CN115439354A - Display improvement method, system, terminal and storage medium based on total color blindness - Google Patents

Abstract

The invention discloses a display improvement method, a system, a terminal and a storage medium based on total color blindness, wherein the method comprises the following steps: acquiring brightness information of each partitioned image, and obtaining a first image brightness matrix based on the brightness information; acquiring the maximum brightness and the minimum brightness of the first image brightness matrix, and calculating the difference value between the maximum brightness and the minimum brightness; and converting the first image brightness matrix based on the difference value to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to finish image display. The invention obtains the image more suitable for the full-color blind crowd through the segmented brightness conversion function based on the visual characteristics of the full-color blind crowd, provides an individualized watching mode for the full-color blind special user, brings more comfortable watching experience, and improves the happiness index of the full-color blind special user.

Description

A display improvement method, system, terminal and storage medium based on achromatopsia

technical field

The present invention relates to the technical field of displaying terminal scenes, and in particular to a display improvement method, system, terminal and storage medium based on panchromatic blindness.

Background technique

Color weakness, also known as "abnormal trichromatic vision", can recognize colors but has low sensitivity, and can only distinguish changes in hue when there is a large difference in wavelength; color blindness (color blindness) is usually called congenital color vision impairment. Inability to distinguish various colors or a certain color in the natural spectrum; achromatopsia is a complete cone cell dysfunction, which is just the opposite of night blindness (rod cell dysfunction). Day blindness, there are three photosensitive pigments in the cone cells on the retina, which can help recognize the three primary colors of red, green and blue, as shown in Figure 1 L (long wave)/M (medium wave)/S (short wave), and when the retina lacks a certain People who cannot distinguish one or several colors at all when they have one photosensitive pigment are called color blind patients in medicine. If they cannot be sensitive to three colors, they are panchromatic patients. The colorful world in the eyes of patients with achromatopsia is gray and dark, just like watching black and white TV, there is only light and shade, but no color difference; and the incidence of color weakness and color blindness in my country is about 5% to 8% for men and 0.5 to 1% for women. %; About 6% of the population is trichromatic (color blindness), about 2% of the population is dichromatic (color blind), and some are monochromatic (full color blind).

The existing technology is to increase the range of target pixels (red, green, blue pixels) on the display, and call the target mode to improve the visual experience of the target population. Therefore, it is necessary to customize different display screens for different target groups, and the cost Expensive and inflexible, it has a certain effect on improving color blindness, but has little effect on improving color blindness; there is no suitable display improvement technology for panchromatic blind groups; therefore, the existing technology cannot provide suitable display images for panchromatic blind groups .

Therefore, the prior art still needs to be improved and developed.

Contents of the invention

The main purpose of the present invention is to provide a display improvement method, system, terminal and storage medium based on panchromatic blindness, aiming to solve the problem in the prior art that suitable display images cannot be provided to panchromatic blind people.

In order to achieve the above object, the present invention provides a display improvement method based on achromatopsia, which includes the following steps:

Acquiring brightness information of each partition image, and obtaining a first image brightness matrix based on the brightness information;

Obtaining the maximum brightness and the minimum brightness of the brightness matrix of the first image, and calculating the difference between the maximum brightness and the minimum brightness;

Converting the first image brightness matrix based on the difference to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to complete image display.

Optionally, the method for improving display based on panchromatic blindness, wherein the acquiring the brightness information of each partition image, and obtaining the brightness matrix of the first image based on the brightness information specifically includes:

Obtaining the image stored by the image processing chip, and dividing the image to obtain multiple partitioned images;

Obtaining the brightness average of each partition image based on the plurality of partition images, and constructing the first image brightness matrix based on the brightness average.

Optionally, the display improvement method based on panchromatic blindness, wherein the brightness matrix of the first image is:

Wherein, Z represents the brightness matrix of the first image, C represents the number of backlight partitions on the horizontal axis of the image, D represents the number of backlight partitions on the vertical axis of the image, and Z _CD represents the brightness of the Cth horizontal and D vertical partitions in the first image brightness matrix , and the brightness range of Z _CD is (0, 255).

Optionally, in the method for improving display based on panchromatic blindness, wherein, converting the first image brightness matrix based on the difference value to obtain a second image brightness matrix, and converting the second image brightness matrix Transfer to the display to complete the image display, including:

Selecting a corresponding brightness conversion formula based on the magnitude of the difference and the maximum brightness, or selecting a corresponding brightness conversion formula based on the magnitude of the difference and the interval to which the maximum brightness and the minimum brightness belong;

Based on the brightness conversion formula, converting the first image brightness matrix to obtain a second image brightness matrix;

The brightness matrix of the second image is transmitted to the backlight partition control module to obtain a new image, and the new image is transmitted to the display to complete the display.

Optionally, in the display improvement method based on panchromatic blindness, wherein the corresponding brightness conversion formula is selected based on the magnitude of the difference and the maximum brightness, wherein the brightness conversion formula is:

If ΔZ≧120, or Zmax≧200, then Z′=Z;

Wherein, Z represents the brightness matrix of the first image, Zmax represents the maximum brightness of the brightness matrix of the first image, ΔZ represents the difference between the maximum brightness and the minimum brightness, and Z′ represents the brightness matrix of the second image.

Optionally, the display improvement method based on panchromatic blindness, wherein, the brightness conversion formula corresponding to the range selected based on the magnitude of the difference and the interval between the maximum brightness and the minimum brightness is selected, wherein the The brightness conversion formula includes:

If ΔZ<120 and [Zmin, Zmax]∈[0,120], then

其中，β1的范围为(10，14)；If ΔZ<120 and [Zmin, Zmax]∈[20,140], then

Among them, the range of β1 is (10, 14);

其中，β2的范围为(14，18)；If ΔZ<120 and [Zmin, Zmax]∈[40,160], then

Among them, the range of β2 is (14, 18);

其中，β3可的范围为(18，22)；If ΔZ<120 and [Zmin, Zmax]∈[60,180], then

Among them, the possible range of β3 is (18, 22);

其中，β4的范围为(22，26)；If ΔZ<120 and [Zmin, Zmax]∈[80,200], then

Among them, the range of β4 is (22, 26);

Wherein, Z represents the brightness matrix of the first image, Zmax represents the maximum brightness of the brightness matrix of the first image, Zmin represents the minimum brightness of the brightness matrix of the first image, and ΔZ represents the difference between the maximum brightness and the minimum brightness , Z' represents the brightness matrix of the second image, β1 represents the first adjustment factor, β2 represents the second adjustment factor, β3 represents the third adjustment factor, and β4 represents the fourth adjustment factor.

Optionally, the display improvement method based on panchromatic blindness, wherein the second image brightness matrix is:

Wherein, Z' represents the brightness matrix of the second image, C represents the number of backlight partitions on the horizontal axis of the image, D represents the number of backlight partitions on the vertical axis of the image, and Z' _CD represents the Cth horizontal D vertical partition in the second image brightness matrix brightness.

Optionally, the display improvement method based on achromatopsia, wherein the display improvement system based on achromatopsia includes:

The video input module is used to input the video that the user wants to watch;

A user mode selection module, configured to switch between different viewing modes, wherein the viewing modes include a normal mode and a color-blind mode;

The signal processing chip is used to process the image brightness matrix of the video under the panchromatic mode, wherein the signal processing chip includes a brightness matrix calculation module, a brightness matrix information identification module and a brightness matrix conversion module;

The brightness matrix calculation module is used to calculate the brightness of each subregion of the first image;

The brightness matrix information identification module is used to identify the maximum brightness, the minimum brightness and the difference between the maximum brightness and the minimum brightness of the brightness matrix of the first image;

The luminance matrix conversion module is configured to select a corresponding conversion formula based on the relationship between the maximum luminance, the minimum luminance and the magnitude of the difference, and use the conversion formula to convert the brightness matrix of the first image Perform conversion to obtain the second image brightness matrix;

A backlight partition driver module, configured to receive the second image brightness matrix transmitted through the bus, and adjust the image brightness of the video based on the second image brightness matrix to obtain a new video image brightness;

The display module is used to display the input video on the display based on the brightness of the new video image.

In addition, in order to achieve the above object, the present invention also provides a terminal, wherein the terminal includes: a memory, a processor, and a display improvement program based on achromatopsia that is stored in the memory and can run on the processor When the achromatopsia-based display improvement program is executed by the processor, the steps of the above-mentioned achromatopsia-based display improvement method are implemented.

In addition, in order to achieve the above object, the present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a display improvement program based on achromatic blindness, and the display improvement program based on achromatic blindness is processed by the processor During execution, the steps of the display improvement method based on achromatopsia as described above are realized.

The present invention obtains the brightness information of the partition image, and obtains the first image brightness matrix based on the brightness information; obtains the maximum brightness and the minimum brightness of the first image brightness matrix, and calculates the maximum brightness and the minimum brightness difference: converting the first image brightness matrix based on the difference to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to complete image display. Based on the visual characteristics of panchromatic people, the present invention obtains images that are more suitable for panchromatic people through segmented brightness conversion functions, and provides a personalized viewing mode for special panchromatic users, bringing more comfortable viewing Experience and improve the happiness index of special users with full color blindness.

Description of drawings

Fig. 1 is a schematic diagram of the wavelengths of the three primary colors of red, green and blue in the prior art;

Fig. 2 is a flow chart of a preferred embodiment of the display improvement method based on achromatopsia in the present invention;

Fig. 3 is a flowchart of step S10 in a preferred embodiment of the display improvement method based on achromatopsia in the present invention;

Fig. 4 is a flowchart of step S30 in a preferred embodiment of the display improvement method based on achromatopsia in the present invention;

Fig. 5 is a schematic diagram of the overall flow of the display improvement system based on achromatopsia in the present invention;

Fig. 6 is a schematic diagram of an operating environment of a preferred embodiment of the terminal of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second" and so on in the embodiments of the present invention, the descriptions of "first", "second" and so on are only for descriptive purposes, and should not be interpreted as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

The display improvement method based on achromatopsia described in a preferred embodiment of the present invention, as shown in FIG. 2 , the display improvement method based on achromatopsia includes the following steps:

Step S10 , acquiring luminance information of the subregion image, and obtaining a luminance matrix of the first image based on the luminance information.

Please refer to FIG. 3 for the specific process, which is a flow chart of step S10 in the display improvement method based on achromatopsia provided by the present invention.

As shown in Figure 3, the step S10 includes:

Step S11, acquiring the image stored by the image processing chip, and dividing the image to obtain a plurality of partitioned images;

Step S12, obtaining the average brightness of each sub-regional image based on the plurality of sub-regional images, and constructing the first image brightness matrix based on the average brightness.

Specifically, after the image processing chip accesses the image of one frame, the image stored by the image processing chip is obtained, and the image is equally divided to obtain partitioned images, (for example, the image is divided into C*D Partition image, wherein, C refers to the equal division of C districts in the direction of the horizontal axis, and D refers to the equal division of D districts in the direction of the vertical axis.) Obtain each partition image based on a plurality of said partition images an average brightness value, and construct the first image brightness matrix based on the average brightness value.

Wherein, the brightness matrix of the first image is:

Wherein, Z represents the brightness matrix of the first image, C represents the number of backlight partitions on the horizontal axis of the image, D represents the number of backlight partitions on the vertical axis of the image, and Z _CD represents the brightness of the Cth horizontal and D vertical partitions in the first image brightness matrix , and the brightness range of Z _CD is (0, 255).

Step S20, obtaining the maximum brightness and the minimum brightness of the brightness matrix of the first image, and calculating the difference between the maximum brightness and the minimum brightness.

Specifically, acquire the maximum brightness and minimum brightness of the brightness matrix of the first image, and make a difference between the maximum brightness and the minimum brightness to obtain a difference value, and combine the maximum brightness and the minimum brightness according to the difference of the difference The range to which the minimum brightness belongs is used to select a brightness conversion formula.

Step S30 , converting the first image luminance matrix based on the difference value to obtain a second image luminance matrix, and transmitting the second image luminance matrix to a display to complete image display.

For the specific process, please refer to FIG. 4 , which is a flow chart of step S30 in the display improvement method based on achromatopsia provided by the present invention.

As shown in Figure 4, the step S30 includes:

Step S31, selecting a corresponding brightness conversion formula based on the magnitude of the difference and the maximum brightness, or selecting a corresponding brightness conversion formula based on the magnitude of the difference and the interval to which the maximum brightness and the minimum brightness belong;

Step S32. Based on the brightness conversion formula, convert the brightness matrix of the first image to obtain a brightness matrix of the second image;

Step S33 , transmitting the brightness matrix of the second image to the backlight partition control module to obtain a new image, and transmitting the new image to the display to complete the display.

若ΔZ<120且[Zmin，Zmax]∈[20，140]，则

其中，β1的范围为(10，14)；若ΔZ<120且[Zmin，Zmax]∈[40，160]，则

其中，β2的范围为(14，18)；若ΔZ<120且[Zmin，Zmax]∈[60，180]，则

其中，β3的范围为(18，22)；若ΔZ<120且[Zmin，Zmax]∈[80，200]，则

其中，β4的范围为(22，26)；其中，Z表示第一图像亮度矩阵，Zmax表示所述第一图像亮度矩阵的最大亮度，Zmin表示所述第一图像亮度矩阵的最小亮度，ΔZ表示所述最大亮度与所述最小亮度的差值，Z′表示为第二图像亮度矩阵，β1表示第一调节因子，β2表示第二调节因子，β3表示第三调节因子，β4表示第四调节因子；根据所述亮度转换公式，对所述第一图像亮度矩阵进行转换得到第二图像亮度矩阵，转换的目的是较大限度的增大相对于全盲人群为黑白图像的对比度，让全盲人群能够得到更好的观影体验；将所述第二图像亮度矩阵传输通过总线传输给背光分区控制模块，所述背光分区控制模块控制显示器的图像显示效果。Specifically, the corresponding brightness conversion formula is selected based on the magnitude of the difference and the maximum brightness. If ΔZ≧120, or Zmax≧200, then Z′=Z, where Z represents the brightness matrix of the first image, and Zmax represents The maximum brightness of the first image brightness matrix, ΔZ represents the difference between the maximum brightness and the minimum brightness, and Z' represents the second image brightness matrix; or based on the size of the difference, and the maximum brightness A brightness conversion formula corresponding to the selection of the interval to which the minimum brightness belongs, the brightness conversion formula includes: if ΔZ<120 and [Zmin, Zmax]∈[0,120], then

If ΔZ<120 and [Zmin, Zmax]∈[20,140], then

Among them, the range of β1 is (10, 14); if ΔZ<120 and [Zmin, Zmax] ∈ [40, 160], then

Among them, the range of β2 is (14, 18); if ΔZ<120 and [Zmin, Zmax]∈[60, 180], then

Among them, the range of β3 is (18, 22); if ΔZ<120 and [Zmin, Zmax]∈[80, 200], then

Wherein, the range of β4 is (22, 26); wherein, Z represents the brightness matrix of the first image, Zmax represents the maximum brightness of the brightness matrix of the first image, Zmin represents the minimum brightness of the brightness matrix of the first image, and ΔZ represents The difference between the maximum brightness and the minimum brightness, Z' is expressed as the second image brightness matrix, β1 represents the first adjustment factor, β2 represents the second adjustment factor, β3 represents the third adjustment factor, and β4 represents the fourth adjustment factor ; According to the brightness conversion formula, the brightness matrix of the first image is converted to obtain the brightness matrix of the second image. The purpose of the conversion is to increase the contrast of the black and white image relative to the completely blind people to the greatest extent, so that the completely blind people can get Better viewing experience: the brightness matrix of the second image is transmitted to the backlight partition control module through the bus, and the backlight partition control module controls the image display effect of the display.

Further, the brightness matrix of the second image is:

Wherein, Z' represents the brightness matrix of the second image, C represents the number of backlight partitions on the horizontal axis of the image, D represents the number of backlight partitions on the vertical axis of the image, and Z' _CD represents the Cth horizontal D vertical partition in the second image brightness matrix brightness.

Further, as shown in Fig. 5, based on the above display improvement method based on achromatopsia, the present invention also provides a display improvement system based on achromatopsia correspondingly, and the display improvement system based on achromatopsia includes:

Video input module 51, for inputting the video that the user will watch;

A user mode selection module 52, configured to switch between different viewing modes, wherein the viewing modes include a normal mode and a color-blind mode;

The signal processing chip 53 is used to process the image luminance matrix of the video in full color blindness mode, wherein the signal processing chip includes a luminance matrix calculation module 101, a luminance matrix information identification module 102 and a luminance matrix conversion module 103;

The brightness matrix calculation module 101 is used to calculate the difference between the maximum brightness and the minimum brightness of the brightness matrix of the first image obtained based on the brightness information;

The brightness matrix information identification module 102 is used to identify the maximum brightness, the minimum brightness and the difference between the maximum brightness and the minimum brightness of the brightness matrix of the first image;

The luminance matrix conversion module 103 is configured to select a corresponding conversion formula based on the relationship between the maximum luminance, the minimum luminance and the magnitude of the difference, and use the conversion formula to convert the brightness of the first image The matrix is converted to obtain the second image brightness matrix;

The backlight partition driving module 54 is configured to receive the second image brightness matrix transmitted through the bus, and adjust the image of the video based on the second image brightness matrix to obtain a new video;

The display module 55 is configured to display the input video on the monitor.

Further, after the video input module 51 inputs the video, the user mode selection module 52 receives the mode selected by the user, and the mode includes a normal mode and a color-blind mode; The video is transmitted to the display module 55, and the display module 55 plays the video; if the full color blindness mode is selected, the signal processing chip processes the video, and the signal processing chip includes a brightness matrix calculation module 101 , luminance matrix information recognition module 102 and luminance matrix conversion module 103; the processed video is input to the backlight partition driver module 54, and the backlight partition driver module 54 transmits the processed video to the display module 55, and the display module 55 Playing the video provides a personalized viewing mode for special users with achromatopsia, enabling them to watch more comfortably and improving the happiness index of special users with achromatopsia.

Further, as shown in FIG. 6 , based on the above-mentioned method for improving display based on achromatopsia, the present invention also provides a terminal correspondingly. The terminal includes a processor 10, a memory 20, and a display 30; FIG. 6 only shows the terminal Some of the components are shown, but it is understood that implementation of all of the illustrated components is not required and that more or fewer components may instead be implemented.

The storage 20 may be an internal storage unit of the terminal in some embodiments, such as a hard disk or memory of the terminal. In other embodiments, the memory 20 may also be an external storage device of the terminal, such as a plug-in hard disk equipped on the terminal, a smart memory card (Smart Media Card, SMC), a secure digital (SecureDigital, SD ) card, flash memory card (Flash Card), etc. Further, the memory 20 may also include both an internal storage unit of the terminal and an external storage device. The memory 20 is used to store application software and various data installed on the terminal, such as program codes of the installed terminal. The memory 20 can also be used to temporarily store data that has been output or will be output. In one embodiment, a display improvement program 40 based on achromatopsia is stored in the memory 20 , and the display improvement program 40 based on achromatopsia can be executed by the processor 10 , so as to realize the display improvement method based on achromatopsia in this application.

The processor 10 in some embodiments may be a central processing unit (Central Processing Unit, CPU), a microprocessor or other data processing chips for running program codes stored in the memory 20 or processing data, for example The display improvement method based on achromatopsia and the like are executed.

In some embodiments, the display 30 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode, Organic Light-Emitting Diode) touch device, and the like. The display 30 is used for displaying information on the terminal and for displaying a visualized user interface. The components 10-30 of the terminal communicate with each other via a system bus.

In one embodiment, when the processor 10 executes the interface display program 40 of the split-screen window in the memory 20, the following steps are implemented:

Acquiring brightness information of each partition image, and obtaining a first image brightness matrix based on the brightness information;

Obtaining the maximum brightness and the minimum brightness of the brightness matrix of the first image, and calculating the difference between the maximum brightness and the minimum brightness;

Converting the first image brightness matrix based on the difference to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to complete image display.

Wherein, the acquiring the brightness information of each partition image, and obtaining the first image brightness matrix based on the brightness information specifically includes:

Obtaining the image stored by the image processing chip, and dividing the image to obtain multiple partitioned images;

Obtaining the brightness average of each partition image based on the plurality of partition images, and constructing the first image brightness matrix based on the brightness average.

Wherein, the brightness matrix of the first image is:

Wherein, Z represents the brightness matrix of the first image, C represents the number of backlight partitions on the horizontal axis of the image, D represents the number of backlight partitions on the vertical axis of the image, and Z _CD represents the brightness of the Cth horizontal and D vertical partitions in the first image brightness matrix , and the brightness range of Z _CD is (0, 255).

Wherein, converting the first image brightness matrix based on the difference value to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to complete image display, specifically includes:

Selecting a corresponding brightness conversion formula based on the magnitude of the difference and the maximum brightness, or selecting a corresponding brightness conversion formula based on the magnitude of the difference and the interval to which the maximum brightness and the minimum brightness belong;

Based on the brightness conversion formula, converting the first image brightness matrix to obtain a second image brightness matrix;

The brightness matrix of the second image is transmitted to the backlight partition control module to obtain a new image, and the new image is transmitted to the display to complete the display.

Wherein, the corresponding brightness conversion formula is selected based on the size of the difference value and the maximum brightness, wherein the brightness conversion formula is:

If ΔZ≧120, or Zmax≧200, then Z′=Z;

Wherein, Z represents the brightness matrix of the first image, Zmax represents the maximum brightness of the brightness matrix of the first image, ΔZ represents the difference between the maximum brightness and the minimum brightness, and Z′ represents the brightness matrix of the second image.

Wherein, the brightness conversion formula corresponding to the range selected based on the size of the difference and the maximum brightness and the minimum brightness belongs to, wherein the brightness conversion formula includes:

If ΔZ<120 and [Zmin, Zmax]∈[0,120], then

其中，β1的范围为(10，14)；If ΔZ<120 and [Zmin, Zmax]∈[20,140], then

Among them, the range of β1 is (10, 14);

其中，β2的范围为(14，18)；If ΔZ<120 and [Zmin, Zmax]∈[40,160], then

Among them, the range of β2 is (14, 18);

其中，β3可的范围为(18，22)；If ΔZ<120 and [Zmin, Zmax]∈[60,180], then

Among them, the possible range of β3 is (18, 22);

其中，β4的范围为(22，26)；If ΔZ<120 and [Zmin, Zmax]∈[80,200], then

Among them, the range of β4 is (22, 26);

Wherein, Z represents the brightness matrix of the first image, Zmax represents the maximum brightness of the brightness matrix of the first image, Zmin represents the minimum brightness of the brightness matrix of the first image, and ΔZ represents the difference between the maximum brightness and the minimum brightness , Z' represents the brightness matrix of the second image, β1 represents the first adjustment factor, β2 represents the second adjustment factor, β3 represents the third adjustment factor, and β4 represents the fourth adjustment factor.

Wherein, the second image brightness matrix is:

Wherein, Z' represents the brightness matrix of the second image, C represents the number of backlight partitions on the horizontal axis of the image, D represents the number of backlight partitions on the vertical axis of the image, and Z' _CD represents the Cth horizontal D vertical partition in the second image brightness matrix brightness.

The present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a display improvement program based on achromatopsia, and when the display improvement program based on achromatopsia is executed by a processor, the above-mentioned The steps of the display improvement method for achromatopsia.

To sum up, the present invention provides a display improvement method, system, terminal and storage medium based on panchromatic blindness. The method includes: acquiring the brightness information of each partition image, and obtaining the brightness matrix of the first image based on the brightness information ; Obtain the maximum brightness and minimum brightness of the brightness matrix of the first image, and calculate the difference between the maximum brightness and the minimum brightness; convert the brightness matrix of the first image based on the difference to obtain a second image brightness matrix, and transmit the brightness matrix of the second image to the display to complete image display. Based on the visual characteristics of panchromatic people, the present invention obtains images that are more suitable for panchromatic people through segmented brightness conversion functions, and provides a personalized viewing mode for special panchromatic users, bringing more comfortable viewing Experience and improve the happiness index of special users with full color blindness.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.

Of course, those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be realized by instructing related hardware (such as processors, controllers, etc.) through computer programs, and the programs can be stored in the computer In the readable computer-readable storage medium, the program may include the processes of the above-mentioned method embodiments when executed. The computer-readable storage medium described herein may be a memory, a magnetic disk, an optical disk, and the like.

It should be understood that the application of the present invention is not limited to the above examples, and those skilled in the art can make improvements or transformations according to the above descriptions, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims (10)

1. A display improvement method based on achromatopsia is characterized in that the display improvement method based on achromatopsia comprises the following steps:

acquiring brightness information of each partitioned image, and obtaining a first image brightness matrix based on the brightness information;

acquiring the maximum brightness and the minimum brightness of the first image brightness matrix, and calculating the difference value between the maximum brightness and the minimum brightness;

and converting the first image brightness matrix based on the difference value to obtain a second image brightness matrix, and transmitting the second image brightness matrix to a display to finish image display.

2. The method for improving display based on total color blindness according to claim 1, wherein the obtaining luminance information of each partition image and obtaining a first image luminance matrix based on the luminance information specifically comprises:

acquiring an image stored by an image processing chip, and segmenting the image to obtain a plurality of subarea images;

and respectively obtaining the brightness average value of each subarea image based on the plurality of subarea images, and constructing the first image brightness matrix based on the brightness average value.

3. The method of improving a full-color-blind-based display according to claim 2, wherein the first image luminance matrix is:

wherein Z represents a first image brightness matrix, C represents the number of horizontal axis backlight partitions of an image, D represents the number of vertical axis backlight partitions of an image, Z _CD Representing the luminance of the C-th horizontal and D-th vertical partition in the first image luminance matrix, and the Z _CD The luminance range of (0, 255).

4. The method of claim 1, wherein the converting the first image luminance matrix based on the difference value to obtain a second image luminance matrix, and transmitting the second image luminance matrix to a display to complete image display comprises:

selecting a corresponding brightness conversion formula based on the size of the difference value and the maximum brightness, or selecting a corresponding brightness conversion formula based on the size of the difference value and the section to which the maximum brightness and the minimum brightness belong;

converting the first image brightness matrix to obtain a second image brightness matrix based on the brightness conversion formula;

and transmitting the second image brightness matrix to a backlight partition control module to obtain a new image, and transmitting the new image to a display to finish displaying.

5. The method of claim 4, wherein a corresponding luminance transformation formula is selected based on the magnitude of the difference and the maximum luminance, wherein the luminance transformation formula is:

if Δ Z ≧ 120 or Zmax ≧ 200, Z' = Z;

wherein Z represents a first image luminance matrix, zmax represents a maximum luminance of the first image luminance matrix, Δ Z represents a difference value between the maximum luminance and the minimum luminance, and Z' represents a second image luminance matrix.

6. The method of claim 4, wherein a corresponding luminance conversion formula is selected based on the magnitude of the difference value and the interval between the maximum luminance and the minimum luminance, wherein the luminance conversion formula comprises:

if Δ Z<120 and [ Zmin, zmax]∈[0，120]Then, then

If Δ Z<120 and [ Zmin, zmax]∈[20，140]Then, then

Wherein β 1 is in the range of (10, 14);

if Δ Z<120 and [ Zmin, zmax]∈[40，160]Then, then

Wherein β 2 ranges from (14, 18);

if Δ Z<120 and [ Zmin, zmax]∈[60，180]Then, then

Wherein β 3 may range from (18, 22);

if ΔZ<120 and [ Zmin, zmax]∈[80，200]Then, then

Wherein β 4 is in the range of (22, 26);

wherein Z denotes a first image luminance matrix, zmax denotes a maximum luminance of the first image luminance matrix, zmin denotes a minimum luminance of the first image luminance matrix, Δ Z denotes a difference between the maximum luminance and the minimum luminance, Z' denotes a second image luminance matrix, β 1 denotes a first adjustment factor, β 2 denotes a second adjustment factor, β 3 denotes a third adjustment factor, and β 4 denotes a fourth adjustment factor.

7. The method of claim 5 or 6, wherein the second image brightness matrix is:

wherein Z 'represents a second image luminance matrix, C represents the horizontal axis backlight partition number of the image, and D represents the vertical axis backlight partition number of the image, Z' _CD And the brightness of the C-th horizontal and D-th vertical subarea in the second image brightness matrix is represented.

8. A full-color-blind based display improvement system, comprising:

the video input module is used for inputting a video to be watched by a user;

the system comprises a user mode selection module, a display module and a display module, wherein the user mode selection module is used for switching different viewing modes, and the viewing modes comprise a normal mode and a full-color blind mode;

the signal processing chip is used for processing an image brightness matrix of a video in a full-color blind mode, and comprises a brightness matrix calculation module, a brightness matrix information identification module and a brightness matrix conversion module;

the brightness matrix calculation module is used for calculating the brightness of each partition of the first image;

the brightness matrix information identification module is used for identifying the maximum brightness, the minimum brightness and the difference value between the maximum brightness and the minimum brightness of the first image brightness matrix;

the brightness matrix conversion module is used for selecting a corresponding conversion formula based on the relationship among the maximum brightness, the minimum brightness and the difference value, and converting the first image brightness matrix through the conversion formula to obtain a second image brightness matrix;

the backlight partition driving module is used for receiving the second image brightness matrix transmitted through the bus and adjusting the image brightness of the video based on the second image brightness matrix to obtain new video image brightness;

and the display module is used for displaying the input video in the display based on the new video image brightness.

9. A terminal, characterized in that the terminal comprises: memory, a processor and a full-color-blind based display improvement program stored on the memory and executable on the processor, the full-color-blind based display improvement program when executed by the processor implementing the steps of the full-color-blind based display improvement method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a full-color-blind-based display improvement program, which when executed by a processor, implements the steps of the full-color-blind-based display improvement method according to any one of claims 1 to 7.

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