first preset value, and the sum of the number of the most N gray scales accounts for all gray scales If the ratio of the sum of the numbers exceeds the second preset value, the brightness adjustment parameter corresponding to the interface image is determined, and the current backlight brightness is lowered based on the brightness adjustment parameter. In this way, when displaying certain interface images, the backlight brightness can be reduced, thereby reducing the current of the backlight source, thereby reducing power consumption, and providing a method for reducing the power consumption of the screen of the mobile phone.
- the device for displaying an interface image provided by the above embodiment when used to display the interface image, only the division of each functional module is used for example. In an actual application, the function may be assigned different functions according to needs.
- the module is completed, and the internal structure of the device that displays the interface image is divided into different functional modules to complete all or part of the functions described above.
- the device for displaying the interface image provided by the above embodiment is the same as the method for displaying the interface image. The specific implementation process is described in detail in the method embodiment, and details are not described herein again.
- the terminal can be a mobile phone or the like.
- terminal 500 can include one or more of the following components: processing component 602, memory 604, power component 606, multimedia component 608, audio component 610, input/output (I/O) interface 612, sensor component 614, And a communication component 616.
- processing component 602 memory 604, power component 606, multimedia component 608, audio component 610, input/output (I/O) interface 612, sensor component 614, And a communication component 616.
- Processing component 602 typically controls the overall operations of terminal 500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- Processing component 602 can include one or more processors 620 to execute instructions to perform all or part of the steps described above.
- processing component 602 can include one or more modules to facilitate interaction between component 602 and other components.
- processing component 602 can include a multimedia module to facilitate interaction between multimedia component 608 and processing component 602.
- the memory 604 is configured to store various types of data to support operation at the terminal 500. Examples of such data include instructions for any application or method operating on terminal 500, contact data, phone book data, messages, pictures, videos, and the like.
- the memory 604 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk or Optical Disk.
- Power component 606 provides power to various components of terminal 500.
- Power component 606 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the audio output device.
- the multimedia component 608 includes a screen between the terminal 500 and the user that provides an output interface.
- the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
- the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
- the multimedia component 608 includes a front camera and/or a rear camera. When the terminal 500 is in an operation mode such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 610 is configured to output and/or input an audio signal.
- the audio component 610 includes a microphone (MIC) that is configured to receive an external audio signal when the audio output device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in memory 604 or transmitted via communication component 616.
- the I/O interface 612 provides an interface between the processing component 602 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
- Sensor assembly 614 includes one or more sensors for providing terminal 500 with various aspects of status assessment.
- sensor component 614 can detect an open/closed state of terminal 500, a relative positioning of components, such as the display and keypad of terminal 500, and sensor component 614 can also detect a change in position of a component of terminal 500 or terminal 500. The presence or absence of contact of the user with the terminal 500, the orientation or acceleration/deceleration of the terminal 500, and the temperature change of the terminal 500.
- Sensor assembly 614 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- Sensor assembly 614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor component 614 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 616 is configured to facilitate wired or wireless communication between terminal 500 and other devices.
- the terminal 500 can access a wireless network based on a communication standard such as WiFi, 2G or 3G, or a combination thereof.
- communication component 616 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
- the communication component 616 also includes a near field communication (NFC) module to facilitate short-range communication.
- NFC near field communication
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- terminal 500 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A gate array
- controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
- non-transitory computer readable storage medium comprising instructions, such as a memory 604 comprising instructions executable by processor 620 of terminal 500 to perform the above method.
- the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
- a non-transitory computer readable storage medium when instructions in the storage medium are executed by a processor of a terminal, enabling the terminal to perform the method described above, the method comprising:
- N is a preset positive integer
- the current backlight brightness is lowered based on the brightness adjustment parameter.
- the determining the brightness adjustment parameter corresponding to the interface image includes:
- the brightness adjustment parameter corresponding to the contrast range to which the contrast of the interface image belongs is determined according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter.
- the determining, according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter, determining a brightness adjustment parameter corresponding to a contrast range to which the contrast of the interface image belongs includes:
- the determining, according to the correspondence between the pre-stored contrast range and the brightness adjustment parameter, determining a brightness adjustment parameter corresponding to a contrast range to which the contrast of the interface image belongs includes:
- the method before the determining the gray level to which all the pixel points of the interface image belong, the method further includes:
- the method before the determining the gray level to which all the pixel points of the interface image belong, the method further includes:
- the brightness adjustment parameter is to adjust brightness
- the reducing, according to the brightness adjustment parameter, the current backlight brightness including:
- the current backlight brightness is subtracted from the adjusted brightness corresponding to the interface image to obtain a reduced backlight brightness.
- the brightness adjustment parameter is an adjustment ratio
- the reducing, according to the brightness adjustment parameter, the current backlight brightness including:
- the method before the determining the gray level to which all the pixel points of the interface image belong, the method further includes:
- the determining the gray level to which all the pixel points of the interface image belong respectively includes:
- the currently displayed interface image is obtained, and the gray scale to which all the pixel points of the interface image belong respectively is determined.
- the number of each gray scale is determined, and the largest number of N is obtained.
- Gray scale where N is a preset positive integer, if the difference between the N gray scales with the largest number exceeds the first preset value, and the sum of the number of the most N gray scales accounts for all gray scales If the ratio of the sum of the numbers exceeds the second preset value, the brightness adjustment parameter corresponding to the interface image is determined, and the current backlight brightness is lowered based on the brightness adjustment parameter. In this way, when displaying certain interface images, the backlight brightness can be reduced, thereby reducing the current of the backlight source, thereby reducing power consumption, and providing a method for reducing the power consumption of the screen of the mobile phone.
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Abstract
Description
对比度范围 | 亮度调整参数 |
5~6 | 亮度调整参数1 |
6~7 | 亮度调整参数2 |
7~8 | 亮度调整参数3 |
… | … |
Claims (20)
- 一种显示界面图像的方法,其特征在于,所述方法包括:获取当前显示的界面图像,确定所述界面图像的全部像素点分别所属的灰阶;在所述全部像素点分别所属的灰阶中,确定每个灰阶的数目;获取数目最大的N个灰阶,其中,N为预设正整数;如果所述数目最大的N个灰阶之间的差值均超过第一预设数值,且所述数目最大的N个灰阶的数目总和占全部灰阶的数目总和的比例超过第二预设数值,则确定所述界面图像对应的亮度调整参数;基于所述亮度调整参数,对当前的背光亮度进行降低。
- 根据权利要求1所述的方法,其特征在于,所述确定所述界面图像对应的亮度调整参数,包括:确定所述界面图像的对比度;根据预先存储的对比度范围与亮度调整参数的对应关系,确定所述界面图像的对比度所属的对比度范围对应的亮度调整参数。
- 根据权利要求2所述的方法,其特征在于,所述根据预先存储的对比度范围与亮度调整参数的对应关系,确定所述界面图像的对比度所属的对比度范围对应的亮度调整参数,包括:获取当前的环境光亮度;根据所述当前的环境光亮度、所述界面图像对应的对比度、以及预先存储的对比度范围、环境光亮度范围与亮度调整参数的对应关系,确定所述界面图像对应的亮度调整参数。
- 根据权利要求2所述的方法,其特征在于,所述根据预先存储的对比度范围与亮度调整参数的对应关系,确定所述界面图像的对比度所属的对比度范围对应的亮度调整参数,包括:获取当前的背光亮度;根据所述当前的背光亮度、所述界面图像对应的对比度、以及预先存储的对比度范围、背光亮度范围与亮度调整参数的对应关系,确定所述界面图像对应的亮度调整参数。
- 根据权利要求1所述的方法,其特征在于,所述确定所述界面图像的全部像素点分别所属的灰阶之前,还包括:获取当前的环境光亮度;确定所述当前的环境光亮度在预设亮度范围内。
- 根据权利要求1所述的方法,其特征在于,所述确定所述界面图像的全部像素点分别所属的灰阶之前,还包括:获取当前的背光亮度;确定所述当前的背光亮度大于第三预设数值。
- 根据权利要求1至6任一所述的方法,其特征在于,所述亮度调整参数为调整亮 度;所述根据所述亮度调整参数,对当前的背光亮度进行降低,包括:将所述当前的背光亮度减去所述界面图像对应的调整亮度,得到降低后的背光亮度。
- 根据权利要求1至6任一所述的方法,其特征在于,所述亮度调整参数为调整比例;所述根据所述亮度调整参数,对当前的背光亮度进行降低,包括:将所述当前的背光亮度乘以所述界面图像对应的调整比例,得到降低后的背光亮度;或者,计算所述当前的背光亮度与所述界面图像对应的调整比例的乘积,将所述当前的背光亮度减去所述乘积,得到降低后的背光亮度。
- 根据权利要求1所述的方法,其特征在于,所述确定所述界面图像的全部像素点分别所属的灰阶之前,还包括:将所述界面图像映射至HSV空间或YUV空间;所述确定所述界面图像的全部像素点分别所属的灰阶,包括:基于所述HSV空间的亮度信息或所述YUV空间的亮度信息,确定所述界面图像的全部像素点分别所属的灰阶。
- 一种显示界面图像的装置,其特征在于,所述装置包括:获取模块,用于获取当前显示的界面图像,确定所述界面图像的全部像素点分别所属的灰阶;所述获取模块,还用于在所述全部像素点分别所属的灰阶中,确定每个灰阶的数目;所述获取模块,还用于获取数目最大的N个灰阶,其中,N为预设正整数;所述获取模块,还用于如果所述数目最大的N个灰阶之间的差值均超过第一预设数值,且所述数目最大的N个灰阶的数目总和占全部灰阶的数目总和的比例超过第二预设数值,则确定所述界面图像对应的亮度调整参数;调节模块,用于基于所述亮度调整参数,对当前的背光亮度进行降低。
- 根据权利要求10所述的装置,其特征在于,所述获取模块,还用于:确定所述界面图像的对比度;根据预先存储的对比度范围与亮度调整参数的对应关系,确定所述界面图像的对比度所属的对比度范围对应的亮度调整参数。
- 根据权利要求11所述的装置,其特征在于,所述获取模块,还用于:获取当前的环境光亮度;根据所述当前的环境光亮度、所述界面图像对应的对比度、以及预先存储的对比度范围、环境光亮度范围与亮度调整参数的对应关系,确定所述界面图像对应的亮度调整参数。
- 根据权利要求11所述的装置,其特征在于,所述获取模块,还用于:获取当前的背光亮度;根据所述当前的背光亮度、所述界面图像对应的对比度、以及预先存储的对比度范围、背光亮度范围与亮度调整参数的对应关系,确定所述界面图像对应的亮度调整参数。
- 根据权利要求10所述的装置,其特征在于,所述获取模块,还用于:获取当前的环境光亮度;确定所述当前的环境光亮度在预设亮度范围内。
- 根据权利要求10所述的装置,其特征在于,所述获取模块,还用于:获取当前的背光亮度;确定所述当前的背光亮度大于第三预设数值。
- 根据权利要求10至15任一所述的装置,其特征在于,所述亮度调整参数为调整亮度;所述调节模块,用于:将所述当前的背光亮度减去所述界面图像对应的调整亮度,得到降低后的背光亮度。
- 根据权利要求10至15任一所述的装置,其特征在于,所述亮度调整参数为调整比例;所述调节模块,用于:将所述当前的背光亮度乘以所述界面图像对应的调整比例,得到降低后的背光亮度;或者,计算所述当前的背光亮度与所述界面图像对应的调整比例的乘积,将所述当前的背光亮度减去所述乘积,得到降低后的背光亮度。
- 根据权利要求10所述的装置,其特征在于,所述装置还包括:映射模块,用于将所述界面图像映射至HSV空间或YUV空间;所述获取模块,用于:基于所述HSV空间的亮度信息或所述YUV空间的亮度信息,确定所述界面图像的全部像素点分别所属的灰阶。
- 一种计算机可读存储介质,其特征在于,所述存储介质中存储有至少一条指令、至少一段程序、代码集或指令集,所述至少一条指令、所述至少一段程序、所述代码集或指令集由所述处理器加载并执行以实现如权利要求1至9任一所述的显示界面图像的方法。
- 一种显示界面图像的装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有至少一条指令、至少一段程序、代码集或指令集,所述至少一条指令、所述至少一段程序、所述代码集或指令集由所述处理器加载并执行以实现如权利要求1至9任一所述的显示界面图像的方法。
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EP3789995A1 (en) | 2021-03-10 |
KR20190088000A (ko) | 2019-07-25 |
US20190172417A1 (en) | 2019-06-06 |
JP7166171B2 (ja) | 2022-11-07 |
KR102207636B1 (ko) | 2021-01-26 |
RU2704724C1 (ru) | 2019-10-30 |
EP3496085A1 (en) | 2019-06-12 |
JP2020504831A (ja) | 2020-02-13 |
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