CN103246343A - Method and intelligent terminal for adaptively displaying images - Google Patents
Method and intelligent terminal for adaptively displaying images Download PDFInfo
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- CN103246343A CN103246343A CN2012100311726A CN201210031172A CN103246343A CN 103246343 A CN103246343 A CN 103246343A CN 2012100311726 A CN2012100311726 A CN 2012100311726A CN 201210031172 A CN201210031172 A CN 201210031172A CN 103246343 A CN103246343 A CN 103246343A
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Abstract
An embodiment of the invention provides a method and an intelligent terminal for adaptively displaying images. The method is applied to the intelligent terminal. The intelligent terminal comprises a display screen. The method includes enabling power-saving business logics to detect the type of an image program which currently occupies the display screen; detecting the type of movement of an image corresponding to the image program and computing an image conversion region corresponding to the image program; computing an invert color conversion gain according to the image conversion region; and performing invert color conversion for the image, which is positioned in a frame buffer, of the image program when the invert color conversion gain is higher than an invert color gain threshold value. The method and the intelligent terminal have the advantages that the image conversion region required by the image in the image program is found, the current invert color conversion gain of the image program is computed in the image conversion region, and as functions required for displaying different colors of the images are different, the power consumption for displaying the image again after the image is subjected to invert color conversion is reduced if the invert color conversion gain is higher than the invert color gain threshold value.
Description
Technical field
The present invention relates to image display technology, refer to that especially a kind of self-adaptation shows method and the intelligent terminal of image.
Background technology
Along with the popularization of mobile network's technology and popularizing of intelligent terminal, intelligent terminal becomes consumer's main equipment for surfing the net day by day, large scale, and high-resolution display screen is one of feature that attracts the user.Compare with traditional LCD, active matrix organic light-emitting diode (AMOLED) panel (AM-OLED, Active Matrix/Organic Light Emitting Diode) can provide remarkable picture quality.Although the LCD display that the power consumption of OLED is traditional has relatively had certain improvement, it is about 42% that the power consumption of OLED still occupies in whole intelligent terminal, is only second to the related power consumption of CPU.Along with the user surfs the web for a long time, read, recreation, the power consumption of display screen has become to influence the intelligent terminal key factor in cruising time.
In the prior art, can detect current environmental light brightness by the sensor on incoming call event or the actuation of keys Event triggered intelligent terminal or camera; According to the brightness value of environmental light brightness adjusting display screen, environmental light brightness is more big, intelligent terminal brightness of display screen value is more high; And adjust the demonstration image of display screen according to environmental light brightness size, and environmental light brightness is more big, adjusted value is more high, and adjusted value comprises to the contrast added value of low-light level pixel or to the contrast reduction value of high brightness pixel.This technological incorporation surround lighting induction and image gray-scale level are handled, and surround lighting, display screen, display backlight and keyboard back light be designed to a system, adopt multichannel and efficiently regulative mode system is dynamically controlled, thereby reduce backlight power consumption improving under the prerequisite that the user experiences.
There are the following problems for prior art: though active light emitting display has possessed the multiple method that the power consumption of display screen is controlled, still can not increase considerably the flying power of intelligent terminal.
Summary of the invention
The technical problem to be solved in the present invention provides method and the intelligent terminal that a kind of self-adaptation shows image, is used for solving prior art, and the power consumption of active light emitting display can't be controlled effectively, causes the lower defective of flying power.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of self-adaptation to show the method for image, be applied to intelligent terminal, this intelligent terminal has a display screen, and method comprises: the economize on electricity service logic detects the current type that occupies an image program of described display screen; Detect the image motion type of described image program correspondence, and, the image transitions zone of calculating described image program correspondence; Calculate an inverse conversion gain according to described image transitions zone; When described inverse conversion gain during greater than an inverse gain threshold, the image that is arranged in frame buffer of described image program is carried out the inverse conversion.
In the described method, the economize on electricity service logic detects the current type that occupies an image program of display screen, specifically comprises: the title and the attribute that obtain the program of a current operation from operating system; Described title and attribute and inverse conversion tabulation are mated, and when the match is successful, the program of assert described current operation was described image program; Obtain the type of described image program according to described inverse conversion tabulation or attribute.
In the described method, detect the image motion type of described image program correspondence, specifically comprise: obtain the current image frame in the frame buffer of described image program correspondence; The pixel of described current image frame and the pixel of next picture frame are compared one by one, when the different pixels between two picture frames surpasses a threshold value, think that then described image program is a moving image program.
In the described method, calculate the image transitions zone of described image program correspondence, specifically comprise: judge the color of the pixel that the current image frame in the described frame buffer comprises one by one, when the color of a described pixel was black and white, described pixel belonged to described image transitions zone.
In the described method, calculate an inverse conversion gain according to described image transitions zone, specifically comprise: supplement is carried out in the brightness of each pixel in the described image transitions zone, will be obtained described inverse conversion gain L2 after all complementary operation value additions.
In the described method, when described inverse conversion gain during greater than an inverse gain threshold, the image in the frame buffer is carried out the inverse conversion, specifically comprise: add up the brightness summation of all pixels in the described image transitions zone as described inverse gain threshold L1; When the inverse conversion gain greater than described inverse gain threshold, the brightness of all pixels in the described image transitions zone is replaced with its supplement value, with the pixel after the conversion in the described image transitions zone and the correspondence position that writes described frame buffer respectively of the pixel in the non-image transition region.
A kind of intelligent terminal, this intelligent terminal has a display screen, comprising: the image program detecting unit, for detection of to the current type that occupies an image program of described display screen; Image transitions zone computing unit, for detection of the image motion type of described image program correspondence, and, the image transitions zone of calculating described image program correspondence; Inverse conversion gain unit is used for calculating an inverse conversion gain according to described image transitions zone; Inverse conversion performance element is used for when described inverse conversion gain during greater than an inverse gain threshold, and the image that is arranged in frame buffer of described image program is carried out inverse conversion.
Described intelligent terminal, the image program detecting unit comprises: the system call module, for the title and the attribute that obtain the program of a current operation from operating system; Matching module is used for described title and attribute tabulated with inverse conversion and mates, and when the match is successful, the program of assert described current operation was described image program; Obtain the type of described image program according to described inverse conversion tabulation or attribute.
Described intelligent terminal, inverse conversion gain unit comprises: inverse gain threshold computing module is used for the brightness summation of all pixels in the described image transitions of statistics zone as described inverse gain threshold L1; The complementary operation module is used for supplement is carried out in the brightness of each pixel in described image transitions zone, will obtain described inverse conversion gain L2 after all complementary operation value additions.
Described intelligent terminal, inverse conversion performance element comprises: inverse conversion contrast module, be used for working as the inverse conversion gain greater than described inverse gain threshold, the brightness of all pixels in the described image transitions zone is replaced with its supplement value, frame buffer module is used for the correspondence position that the pixel after the conversion of described image transitions zone and the pixel in the non-image transition region are write described frame buffer respectively.
The beneficial effect of technique scheme of the present invention is as follows: find the needed image transitions of the included image of image program zone, in this image transitions zone, calculate the current inverse conversion gain of image program; Because image shows that the different required functions of color is different, shows that to after the image inverse power consumption of image has obtained reduction if the inverse conversion gain greater than an inverse gain threshold, shows again.
Description of drawings
Fig. 1 represents that a kind of self-adaptation shows the schematic flow sheet of the method for image;
Fig. 2 represents the schematic flow sheet of current operation one browsing page program in the intelligent terminal;
Fig. 3 represents a kind of structural representation of intelligent terminal.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the invention provides a kind of self-adaptation to show the method for image, is applied to intelligent terminal, as shown in Figure 1, comprising:
The technical scheme that provides is provided, is found the needed image transitions of the included image of image program zone, in this image transitions zone, calculate the current inverse conversion gain of image program; Because image shows that the different required functions of color is different, shows that to after the image inverse power consumption of image has obtained reduction if the inverse conversion gain greater than an inverse gain threshold, shows again.
The economize on electricity service logic resides in the internal memory of intelligent terminal usually.
In a preferred embodiment, the economize on electricity service logic detects the current type that occupies an image program of display screen, specifically comprises: the title and the attribute that obtain the program of a current operation from operating system; Described title and attribute and inverse conversion tabulation are mated, and when the match is successful, the program of assert described current operation was image program; Obtain the type of described image program according to inverse conversion tabulation or attribute.
In an application scenarios, set in advance an inverse conversion tabulation in the economize on electricity service logic, listed the title of the application program that is applicable to that webpage or document are read in the table.
The economize on electricity service logic is obtained the current title that occupies the application program of display screen from operating system, traversal inverse conversion tabulation, judge whether current application program belongs to this inverse conversion tabulation, if belong to, then application program is the application program of a text or web page browing type, specifically can be Adobe Pdf or Ucweb.
In a preferred embodiment, the image motion type of detected image program correspondence specifically comprises: obtain the current image frame in the frame buffer of image program correspondence; The pixel of current image frame and the pixel of next picture frame are compared one by one, when the different pixels between two picture frames surpasses a threshold value, think that then image program is a moving image program.
In an application scenarios, the economize on electricity service logic is caught the present frame in the frame buffer, and the frame of the image correspondence of next input carries out Pixel-level relatively together, compare each pixel one by one, if pixels different between two frames is more, when for example having surpassed a threshold value, then think the image that moves, otherwise think static image.If the condition in above-described embodiment all satisfies, think that then image program can be reduced power consumption by inverse conversion.
In a preferred embodiment, the image transitions zone of computed image program correspondence, specifically comprise: judge the color of the pixel that the current image frame in the described frame buffer comprises one by one, when the color of a described pixel was black and white, described pixel belonged to described image transitions zone.
In an application scenarios, delimit the image transitions zone, the image transitions zone is the set that needs to carry out the pixel of inverse on the display screen; The delimitation method in image transitions zone is: individual element is judged its color, if colour element does not then belong to the image transitions zone, if gray scale or monochrome pixels then belong to the image transitions zone.
In a preferred embodiment, calculate an inverse conversion gain according to described image transitions zone, specifically comprise: add up the brightness summation of all pixels in the described image transitions zone as described inverse gain threshold L1; Supplement is carried out in the brightness of each pixel in the described image transitions zone, will be obtained described inverse conversion gain L2 after all complementary operation value additions.
In an application scenarios, after delimiting the image transitions zone, pixel in the image transitions zone is added up, calculate the brightness of each pixel, the summation L1 of the brightness of all pixels is as the inverse gain threshold in the statistical picture transition region, and, complementary operation is carried out in brightness to each pixel, for example, if pixel intensity is 8bit, showing has 8 bits to deposit pixel intensity, and the maximal value of pixel intensity is 2^8 (2 8 powers)-1=255, if current pixel brightness is 64, then the value of complementary operation is 255-64=191.
Obtain inverse conversion gain L2 after the complementary operation value addition of economize on electricity service logic with pixels all in the image transitions zone.
In a preferred embodiment, when described inverse conversion gain during greater than an inverse gain threshold, image in the frame buffer is carried out the inverse conversion, specifically comprise: when the inverse conversion gain greater than described inverse gain threshold, the brightness of all pixels in the described image transitions zone is replaced with its supplement value
With the pixel after the conversion in the described image transitions zone and the correspondence position that writes described frame buffer respectively of the pixel in the non-image transition region.
In an application scenarios, the economize on electricity service logic is L1 and L2 relatively, if L1＜=L2, then do not change, program is not carried out any operation to frame buffer, otherwise the brightness of all pixels in the image transitions zone is replaced with its supplement value, with the pixel after the conversion and the correspondence position that writes frame buffer respectively of the pixel in the non-image transition region.Wherein, calculating conversion gain (L1-L2) can be distinguished intelligent terminal and whether adopt a certain battery saving mode, for example, the intelligent terminal support that has is adjusted the background colour of display screen, changes normally nonsensical again for the image that has adopted battery saving mode.
Image in the display frame buffer memory.
In an application scenarios, as shown in Figure 2, the program of current operation is a browsing page program in the intelligent terminal, and the webpage in the program is image; Process comprises:
Title and attribute and inverse conversion tabulation are mated; When the match is successful, assert that the browsing page program is the application program-image program of a text or web page browing type.
If above-mentioned condition all satisfies, think that then the browsing page program can be by inverse to reduce power consumption.
But can adopt and be not limited to following method and delimit: judge the color of each pixel, if colour element, then this pixel does not belong to the image transitions zone, if gray scale or monochrome pixels, then this pixel belongs to the image transitions zone.
And, complementary operation is carried out in the brightness of each pixel in the image transitions zone, for example, if pixel intensity is 8bit, and current pixel brightness is 64, because 8bit supports to adopt the brightness of 255 bit-identify pixels, so the value of complementary operation is 255-64=191.
Obtain inverse conversion gain L2 after the complementary operation value addition of economize on electricity service logic with pixels all in the image transitions zone.
The economize on electricity service logic is L1 and L2 relatively, if L1＜=L2, then do not change, program is not carried out any operation to frame buffer, otherwise the brightness of all pixels in the image transitions zone is replaced with its supplement value, with the pixel after the conversion and the correspondence position that writes frame buffer respectively of the pixel in the non-image transition region.
The embodiment of the invention provides a kind of intelligent terminal, and as shown in Figure 3, this intelligent terminal has a display screen, comprising:
Image program detecting unit 301 is for detection of to the current type that occupies an image program of described display screen;
Image transitions zone computing unit 302, for detection of the image motion type of described image program correspondence, and, the image transitions zone of calculating described image program correspondence;
Inverse conversion gain unit 303 is used for calculating an inverse conversion gain according to described image transitions zone;
Inverse conversion performance element 304 is used for when described inverse conversion gain during greater than an inverse gain threshold, and the image that is arranged in frame buffer of described image program is carried out inverse conversion.
In a preferred embodiment, image program detecting unit 301 comprises:
The system call module is for the title and the attribute that obtain the program of a current operation from operating system;
Matching module is used for described title and attribute tabulated with inverse conversion and mates, and when the match is successful, the program of assert described current operation was described image program; Obtain the type of described image program according to described inverse conversion tabulation or attribute.
In a preferred embodiment, inverse conversion gain unit 302 comprises:
Inverse gain threshold computing module is used for the brightness summation of all pixels in the described image transitions of statistics zone as described inverse gain threshold L1;
The complementary operation module is used for supplement is carried out in the brightness of each pixel in described image transitions zone, will obtain described inverse conversion gain L2 after all complementary operation value additions.
In a preferred embodiment, inverse conversion performance element 304 comprises:
Inverse conversion contrast module, be used for when the inverse conversion gain greater than described inverse gain threshold, the brightness of all pixels in the described image transitions zone is replaced with its supplement value,
Frame buffer module is used for the correspondence position that the pixel after the conversion of described image transitions zone and the pixel in the non-image transition region are write described frame buffer respectively.
Adopt the advantage after this programme to be: at intelligent terminal operation browsing page etc. similarly during application program, after carrying out technical scheme provided by the invention, what show on the display screen is the effect of black matrix wrongly written or mispronounced character, or dark background colour light color literal, although and traditional demonstration color sensation is had any different, but when the intelligent terminal electric weight is nervous, can significantly reduce power consumption, the cruising time of significant prolongation OLED display screen.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the method for a self-adaptation demonstration image is applied to intelligent terminal, and this intelligent terminal has a display screen, it is characterized in that, method comprises:
The economize on electricity service logic detects the current type that occupies an image program of described display screen;
Detect the image motion type of described image program correspondence, and, the image transitions zone of calculating described image program correspondence;
Calculate an inverse conversion gain according to described image transitions zone;
When described inverse conversion gain during greater than an inverse gain threshold, the image that is arranged in frame buffer of described image program is carried out the inverse conversion.
2. method according to claim 1 is characterized in that, the economize on electricity service logic detects the current type that occupies an image program of display screen, specifically comprises:
From operating system, obtain title and the attribute of the program of a current operation;
Described title and attribute and inverse conversion tabulation are mated, and when the match is successful, the program of assert described current operation was described image program; Obtain the type of described image program according to described inverse conversion tabulation or attribute.
3. method according to claim 1 is characterized in that, detects the image motion type of described image program correspondence, specifically comprises:
Obtain the current image frame in the frame buffer of described image program correspondence;
The pixel of described current image frame and the pixel of next picture frame are compared one by one, when the different pixels between two picture frames surpasses a threshold value, think that then described image program is a moving image program.
4. method according to claim 1 is characterized in that, calculates the image transitions zone of described image program correspondence, specifically comprises:
Judge the color of the pixel that the current image frame in the described frame buffer comprises one by one, when the color of a described pixel was black and white, described pixel belonged to described image transitions zone.
5. method according to claim 1 is characterized in that, calculates an inverse conversion gain according to described image transitions zone, specifically comprises:
Supplement is carried out in the brightness of each pixel in the described image transitions zone, will be obtained described inverse conversion gain L2 after all complementary operation value additions.
6. method according to claim 1 is characterized in that, when described inverse conversion gain during greater than an inverse gain threshold, the image in the frame buffer is carried out the inverse conversion, specifically comprises:
Add up the brightness summation of all pixels in the described image transitions zone as described inverse gain threshold L1;
When the inverse conversion gain greater than described inverse gain threshold, the brightness of all pixels in the described image transitions zone is replaced with its supplement value,
With the pixel after the conversion in the described image transitions zone and the correspondence position that writes described frame buffer respectively of the pixel in the non-image transition region.
7. an intelligent terminal is characterized in that, this intelligent terminal has a display screen, comprising:
The image program detecting unit is for detection of to the current type that occupies an image program of described display screen;
Image transitions zone computing unit, for detection of the image motion type of described image program correspondence, and, the image transitions zone of calculating described image program correspondence;
Inverse conversion gain unit is used for calculating an inverse conversion gain according to described image transitions zone;
Inverse conversion performance element is used for when described inverse conversion gain during greater than an inverse gain threshold, and the image that is arranged in frame buffer of described image program is carried out inverse conversion.
8. intelligent terminal according to claim 7 is characterized in that, the image program detecting unit comprises:
The system call module is for the title and the attribute that obtain the program of a current operation from operating system;
Matching module is used for described title and attribute tabulated with inverse conversion and mates, and when the match is successful, the program of assert described current operation was described image program; Obtain the type of described image program according to described inverse conversion tabulation or attribute.
9. intelligent terminal according to claim 7 is characterized in that, inverse conversion gain unit comprises:
Inverse gain threshold computing module is used for the brightness summation of all pixels in the described image transitions of statistics zone as described inverse gain threshold L1;
The complementary operation module is used for supplement is carried out in the brightness of each pixel in described image transitions zone, will obtain described inverse conversion gain L2 after all complementary operation value additions.
10. intelligent terminal according to claim 7 is characterized in that, inverse conversion performance element comprises:
Inverse conversion contrast module, be used for when the inverse conversion gain greater than described inverse gain threshold, the brightness of all pixels in the described image transitions zone is replaced with its supplement value,
Frame buffer module is used for the correspondence position that the pixel after the conversion of described image transitions zone and the pixel in the non-image transition region are write described frame buffer respectively.
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| CN201210031172.6A CN103246343B (en) | 2012-02-09 | 2012-02-09 | The method of a kind of self adaptation display image and intelligent terminal |
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| CN201210031172.6A CN103246343B (en) | 2012-02-09 | 2012-02-09 | The method of a kind of self adaptation display image and intelligent terminal |
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| WO2015124062A1 (en) * | 2014-02-18 | 2015-08-27 | Tencent Technology (Shenzhen) Company Limited | Page display method and terminal |
| CN110382239A (en) * | 2017-03-13 | 2019-10-25 | 太洋电机产业株式会社 | Control device and check device |
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| CN1921670A (en) * | 2005-08-22 | 2007-02-28 | Lg电子株式会社 | Apparatus and method for displaying a mobile terminal standby screen |
| CN102004541A (en) * | 2010-03-12 | 2011-04-06 | 威盛电子股份有限公司 | Image display system and method |
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| US5576738A (en) * | 1993-09-24 | 1996-11-19 | International Business Machines Corporation | Display apparatus with means for detecting changes in input video |
| CN1921670A (en) * | 2005-08-22 | 2007-02-28 | Lg电子株式会社 | Apparatus and method for displaying a mobile terminal standby screen |
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| WO2015124062A1 (en) * | 2014-02-18 | 2015-08-27 | Tencent Technology (Shenzhen) Company Limited | Page display method and terminal |
| US9984657B2 (en) | 2014-02-18 | 2018-05-29 | Tencent Technology (Shenzhen) Company Limited | Page display method and terminal |
| US10089957B2 (en) | 2014-02-18 | 2018-10-02 | Tencent Technology (Shenzhen) Company Limited | Page display method and terminal |
| CN110382239A (en) * | 2017-03-13 | 2019-10-25 | 太洋电机产业株式会社 | Control device and check device |
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