Image generation system and method for LED display system

Abstract

The invention discloses an image generation system and method for an LED display system, and relates to the technical field of LEDs, the method adopts the image generation system to work, the image generation system comprises a multi-point touch control module, an LED display module and a damaged image reconstruction module, the multi-point touch control module is used for realizing the multi-point touch control function, and the LED display module is used for realizing the damaged image reconstruction module. The display module is used for displaying a video frame and recording a touch point position, the LED display module is used for displaying an image by using an LED lamp bead and calculating the temperature rise effect of the working of the LED lamp bead, and the damaged image reconstruction module is used for comparing a predicted value of the video frame with an actual received value to judge whether an error exists or not, and reconstructing a damaged area by using an interpolation algorithm. The multi-point touch control module comprises a touch control sensing unit, a touch control statistics module, a heat accumulation estimation module and a coordinate system establishment module, and the touch control sensing unit is electrically connected with the touch control statistics module.

Description

Technical Field

[0001] The present invention relates to the technical field of LEDs, and specifically to an image generation system and method for an LED display system. Background Art

[0002] When an LED display screen plays a video, an error concealment and recovery algorithm uses the redundancy and complementarity of multimodal data to detect errors in image display units. For example, by comparing the predicted value and the actually received value of a video frame and combining the continuity of the audio signal, it is determined whether there is an error. Once an error is detected, an error concealment mechanism is activated, and based on the correlation of adjacent pixels, an interpolation algorithm is used to reconstruct the damaged area, and the damaged pixel value can be estimated by the weighted average method.

[0003] In a highly integrated LED touch display screen, when the multi-touch module works, certain heat will be generated due to the passing of current and the operation of electronic components. If the touch is frequent, continuous heat accumulation may cause the temperature of the touch module to rise, and the heat generated by the touch unit may affect the nearby LED beads through heat conduction. The increase in temperature may cause changes in the RGB values of the beads, affecting the color value distribution of the pixels in the image. Although the change in the color value distribution has little impact on the display of the LED beads themselves, during reconstruction, the accuracy of the correlation between adjacent pixels will be weakened due to the change in the color value, thus affecting the final reconstruction effect. Therefore, it is necessary to design an image generation system and method for an LED display system with accurate reconstruction effect. Summary of the Invention

[0004] The purpose of the present invention is to provide an image generation system and method for an LED display system to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the present invention provides the following technical solution: An image generation system for an LED display system, the image generation system includes a multi-touch module, an LED display module, and a damaged image reconstruction module. The multi-touch module is used to implement the function of multi-touch and record the touch points. The LED display module uses LED beads to display images and calculates the temperature rise effect of the LED beads themselves during operation. The damaged image reconstruction module is used to compare the predicted value and the actually received value of the video frame to determine whether there is an error, and use the interpolation algorithm to reconstruct the damaged area.

[0006] According to the above technical solution, the multi-touch module includes a touch sensing unit, a touch statistics module, a heat accumulation estimation module, and a coordinate system establishment module. The touch sensing unit is electrically connected to the touch statistics module, the touch statistics module is electrically connected to the heat accumulation estimation module. The touch sensing unit is used to detect touch signals when touching the screen. The touch statistics module is used to count the number of touches of each touch sensing unit. The heat accumulation estimation module is used to estimate the heat that causes the temperature rise of each touch sensing unit. The coordinate system establishment module is used to establish a coordinate system based on the arrangement of the touch sensing units; The LED display module includes LED lamp beads, a coordinate recording module, a heat reception calculation module, an RGB value correction module, a working time recording module, a self-heat calculation module, and a color sensor. The coordinate system establishment module is electrically connected to the coordinate recording module, the coordinate recording module is electrically connected to the heat reception calculation module, both the heat reception calculation module and the self-heat calculation module are electrically connected to the RGB value correction module, and the working time recording module is electrically connected to the self-heat calculation module. The LED lamp beads are used for image display. The coordinate recording module is used to record the coordinates of each LED lamp bead. The heat reception calculation module is used to calculate the heat received by each LED lamp bead. The RGB value correction module is used to correct the error between the theoretical value and the actual value of the RGB value. The working time recording module is used to record the working time of the LED lamp beads. The self-heat calculation module is used to calculate the heat generated by the LED lamp beads due to their own work. The color sensor is used to detect the RGB values of each LED lamp bead; The damaged image reconstruction module includes a frame comparison module, an error detection module, an image reconstruction module, and an RGB value input module. The RGB value correction module is electrically connected to the RGB value input module. The frame comparison module is sequentially electrically connected to the error detection module and the image reconstruction module. The frame comparison module is used to compare the predicted value and the actual received value of each frame to determine whether there is an error in the current video frame. The error detection module integrates the results of video frame comparison and audio signal analysis to determine whether there is an error in the confirmation of the RGB value of the current LED lamp bead. The image reconstruction module calculates and estimates the value of the damaged pixel based on the values of adjacent pixels, and reconstructs the damaged area based on the correlation of adjacent pixels. The RGB value input module is used to input the RGB values of the LED lamp beads corresponding to each pixel.

[0007] An image generation method for an LED display system includes the following steps: S1. When the touch display screen is put into use, establish a coordinate system for the arrangement positions of the touch sensing units and the LED lamp beads above, and mark the position coordinates; S2. Attach the detection device with a color sensor to the LED display screen, monitor the color at a specific position of the LED display screen in real time, and correct the influence of temperature on the RGB values of the LED lamp beads through a temperature sensor under a linear regression model; S3. Record the working time of the LED display screen in real time, count the effect of the self - temperature rise of each LED lamp bead due to continuous operation, and incorporate it into the pre - conditions for RGB value correction; S4. Record the number of touches received by each touch - sensing unit within a period of time in real time, estimate the degree of heat accumulation, estimate the heat transferred to each surrounding LED lamp bead, and calculate the change in RGB values of each LED lamp bead due to temperature rise; S5. When it is detected that an error - prone damaged area is judged by comparing the predicted value and the actually received value of the video frame, substitute the actual RGB values of the LED lamp beads around the damaged area into the interpolation algorithm of the image reconstruction module, and estimate the damaged pixel values based on the correlation of adjacent pixels.

[0008] According to the above - mentioned technical solution, in S2, the specific method for correcting the influence of temperature on the RGB values of the LED lamp beads through a temperature sensor under a linear regression model is as follows: S2 - 1. The playback control terminal generates a random color sequence and displays it on the LED at a specific position. Attach the detection device to the LED display screen for detection. If the actually displayed RGB values of the LED lamp beads are inconsistent with the theoretical values, they will be detected. As the LED lamp beads continue to work, the deviation between the RGB theoretical values and the RGB actual values caused by temperature rise will become larger and larger. According to actual experiments, obtain the working time of the LED lamp beads versus temperature functional relationship ; S2 - 2. Take the RGB theoretical values of the established color sequence, temperature , and the RGB detection values detected by the color sensor as inputs, select parameters in the linear regression model, let , the linear regression model is , the optimization objective is tends to 0. Through multi - group data acquisition and optimization, obtain the optimal and , where is the number of acquisitions, obtain the RGB actual value . Since this process does not consider the temperature rise caused by touch, therefore , that is, the relationship between the RGB actual value and the RGB theoretical value at temperature .

[0009] According to the above technical solution, in S3, the specific preconditions for incorporating RGB value correction are as follows: S3-1. As the LED display continuously operates, record the duration of continuous operation. Since the temperature rise effects of each LED lamp bead are regarded as equivalent to each other, according to the duration of continuous operation of the LED lamp bead in S2-1 and temperature functional relationship , and randomly perform touch operations on multiple touch sensing units of the LED display multiple times, and record the touch frequencies of each touch sensing unit within a period of time; S3-2. At the same time, use a color sensor to detect the actual RGB values of the LED lamp beads around multiple touch sensing units, combine the RGB theoretical values of these LED lamp beads, and according to the relationship between the actual RGB value and the RGB theoretical value at the temperature in S2-2, deduce the temperature of each LED lamp bead, subtract the temperature rise caused by the continuous operation of the LED lamp bead , and count the cumulative temperature of the heat caused by touch . Combine the positional relationship between each LED lamp bead and each touch sensing unit to obtain the specific operation relationship of the temperature rise effect of the LED lamp bead brought by touch.

[0010] According to the above technical solution, in S4, when estimating the degree of heat accumulation, the cumulative temperature of the heat caused by touch of the LED lamp bead The specific calculation method is as follows: S4-1. When the LED lamp bead is located directly below the touch sensing unit, for the convenience of calculation, only consider the case where the number of touches is within the normal range. As the number of touches accumulates, the temperature rise of the touch sensing unit caused by repeated power-on and continuous heat conduction to the LED lamp bead is proportional to the number of times the current touch sensing unit is touched within the detection period , that is , where is the touch temperature rise conversion coefficient; S4-2. When the LED lamp bead is located at other positions, since the degree of heat transfer attenuation is proportional to the square of the distance, according to the current position coordinates of the current LED lamp bead and the position coordinates of the touch sensing unit closest to the current LED lamp bead, calculate the distance between the current LED lamp bead and the closest touch sensing unit in the coordinate system, and obtain , where

[0011] According to the above technical solution, in S4, the specific method for calculating the change in RGB value caused by temperature rise of each LED lamp bead is as follows: S4-3. According to the temperature in S2-2, the current is obtained through the operation relationship between the actual RGB value and the theoretical RGB value, and is obtained according to the continuous working time of the LED lamp bead, and the cumulative temperature of the heat caused by touch is obtained . Then, according to the positional relationship between multiple LED lamp beads and adjacent touch sensing units, combined with the touch times of each touch sensing unit , substitute into the formulas of S4-1 and S4-2 and obtain the corresponding and . After averaging, the reference values of and are obtained; S4-4. When normally using the LED touch display screen for video playback and touch operations, record the continuous working time of the LED touch display screen and the record of touch points, and estimate the difference between the actual RGB value and the theoretical RGB value of each LED lamp bead.

[0012] According to the above technical solution, in S5, the specific method for estimating the damaged pixel value based on the correlation of adjacent pixels is as follows: When there is no damaged area determined to be in error, since the influence of the deviation on the display of the LED lamp bead itself is negligible, no intervention is made. When there is a damaged area in error, call the actual RGB values of the LED lamp beads around the position of the damaged area in the coordinate system, overwrite the original theoretical RGB value and substitute it into the interpolation algorithm of the image reconstruction module for calculation.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: In the present invention, by recording the touch times of the multi-touch module of the LED touch display screen at regular intervals, estimating the heat accumulation amount according to the touch frequency of each touch sensing unit, calculating the heat received by the LED lamp beads around the touch sensing unit through heat conduction, and correcting the color value distribution of the pixels in the image, thereby improving the image reconstruction accuracy of the damaged area of the difference algorithm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings: Figure 1 is the overall module structure schematic diagram of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0016] Please refer to Figure 1 , the present invention provides a technical solution: an image generation system for an LED display system, the image generation system includes a multi-touch module, an LED display module, and a damaged image reconstruction module. The multi-touch module is used to implement the function of multi-touch and record the touch points. The LED display module uses LED lamp beads to display images and calculates the temperature rise effect of the LED lamp beads during their own operation. The damaged image reconstruction module is used to compare the predicted value and the actual received value of the video frame to determine whether there is an error, and use the interpolation algorithm to reconstruct the damaged area; The multi-touch module includes a touch sensing unit, a touch statistics module, a heat accumulation estimation module, and a coordinate system establishment module. The touch sensing unit is electrically connected to the touch statistics module, and the touch statistics module is electrically connected to the heat accumulation estimation module. The touch sensing unit is used to detect touch signals when touching the screen. The touch statistics module is used to count the number of touches of each touch sensing unit. The heat accumulation estimation module is used to estimate the heat that causes the temperature rise of each touch sensing unit. The coordinate system establishment module is used to establish a coordinate system based on the arrangement of the touch sensing units; The LED display module includes LED lamp beads, a coordinate recording module, a heat reception calculation module, an RGB value correction module, a working time recording module, an own heat calculation module, and a color sensor. The coordinate system establishment module is electrically connected to the coordinate recording module, the coordinate recording module is electrically connected to the heat reception calculation module, and both the heat reception calculation module and the own heat calculation module are electrically connected to the RGB value correction module. The working time recording module is electrically connected to the own heat calculation module. The LED lamp beads are used to display images. The coordinate recording module is used to record the coordinates of each LED lamp bead. The heat reception calculation module is used to calculate the heat received by each LED lamp bead. The RGB value correction module is used to correct the error between the theoretical value and the actual value of the RGB value. The working time recording module is used to record the working time of the LED lamp beads. The own heat calculation module is used to calculate the heat generated by the LED lamp beads due to their own operation. The color sensor is used to detect the RGB values of each LED lamp bead; The damaged image reconstruction module includes a frame comparison module, an error detection module, an image reconstruction module, and an RGB value input module. The RGB value correction module is electrically connected to the RGB value input module. The frame comparison module is sequentially electrically connected to the error detection module and the image reconstruction module. The frame comparison module is used to compare the predicted value and the actual received value of each frame to determine whether there is an error in the current video frame. The error detection module integrates the results of video frame comparison and audio signal analysis to determine whether there is an error in the confirmation of the RGB values of the current LED lamp beads. The image reconstruction module calculates and estimates the values of damaged pixels based on the values of adjacent pixels, and reconstructs the damaged area based on the correlation of adjacent pixels. The RGB value input module is used to input the RGB values of the LED lamp beads corresponding to each pixel; An image generation method for an LED display system includes the following steps: S1. When the touch display screen is put into use, a coordinate system is established for the arrangement positions of the touch sensing units above and the LED lamp beads, and the position coordinates are marked; S2. A detection device with a color sensor is attached to the LED display screen to monitor the color of a specific position on the LED display screen in real time, and the influence of temperature on the RGB values of the LED lamp beads is corrected through a temperature sensor under a linear regression model; S3. The working time of the LED display screen is recorded in real time, and the effect of the self-temperature increase of each LED lamp bead caused by continuous operation is statistically analyzed and included in the preconditions for RGB value correction; S4. The number of touches received by each touch sensing unit within a period of time is recorded in real time, the degree of heat accumulation is estimated, and the heat transferred to each surrounding LED lamp bead is estimated, and the change in the RGB value of each LED lamp bead caused by temperature rise is calculated; S5. When it is detected that an error occurs in the damaged area by comparing the predicted value and the actual received value of the video frame, the actual RGB values of the LED lamp beads around the damaged area are substituted into the interpolation algorithm of the image reconstruction module, and the values of the damaged pixels are estimated based on the correlation of adjacent pixels; In S2, the specific method of correcting the influence of temperature on the RGB values of the LED lamp beads through a temperature sensor under a linear regression model is as follows: S2-1. The playback control terminal generates a random color sequence and displays it on a specific position through the LED. The detection device is attached to the LED display screen for detection. If the actual RGB values displayed by the LED lamp beads are inconsistent with the theoretical values, they will be detected. As the LED lamp beads continue to work, the deviation between the RGB theoretical values and the RGB actual values caused by temperature rise will become larger and larger. The working time of the LED lamp beads is obtained according to actual experiments and temperature functional relationship ; S2-2. The RGB theoretical values of the established color sequence , temperature , the RGB detection values detected by the color sensor are used as inputs to select the parameters of the linear regression model. Let , and the linear regression model is , and the optimization objective is to approach 0. Through the collection and optimization of multiple groups of data, the optimal and are obtained, where is the number of collections, and the actual RGB value is obtained . Since the temperature rise caused by touch is not considered in this process, therefore , that is, the relationship between the actual RGB value and the RGB theoretical value at the temperature ; In S3, the specific preconditions for incorporating the RGB value correction are as follows: S3-1. As the LED display continuously operates, record the continuous operation time. Since the temperature rise effects of each LED lamp bead are regarded as equivalent, according to the function relationship between the continuous operation time of the LED lamp bead in S2-1 and the temperature , and randomly touch multiple touch sensing units of the LED display multiple times, and record the touch frequencies of each touch sensing unit within a period of time; S3-2. At the same time, use the color sensor to detect the actual RGB values of the LED lamp beads around multiple touch sensing units, combine the RGB theoretical values of these LED lamp beads, and deduce the temperature of each LED lamp bead according to the relationship between the actual RGB value and the RGB theoretical value at the temperature in S2-2, subtract the temperature rise caused by the continuous operation of the LED lamp bead, and count the cumulative temperature of the heat caused by touch. Combine the positional relationship between each LED lamp bead and each touch sensing unit to obtain the specific operation relationship of the temperature rise effect of the LED lamp bead caused by touch; In S4, when estimating the degree of heat accumulation, the cumulative temperature of the heat caused by touch of the LED lamp bead is calculated as follows: S4-1. When the LED lamp bead is located directly below the touch sensing unit, for the convenience of calculation, only consider the case where the number of touches is within the normal range. As the number of touches accumulates, the temperature rise of the touch sensing unit continuously generating heat and conducting to the LED lamp bead due to repeated power-on and the detection period The number of times the current touch sensing unit is touched is directly proportional, that is where is the touch temperature rise conversion coefficient; S4-2. When the LED lamp bead is in other positions, since the attenuation degree of the transmitted heat is directly proportional to the square of the distance, according to the position coordinates of the current LED lamp bead , and the position coordinates of the touch sensing unit closest to the current LED lamp bead , calculate the distance between the current LED lamp bead and the closest touch sensing unit in the coordinate system , to obtain where is the attenuation coefficient of heat with distance; The detection device is only attached to the LED display screen for detection when determining parameters. After obtaining the correct parameter operation relationship, the detection device can be taken away. There is no need to integrate an image sensor on each LED touch display screen. Since the parameters of each LED screen are slightly different, one detection device can detect multiple LED touch display screens, which can adapt to the properties of different LED screens while reducing the detection cost.

[0017] In S4, the specific method for calculating the change in RGB value caused by temperature rise of each LED lamp bead is as follows: S4-3. According to the operation relationship between the actual RGB value and the theoretical RGB value at the temperature in S2-2, obtain the current , and obtain according to the continuous working time of the LED lamp bead, to obtain the cumulative temperature of the heat caused by touch . Then, according to the positional relationship between multiple LED lamp beads and adjacent touch sensing units, combined with the number of touches of each touch sensing unit , substitute into the formulas of S4-1 and S4-2 and obtain the corresponding and values, and after averaging, obtain and reference values; S4-4. When normally using the LED touch display screen for video playback and touch operations, record the continuous working time of the LED touch display screen and the record of touch points, and estimate the difference between the actual RGB value and the theoretical RGB value of each LED lamp bead; In S5, the specific method for estimating the damaged pixel values based on the correlation of adjacent pixels is as follows: When there is no damaged area determined to be in error, since the influence of the deviation on the display of the LED lamp beads themselves is negligible, no intervention is made. Due to the hysteresis of adjustment and the time delay of calculation, not making any intervention is to reduce the computational load and make the display of the image smoother, so as not to interfere with the display of the image. When there is a damaged area in error, the actual RGB values of the LED lamp beads around the position of the damaged area in the coordinate system are called, and the original RGB theoretical values are replaced and substituted into the interpolation algorithm of the image reconstruction module for calculation. This process does not involve modifying the original RGB values of the normal LED lamp beads, but only serves as the basis for correcting the RGB values of the damaged area image to prevent weight errors during damaged repair.

[0018] By recording the number of touches of the multi-touch module of the LED touch display at regular intervals, estimating the heat accumulation amount according to the touch frequency of each touch sensing unit, calculating the heat received by the LED lamp beads around the touch sensing unit through heat conduction, and correcting the color value distribution of the pixels in the image, thereby improving the reconstruction accuracy of the damaged area of the difference algorithm.

[0019] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0020] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An image generation system for an LED display system, characterized in that: The image generation system includes a multi-touch module, an LED display module, and a damaged image reconstruction module. The multi-touch module is used to implement the function of multi-touch and record the touch points. The LED display module uses LED beads to display images and calculates the temperature rise effect of the LED beads during their own operation. The damaged image reconstruction module is used to compare the predicted value and the actual received value of the video frame to determine whether there is an error, and use the interpolation algorithm to reconstruct the damaged area.

2. The image generation system for an LED display system according to claim 1, characterized in that: The multi-touch module includes a touch sensing unit, a touch statistics module, a heat accumulation estimation module, and a coordinate system establishment module. The touch sensing unit is electrically connected to the touch statistics module, and the touch statistics module is electrically connected to the heat accumulation estimation module. The touch sensing unit is used to detect touch signals when touching the screen. The touch statistics module is used to count the number of touches of each touch sensing unit. The heat accumulation estimation module is used to estimate the heat that causes the temperature rise of each touch sensing unit. The coordinate system establishment module is used to establish a coordinate system based on the arrangement of the touch sensing units; The LED display module includes LED beads, a coordinate recording module, a heat reception calculation module, an RGB value correction module, a working time recording module, an own heat calculation module, and a color sensor. The coordinate system establishment module is electrically connected to the coordinate recording module, the coordinate recording module is electrically connected to the heat reception calculation module, and both the heat reception calculation module and the own heat calculation module are electrically connected to the RGB value correction module. The working time recording module is electrically connected to the own heat calculation module. The LED beads are used to display images. The coordinate recording module is used to record the coordinates of each LED bead. The heat reception calculation module is used to calculate the heat received by each LED bead. The RGB value correction module is used to correct the error between the theoretical value and the actual value of the RGB value. The working time recording module is used to record the working time of the LED beads. The own heat calculation module is used to calculate the heat generated by the LED beads due to their own operation. The color sensor is used to detect the RGB values of each LED bead; The damaged image reconstruction module includes a frame comparison module, an error detection module, an image reconstruction module, and an RGB value input module. The RGB value correction module is electrically connected to the RGB value input module. The frame comparison module is sequentially electrically connected to the error detection module and the image reconstruction module. The frame comparison module is used to compare the predicted value and the actual received value of each frame to determine whether there is an error in the current video frame. The error detection module integrates the results of video frame comparison and audio signal analysis to determine whether there is an error in the confirmed RGB value of the current LED bead. The image reconstruction module calculates and estimates the values of damaged pixels based on the values of adjacent pixels, and reconstructs the damaged area based on the correlation of adjacent pixels. The RGB value input module is used to input the RGB values of the LED beads corresponding to each pixel.

3. An image generation method for an LED display system, characterized in that: This method works according to the image generation system described in claim 2 and includes the following steps: S1. When the touch display screen is put into use, establish a coordinate system for the arrangement positions of the touch sensing unit and the LED lamp beads above, and mark the position coordinates. S2. Attach the detection device with a color sensor to the LED display screen, monitor the color of the LED display screen in real time, and correct the influence of temperature on the RGB values of the LED lamp beads through a temperature sensor under a linear regression model. S3. Record the working time of the LED display screen in real time, count the effect of the self-temperature rise of each LED lamp bead caused by continuous operation, and incorporate it as a prerequisite for RGB value correction. S4. Record the number of touches received by each touch sensing unit within a period of time in real time, estimate the degree of heat accumulation, estimate the heat transferred to each surrounding LED lamp bead, and calculate the change in the RGB value of each LED lamp bead caused by temperature rise. S5. When it is detected that an error-prone damaged area is judged by comparing the predicted value and the actually received value of the video frame, substitute the actual RGB values of the LED lamp beads around the damaged area into the interpolation algorithm of the image reconstruction module, and estimate the damaged pixel values based on the correlation of adjacent pixels.

4. A method for generating an image for an LED display system according to claim 3, characterized in that: In S2, the specific method of correcting the influence of temperature on the RGB values of the LED lamp beads through a temperature sensor under a linear regression model is: S2-1. The playback control terminal generates a random color sequence and displays it through the LED. The detection device is attached to the LED display screen for detection. If the actual RGB values shown by the LED beads are inconsistent with the theoretical values, they will be detected, and the continuous working time of the LED beads is obtained according to actual experiments. and temperature functional relationship ; S2-2. Using the RGB theoretical values of a given color sequence , temperature , and the RGB detection values detected by the color sensor as inputs, select the parameters of the linear regression model. Let , the linear regression model be , and the optimization objective be approach 0. Through the collection and optimization of multiple groups of data, obtain the optimal and , where is the number of collections, and obtain the actual RGB value . Therefore , that is, the relationship between the actual RGB value and the RGB theoretical value at temperature .

5. A method for generating an image for an LED display system according to claim 4, characterized in that: In S3, the specific prerequisite for incorporating RGB value correction is: S3-1. As the LED display continuously operates, record the duration of continuous operation, and based on the duration of continuous operation of the LED lamp beads in S2-1 and the temperature functional relationship , and randomly perform touches on multiple touch sensing units of the LED display multiple times, and record the touch frequencies of each touch sensing unit within a period of time; S3-2. Meanwhile, use a color sensor to detect the actual RGB values of the LED beads around multiple touch sensing units, combine the theoretical RGB values of these LED beads, and based on the relationship between the actual RGB values and the theoretical RGB values of the LED beads at the temperature in S2-2 to deduce the temperature of each LED bead, and subtract the temperature rise caused by the continuous operation of the LED bead to count the cumulative temperature of the heat caused by touch, and combine the positional relationship between each LED bead and each touch sensing unit to obtain the specific operation relationship of the temperature rise effect of the LED bead caused by touch. ​ 6. The image generation method for an LED display system according to claim 5, wherein: In S4, when estimating the degree of heat accumulation, the heat accumulation temperature of the LED lamp beads caused by touch The specific calculation method is as follows: S4-1. When the LED lamp bead is located directly below the touch sensing unit, only considering the case where the number of touches is within the normal range, as the number of touches accumulates, the temperature rise of the touch sensing unit due to repeated power-on and continuous heat conduction to the LED lamp bead and the detection period the number of times the current touch sensing unit is touched within is directly proportional, that is , where is the touch temperature rise conversion coefficient; S4-2. When the LED lamp bead is located at other positions, according to the position coordinates of the current LED lamp bead , and the position coordinates of the touch sensing unit closest to the current LED lamp bead , calculate the distance between the current LED lamp bead and the touch sensing unit closest to it in the coordinate system , and obtain , where is the attenuation coefficient of heat with respect to distance.

7. A method for generating an image for an LED display system according to claim 6, characterized in that: In S4, the specific method of calculating the change in the RGB value of each LED lamp bead caused by temperature rise is: S4-3. Obtain the current based on the operation relationship between the actual RGB value and the theoretical RGB value at the temperature in S2-2, and obtain based on the continuous working time of the LED lamp beads, and obtain the cumulative temperature of the heat caused by touch . Then, according to the positional relationship between multiple LED lamp beads and adjacent touch sensing units, combined with the touch times of each touch sensing unit , substitute them into the formulas of S4-1 and S4-2 and obtain the corresponding and and . After averaging, obtain the reference values of and ; S4-4. When normally using the LED touch display screen for video playback and touch operations, record the continuous working time of the LED touch display screen and the record of the touch points, and estimate the difference between the actual RGB values and the theoretical RGB values of each LED lamp bead.

8. A method for generating an image for an LED display system according to claim 7, wherein: In S5, the specific method of estimating the damaged pixel values based on the correlation of adjacent pixels is: when an error-prone damaged area appears, call the actual RGB values of the LED lamp beads around the position of the damaged area in the coordinate system, cover the original theoretical RGB values, and substitute them into the interpolation algorithm of the image reconstruction module for calculation.

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