Multimedia electronic equipment curved surface self-adaptive adjusting system based on flexible screen

By monitoring and analyzing user perspective and deformation data in real time, adjusting the brightness and chromaticity of the curved surface of multimedia electronic equipment, the brightness and color offset problems caused by viewing angle changes are solved, and uniform and accurate image display is achieved at different viewing angles.

CN120388533AInactive Publication Date: 2025-07-29昭通学院
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Patent Information

Application Number
CN202510783512.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-12
Publication Date
2025-07-29
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The prior art cannot adjust the brightness and chromaticity offset of the curved surface of the multimedia electronic device according to the user's viewing angle range, resulting in the brightness or color shift caused by the change in the viewing angle of the user when the user is flexible screen electronic device, affecting the viewing effect.

Method used

The data acquisition module is used to monitor the deformation data and user perspective range in real time, and the spatial geometric model is established through the data analysis module and the deformation parameter matrix is constructed. The adaptive adjustment module is used to convert and adjust the three primary color color values to optimize the parameters of the surface of the multimedia electronic device.

Benefits of technology

Ensure that the image brightness and chromaticity are consistent at different viewing angles, reduce the uneven problem caused by pixel point differences, optimize the performance of each pixel point, maintain the uniformity and accuracy of the overall picture, and compensate for image offsets and distortions caused by deformation.

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Abstract

The invention discloses a flexible screen-based multimedia electronic equipment curved surface adaptive adjustment system, and belongs to the technical field of curved surface multimedia electronic equipment curved surface adjustment. The invention discloses a flexible screen-based multimedia electronic equipment curved surface self-adaptive adjustment system. The system comprises a data acquisition module, a data analysis module and a self-adaptive adjustment module. According to the invention, the problem that the brightness or color shift is easily caused by the change of the visual angle when the user stays on the flexible screen electronic equipment and the watching effect is influenced because the brightness and chromaticity shift of the curved surface of the multimedia electronic equipment cannot be adjusted according to the visual angle range of the user in the prior art is solved; visual effects of a user at different viewing angles can be optimized, consistency of brightness and chromaticity of an image at different viewing angles is ensured, brightness or chromaticity shift caused by viewing angle change is avoided, the problem of uneven curved surface of the multimedia electronic equipment caused by pixel point difference can be reduced, expression of each pixel point can be optimized, and user experience is improved. And the uniformity and the accuracy of the whole picture are ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field of curved surface adjustment of curved surface multimedia electronic devices, and specifically to a curved surface adaptive adjustment system for multimedia electronic devices based on flexible screens. Background Art

[0002] OLED is a new generation of curved surface technology for multimedia electronic devices. OLED is not only thinner, lower in energy consumption, higher in brightness, better in luminous efficiency, can achieve pure black for the curved surface of multimedia electronic devices, but also can be bent, and can be widely applied to wearable devices, mobile phones, vehicle-mounted devices, smart home multimedia electronic device displays, tablet computers, portable computers, etc.

[0003] Chinese Patent with Publication No. CN110879671B discloses an electronic device and its control method. The electronic device includes: a screen, the screen includes a bendable flexible screen part; a flexible threaded rod, the flexible threaded rod is arranged on the back of the flexible screen part; at least two support blocks, each support block is arranged on the back of the flexible screen part and is used to support the flexible screen part, each support block is sleeved on the flexible threaded rod, and each support block is in threaded cooperation with the flexible threaded rod. The flexible threaded rod and at least two support blocks are movable between a first state and a second state; in the first state, the flexible screen part is in a curved surface; in the second state, the flexible screen part is in a flat surface, and it can realize the adjustment of the screen state of the flexible screen part based on the specific use requirements of the electronic device, so as to meet the use requirements of different use environments and user groups, and avoid the problems of inconvenient viewing of multimedia electronic device content, curved surface reflection, and inconvenient accidental touch or triggering of functions caused by a single curved surface structure.

[0004] In the actual use process of the above patent, the brightness and chromaticity offset of the curved surface of the multimedia electronic device cannot be adjusted according to the user's viewing angle range, resulting in brightness or color offset due to the viewing angle change when the user uses the flexible screen electronic device, affecting the viewing effect; therefore, it does not meet the existing requirements, and for this reason, we propose a curved surface adaptive adjustment system for multimedia electronic devices based on flexible screens. Summary of the Invention

[0005] The purpose of the present invention is to provide a curved surface adaptive adjustment system for multimedia electronic devices based on flexible screens, which adjusts the brightness and chromaticity offset of the curved surface of the multimedia electronic device according to the user's viewing angle range, can optimize the visual effect of the user at different viewing angles, ensure that the brightness and chromaticity of the image remain consistent at different viewing angles, avoid brightness or chromaticity offset caused by viewing angle change, can reduce the uneven problem of the curved surface of the multimedia electronic device caused by pixel point differences, can optimize the performance of each pixel point, and ensure the uniformity and accuracy of the overall picture, and solves the problems raised in the above background art.

[0006] To achieve the above object, the present invention provides the following technical solutions: A curved surface adaptive adjustment system for a multimedia electronic device based on a flexible screen, comprising:

[0007] A data acquisition module, configured to monitor in real time the deformation data of the curved surface of the multimedia electronic device, as well as the user's viewing range and image pixel points, and perform processing;

[0008] A data analysis module, configured to establish a spatial geometric model of the curved surface of the multimedia electronic device, analyze the three-dimensional coordinate offsets of each image pixel point, and construct a deformation parameter matrix;

[0009] An adaptive adjustment module, configured to convert and adjust the three-primary color values, adaptively adjust the parameters of the curved surface of the multimedia electronic device of the multimedia electronic device, and perform optimization.

[0010] Preferably, the data acquisition module includes:

[0011] A data monitoring unit, configured to monitor in real time the deformation data of the curved surface of the multimedia electronic device, and collect multi-angle images of the curved surface of the multimedia electronic device;

[0012] A data collection unit, configured to collect in real time the user's viewing range, the viewing range including: user position, head posture, and eye movement data, and at the same time collect images of the current position and viewing range, and extract image pixel points;

[0013] A data processing unit, configured to preprocess the user viewing range, image pixel points, and deformation data collected in real time.

[0014] Preferably, the data processing unit includes:

[0015] A viewing range processing unit, configured to process the user position, head posture, and eye movement data obtained in real time;

[0016] A comprehensive data processing unit, configured to preprocess the image pixel points and deformation data by using the Kalman filtering algorithm.

[0017] Preferably, the viewing range processing unit specifically includes:

[0018] According to the user position, head posture, and eye movement data obtained in real time, combined with machine vision technology, perform spatial coordinate mapping on the user position, head posture, and eye movement data;

[0019] Use spatial coordinate mapping to dynamically identify the user's visual focus area, enhance the feature representation ability in low-light or occluded scenarios, and obtain the preprocessed data;

[0020] Deploy data preprocessing nodes based on the edge computing framework, and use the preprocessing nodes to clean and standardize the format of the preprocessed data to obtain the processed perspective range.

[0021] Preferably, the comprehensive data processing unit includes:

[0022] Use the Kalman filter algorithm to remove the noise of image pixel points and deformation data and smooth the data to obtain the optimized image pixel points and deformation data estimates;

[0023] Use the real-time collected image pixel points and deformation data and the image pixel points and deformation data estimates to evaluate the current effectiveness of the filtering parameters, and dynamically adjust the filtering parameters according to the evaluation results;

[0024] Use the dynamically adjusted filtering parameters to further fuse the image pixel points and deformation data to obtain the processed image pixel points and deformation data.

[0025] Preferably, the data analysis module includes:

[0026] The model construction unit is used to establish a spatial geometric model of the curved surface of the multimedia electronic device;

[0027] The offset analysis unit is used to analyze the three-dimensional coordinate offsets of each image pixel point according to the spatial geometric model of the curved surface of the multimedia electronic device;

[0028] The matrix construction unit is used to construct a deformation parameter matrix using the three-dimensional coordinate offsets of each image pixel point, and obtain the deformation parameters of the curved surface of the multimedia electronic device using the deformation parameter matrix.

[0029] Preferably, the matrix construction unit includes:

[0030] Combine the multi-angle images of the curved surface of the multimedia electronic device and match the feature points to track the pixel displacement before and after deformation, and calculate the three-dimensional coordinate change amount corresponding to the pixel;

[0031] Use the homogeneous coordinate transformation matrix to integrate rotation, translation, and scaling parameters to describe the local deformation of the curved surface of the multimedia electronic device;

[0032] Introduce an energy model to optimize the mapping relationship between the curved surface of the multimedia electronic device unfolded to a two-dimensional plane, and reduce the deformation accumulation error;

[0033] Construct a cost function based on the stereo matching result, and solve the optimal deformation parameters through a non-linear optimization algorithm.

[0034] Preferably, the offset analysis unit specifically includes:

[0035] Mark feature points in the multi - angle images of the curved surface of the multimedia electronic device, extract the region of interest using an image segmentation algorithm, and obtain the central coordinates of the feature through binarization processing;

[0036] Calculate the central three - dimensional coordinates of the feature points, and optimize the three - dimensional point cloud using bundle adjustment;

[0037] According to the pixel difference between the central three - dimensional coordinates of the feature points and the theoretical coordinates, convert the pixel difference between the central three - dimensional coordinates of the feature points and the theoretical coordinates into a straight offset in three - dimensional space.

[0038] Preferably, the adaptive adjustment module includes:

[0039] The color value adjustment unit is used to obtain the tricolor color values of each image pixel point, and convert and adjust the tricolor color values;

[0040] The adjustment and optimization unit is used to adaptively adjust and optimize the parameters of the curved surface of the multimedia electronic device.

[0041] Preferably, the adaptive adjustment module includes:

[0042] Adopt a curved - surface coordinate system mapping algorithm to establish the correspondence between the user's position and the screen curvature, and obtain the tricolor color values of each image pixel point;

[0043] Convert the tricolor color values into tristimulus values, and dynamically adjust the tricolor ratio in combination with the deformation parameters of each region of the curved surface of the multimedia electronic device;

[0044] Compare the adjusted tricolor ratio with the tricolor ratio before adjustment to obtain the chromaticity deviation of each image pixel point;

[0045] Automatically correct the chromaticity deviation of each image pixel point according to the user's viewing angle range, and generate a compensation coefficient table according to the actual color temperature and gamut data of each pixel of the curved surface of the multimedia electronic device;

[0046] Use the compensation coefficient table to automatically correct the differences in brightness and chromaticity offsets caused by deformation.

[0047] Aiming at the brightness attenuation and chromaticity offset under different viewing angles of the curved screen, introduce a binocular vision correction model, and optimize the parameters of the curved surface of the multimedia electronic device through multi - angle color perception data.

[0048] Compared with the prior art, the beneficial effects of the present invention are:

[0049] Through the curved surface adaptive adjustment of the multimedia electronic device, the present invention can dynamically optimize the curved surface parameters of the multimedia electronic device at different viewing angles, further eliminate edge distortion, ensure the uniformity of picture color and details when viewing from multiple angles. Combining the adaptive adjustment with the physical characteristics of the curved screen can expand the range of the best viewing angles. Even when the user deviates from the center position, a clear image performance can still be obtained. It can optimize the visual effects of the user at different viewing angles, ensure that the brightness and chromaticity of the image remain consistent at different viewing angles, avoid brightness or chromaticity offset caused by the viewing angle change. By adjusting the brightness and chromaticity of each pixel point, the problem of unevenness of the curved surface of the multimedia electronic device caused by pixel point differences can be reduced, the performance of each pixel point can be optimized, and the uniformity and accuracy of the overall picture can be ensured. By monitoring and analyzing these deformation data, the curved surface content of the multimedia electronic device can be adjusted in real time to compensate for the image offset and distortion caused by the deformation, and maintain the stability and accuracy of the curved surface of the multimedia electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 It is a schematic diagram of the module of the curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to the present invention;

[0051] Figure 2 It is a flowchart of the curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0052] 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 of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0053] In order to solve the problem that in the actual use process of the prior art, the brightness and chromaticity offset of the curved surface of the multimedia electronic device cannot be adjusted according to the viewing angle range of the user, resulting in brightness or color offset caused by the viewing angle change when the user uses the flexible screen electronic device, affecting the viewing effect, please refer to Figure 1 - Figure 2 , the following technical solutions are provided in this embodiment:

[0054] The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen includes:

[0055] A data acquisition module, configured to monitor in real time the deformation data of the curved surface of the multimedia electronic device, as well as the viewing angle range of the user and the image pixel points, and perform processing;

[0056] A data analysis module, which is used to establish a spatial geometric model of the curved surface of a multimedia electronic device, analyze the three-dimensional coordinate offsets of each image pixel point, and construct a deformation parameter matrix;

[0057] An adaptive adjustment module, which is used to convert and adjust the tricolor color values, adaptively adjust the parameters of the curved surface of the multimedia electronic device, and optimize them.

[0058] A data acquisition module, including:

[0059] A data monitoring unit, which is used to monitor the deformation data of the curved surface of the multimedia electronic device in real time and collect multi-angle images of the curved surface of the multimedia electronic device;

[0060] A data collection unit, which is used to collect the user's viewing angle range in real time. The viewing angle range includes: user position, head posture, and eye movement data. At the same time, it collects images of the current position and viewing angle range, and extracts image pixel points;

[0061] A data processing unit, which is used to preprocess the user's viewing angle range, image pixel points, and deformation data collected in real time.

[0062] The data processing unit includes:

[0063] A viewing angle range processing unit, which is used to process the user position, head posture, and eye movement data obtained in real time;

[0064] The arc design of the curved screen can reduce the visual distance difference between the screen edge and the center, make the distances of the pictures in each area reach the human eye more uniform. The adaptive adjustment can dynamically optimize the parameters of the curved surface of the multimedia electronic device at different viewing angles, further eliminate edge distortion, ensure the uniformity of picture color and details when viewing from multiple angles. Combining the adaptive adjustment with the physical characteristics of the curved screen can expand the optimal viewing angle range, and users can still obtain clear image performance even when deviating from the center position.

[0065] A comprehensive data processing unit, which is used to preprocess the image pixel points and deformation data by using the Kalman filter algorithm.

[0066] Through the prediction and update steps, the Kalman filter can effectively filter out the noise of the image pixel points, improve the quality and readability of the image pixel points. The Kalman filter can restore damaged or distorted images and help reconstruct the original image, ensuring the reliability of the processing of image pixel points. When processing deformation data, the Kalman filter can adjust the deformation data through the prediction and update steps to make it more accurate, ensuring the accuracy of the adaptive adjustment of the curved surface of the multimedia electronic device.

[0067] The viewing angle range processing unit specifically includes:

[0068] According to the user location, head pose, and eye movement data obtained in real time, combined with machine vision technology, perform spatial coordinate mapping on the user location, head pose, and eye movement data. During spatial coordinate mapping, perform color space calibration, and eliminate perspective distortion through the bilinear interpolation algorithm;

[0069] Use spatial coordinate mapping to dynamically identify the user's visual focus area, enhance the feature representation ability in low-light or occluded scenarios, and obtain the preprocessed data.

[0070] Deploy data preprocessing nodes based on the edge computing framework, and use the preprocessing nodes to clean and standardize the format of the preprocessed data to obtain the processed viewing range.

[0071] Integrated data processing unit, including:

[0072] Use the Kalman filter algorithm to remove the noise of image pixels and deformation data and smooth the data to obtain the optimized estimated values of image pixels and deformation data;

[0073] Use the real-time collected image pixels and deformation data and the estimated values of image pixels and deformation data to evaluate the current effectiveness of the filtering parameters, and dynamically adjust the filtering parameters according to the evaluation results to reflect the actual changes of image pixels;

[0074] Use the dynamically adjusted filtering parameters to perform further fusion processing on the image pixels and deformation data to obtain the processed image pixels and deformation data, so as to improve the accuracy and reliability of parameter estimation. Enhance the edge sharpness of the preprocessed image pixels through histogram equalization to obtain the processed image pixels, reduce the consumption of computing resources, and lay a foundation for subsequent feature extraction.

[0075] Data analysis module, including:

[0076] Model construction unit, used to establish a spatial geometric model of the curved surface of the multimedia electronic device;

[0077] Offset analysis unit, used to analyze the three-dimensional coordinate offsets of each image pixel according to the spatial geometric model of the curved surface of the multimedia electronic device;

[0078] Matrix construction unit, used to construct a deformation parameter matrix using the three-dimensional coordinate offsets of each image pixel, and obtain the deformation parameters of the curved surface of the multimedia electronic device using the deformation parameter matrix.

[0079] Matrix construction unit, including:

[0080] Combined with the feature point matching to track the pixel displacement before and after deformation of the multi-media electronic device's curved surface multi-angle images, calculate the change in the three-dimensional coordinates corresponding to the pixels, eliminate the projection error, and the high sampling rate and high quantization level can improve the spatial resolution, reduce the checkerboard effect and false contour phenomenon;

[0081] Use the homogeneous coordinate transformation matrix to integrate rotation, translation, and scaling parameters to describe the local deformation of the multi-media electronic device's curved surface;

[0082] Introduce an energy model to optimize the mapping relationship from the multi-media electronic device's curved surface to the two-dimensional plane, reducing the cumulative deformation error;

[0083] Construct a cost function based on the stereo matching result and solve the optimal deformation parameters through a non-linear optimization algorithm.

[0084] The offset analysis unit specifically includes:

[0085] Mark feature points in the multi-media electronic device's curved surface multi-angle images, use an image segmentation algorithm to extract the region of interest, and obtain the feature center coordinates through binary processing;

[0086] Calculate the central three-dimensional coordinates of the feature points, optimize the three-dimensional point cloud using the bundle adjustment method to reduce the cumulative error;

[0087] According to the pixel difference between the central three-dimensional coordinates of the feature points and the theoretical coordinates, convert the pixel difference between the central three-dimensional coordinates of the feature points and the theoretical coordinates into a linear offset in three-dimensional space.

[0088] Preferably, the adaptive adjustment module includes:

[0089] The color value adjustment unit is used to obtain the three-primary color values of each image pixel point and perform conversion and adjustment on the three-primary color values;

[0090] The adjustment and optimization unit is used to adaptively adjust and optimize the parameters of the multi-media electronic device's curved surface of the multi-media electronic device.

[0091] The adaptive adjustment module includes:

[0092] Adopt a curved surface coordinate system mapping algorithm to establish the correspondence between the user's position and the screen curvature, and obtain the three-primary color values of each image pixel point;

[0093] Convert the three-primary color values into tristimulus values, and dynamically adjust the proportion of the three-primary colors in combination with the deformation parameters of each region of the multi-media electronic device's curved surface;

[0094] Compare the adjusted primary color ratios with the primary color ratios before adjustment to obtain the chromaticity deviation of each image pixel. For example, for the area where the brightness decays due to the surface stretching, compensate by increasing the driving currents of the red, green, and blue sub-pixels to make the color coordinates approach the target values.

[0095] Automatically correct the chromaticity deviation of each image pixel according to the user's viewing range, and generate a compensation coefficient table based on the actual color temperature and color gamut data of each pixel on the curved surface of the multimedia electronic device.

[0096] Use the compensation coefficient table to automatically correct the brightness and chromaticity offset differences caused by deformation.

[0097] For the brightness decay and chromaticity offset at different viewing angles of the curved screen, introduce a binocular vision correction model, and optimize the curved surface parameters of the multimedia electronic device through multi-angle color perception data.

[0098] Adjust the brightness and chromaticity offsets of the curved surface of the multimedia electronic device according to the user's viewing range, which can optimize the visual effects of the user at different viewing angles, ensure that the brightness and chromaticity of the image remain consistent at different viewing angles, avoid brightness or chromaticity offsets caused by viewing angle changes, reduce the unevenness problem of the curved surface of the multimedia electronic device caused by pixel differences by adjusting the brightness and chromaticity of each pixel point, can optimize the performance of each pixel point, ensure the uniformity and accuracy of the overall picture, and by monitoring and analyzing these deformation data, can adjust the content of the curved surface of the multimedia electronic device in real time, compensate for the image offset and distortion caused by deformation, and maintain the stability and accuracy of the curved surface of the multimedia electronic device.

[0099] Working principle: When using the curved surface adaptive adjustment system of the multimedia electronic device based on the flexible screen of the present invention, according to Figure 1 and Figure 2 , it includes the following steps:

[0100] S1: Real-time monitor the deformation data of the curved surface of the multimedia electronic device, collect multi-angle images of the curved surface of the multimedia electronic device, and at the same time, collect the user's viewing range in real time, as well as the image pixels at the current position and viewing range.

[0101] S2: Use the preprocessing node to clean and standardize the preprocessed data, and use the Kalman filter algorithm to process the image pixels and deformation data.

[0102] S3: Establish a spatial geometric model of the curved surface of the multimedia electronic device, analyze the three-dimensional coordinate offsets of each image pixel according to the spatial geometric model of the curved surface of the multimedia electronic device, construct a deformation parameter matrix using the three-dimensional coordinate offsets of each image pixel, and obtain the deformation parameters of the curved surface of the multimedia electronic device using the deformation parameter matrix.

[0103] S4: Obtain the tricolor color values of each image pixel, convert and adjust the tricolor color values, compare the adjusted tricolor ratio with the tricolor ratio before adjustment, and obtain the chromaticity deviation of each image pixel;

[0104] S5: Automatically correct the chromaticity deviation of each image pixel according to the user's viewing range, and generate a compensation coefficient table according to the actual color temperature and color gamut data of each pixel on the curved surface of the multimedia electronic device;

[0105] S6: Automatically correct the brightness and chromaticity offset differences caused by deformation by using the compensation coefficient table.

[0106] In summary, the curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen of the present invention uses Kalman filtering to process image pixels and deformation data, can effectively filter out the noise of image pixels, improve the quality and readability of image pixels, Kalman filtering can restore damaged or distorted images, help reconstruct the original image, ensure the reliability of image pixel processing, when processing deformation data, Kalman filtering can adjust the deformation data through prediction and update steps to make it more accurate, ensure the accuracy of the curved surface adaptive adjustment of the multimedia electronic device, the adaptive adjustment can dynamically optimize the curved surface parameters of the multimedia electronic device at different viewing angles, further eliminate edge distortion, ensure the uniformity of picture color and details when viewing from multiple angles, the adaptive adjustment combines the physical characteristics of the curved screen, can expand the optimal viewing angle range, users can still obtain clear image performance even when deviating from the center position, adjust the brightness and chromaticity offset of the curved surface of the multimedia electronic device according to the user's viewing range, can optimize the visual effect of users at different viewing angles, ensure that the brightness and chromaticity of the image remain consistent at different viewing angles, avoid brightness or chromaticity offset caused by viewing angle changes, by adjusting the brightness and chromaticity of each pixel, the uneven problem of the curved surface of the multimedia electronic device caused by pixel differences can be reduced, can optimize the performance of each pixel, ensure the uniformity and accuracy of the overall picture, by monitoring and analyzing these deformation data, the content of the curved surface of the multimedia electronic device can be adjusted in real time, compensate for image offset and distortion caused by deformation, and maintain the stability and accuracy of the curved surface of the multimedia electronic device.

[0107] It should be noted that, in this text, 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, such 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 elements inherent to such process, method, article or device.

[0108] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A curved surface adaptive adjustment system for a multimedia electronic device based on a flexible screen, characterized in that, Including: A data acquisition module, which is used to monitor the deformation data of the curved surface of the multimedia electronic device, the user's viewing range and image pixel points in real time, and perform processing; A data analysis module, which is used to establish a spatial geometric model of the curved surface of the multimedia electronic device, analyze the three-dimensional coordinate offsets of each image pixel point, and construct a deformation parameter matrix; An adaptive adjustment module, which is used to convert and adjust the three-primary-color color values, adaptively adjust the parameters of the curved surface of the multimedia electronic device, and perform optimization.

2. The curved surface adaptive adjustment system for multimedia electronic devices based on flexible screens according to claim 1, characterized in that: The data acquisition module includes: A data monitoring unit, which is used to monitor the deformation data of the curved surface of the multimedia electronic device in real time and collect multi-angle images of the curved surface of the multimedia electronic device; A data collection unit, which is used to collect the user's viewing range in real time. The viewing range includes: user position, head pose and eye movement data. At the same time, it collects images at the current position and viewing range, and extracts image pixel points; A data processing unit, which is used to preprocess the user's viewing range, image pixel points and deformation data collected in real time.

3. The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to claim 2, characterized in that: The data processing unit includes: A viewing range processing unit, which is used to process the user position, head pose and eye movement data obtained in real time; A comprehensive data processing unit, which is used to preprocess the image pixel points and deformation data by using the Kalman filtering algorithm.

4. The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to claim 3, wherein: The viewing range processing unit specifically includes: According to the user position, head pose and eye movement data obtained in real time, combined with machine vision technology, perform spatial coordinate mapping on the user position, head pose and eye movement data; Use spatial coordinate mapping to dynamically identify the user's visual focus area, enhance the feature representation ability in low-light or occluded scenarios, and obtain preprocessed data; Deploy data preprocessing nodes based on the edge computing framework, and use the preprocessing nodes to clean and standardize the format of the preprocessed data to obtain the processed viewing range.

5. The curved surface adaptive adjustment system for multimedia electronic devices based on flexible screens according to claim 2, characterized in that: The comprehensive data processing unit includes: Use the Kalman filtering algorithm to remove the noise of the image pixel points and deformation data and smooth the data, and obtain the optimized image pixel points and deformation data estimation values; Use the image pixel points and deformation data collected in real time and the image pixel points and deformation data estimation values to evaluate the current efficiency of the filtering parameters, and dynamically adjust the filtering parameters according to the evaluation results; Use the dynamically adjusted filtering parameters to perform further fusion processing on the image pixel points and deformation data, and obtain the processed image pixel points and deformation data.

6. The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to claim 1, wherein: The data analysis module includes: A model construction unit, which is used to establish a spatial geometric model of the curved surface of the multimedia electronic device; An offset analysis unit, which is used to analyze the three-dimensional coordinate offsets of each image pixel point according to the spatial geometric model of the curved surface of the multimedia electronic device; A matrix construction unit, which is used to construct a deformation parameter matrix by using the three-dimensional coordinate offsets of each image pixel point, and obtain the deformation parameters of the curved surface of the multimedia electronic device by using the deformation parameter matrix.

7. The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to claim 6, characterized in that: The matrix construction unit includes: Combine multi-angle images of the curved surface of the multimedia electronic device and use feature point matching to track the pixel displacement before and after deformation, and calculate the three-dimensional coordinate change amount corresponding to the pixel; Integrate rotation, translation, and scaling parameters using a homogeneous coordinate transformation matrix to describe the local deformation of the curved surface of a multimedia electronic device; Introduce an energy model to optimize the mapping relationship between the curved surface of a multimedia electronic device and a two-dimensional plane, reducing the cumulative error of deformation; Construct a cost function based on the stereo matching result and solve for the optimal deformation parameters through a non-linear optimization algorithm.

8. The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to claim 6, characterized in that: The offset analysis unit specifically includes: Mark feature points in multi-angle images of the curved surface of a multimedia electronic device, extract the region of interest using an image segmentation algorithm, and obtain the feature center coordinates through binarization processing; Calculate the central three-dimensional coordinates of the feature points and optimize the three-dimensional point cloud using bundle adjustment; Convert the pixel difference between the central three-dimensional coordinates of the feature points and the theoretical coordinates into a linear offset in three-dimensional space according to the pixel difference between the central three-dimensional coordinates of the feature points and the theoretical coordinates.

9. The curved surface adaptive adjustment system of the multimedia electronic device based on a flexible screen according to claim 1, characterized in that: The adaptive adjustment module includes: A color value adjustment unit for obtaining the tricolor color values of each image pixel and converting and adjusting the tricolor color values; An adjustment and optimization unit for adaptively adjusting and optimizing the parameters of the curved surface of a multimedia electronic device.

10. The curved surface adaptive adjustment system for multimedia electronic devices based on flexible screens according to claim 1, characterized in that: The adaptive adjustment module includes: Adopt a curved surface coordinate system mapping algorithm to establish the correspondence between the user's position and the screen curvature, and obtain the tricolor color values of each image pixel; Convert the tricolor color values into tristimulus values, and dynamically adjust the tricolor ratio in combination with the deformation parameters of each region of the curved surface of a multimedia electronic device; Compare the adjusted tricolor ratio with the tricolor ratio before adjustment to obtain the chromaticity deviation of each image pixel; Automatically correct the chromaticity deviation of each image pixel according to the user's viewing angle range, and generate a compensation coefficient table according to the actual color temperature and color gamut data of each pixel on the curved surface of a multimedia electronic device; Automatically correct the brightness and chromaticity offset differences caused by deformation using the compensation coefficient table; For the brightness attenuation and chromaticity offset at different viewing angles of the curved screen, introduce a binocular vision correction model to optimize the parameters of the curved surface of a multimedia electronic device through multi-angle color perception data.

Citation Information

Patent Citations

  • Electronic devices and their control methods

    CN110879671B