A method and device for correcting deviation of LED display screen under moving viewing angle

Abstract

The present invention provides a method and device for correcting an LED display screen under a moving viewing angle, which collects binocular camera images of an observer of the LED display screen, identifies the visual center of the observer, and obtains the position of the visual center of the observer through triangular position relationship conversion; calculates the visual offset angle between the visual center of the observer and the orthographic axis of the LED display screen according to the position of the visual center of the observer; detects the relative moving speed between the visual center of the observer and the LED display screen, analyzes the color deviation information, and performs intelligent control of color correction and intelligent control of offset tracking at different viewing angles of the LED display screen; and performs complementary color balance correction of color deviation, tracking of the moving speed of the visual center of the LED display screen, and correction adjustment of the visual offset angle through complementary color balance correction adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent correction of light intensity and color control. More specifically, the present invention relates to a method and system for correcting a LED display screen under a moving perspective. Background Art

[0002] At present, the detection of the moving state of LED display screens is becoming increasingly important, such as in-vehicle LED display screens, large venue LED display screens, and household multifunctional wide-screen LED display screens, etc.; how to collect binocular camera images of the observers of the LED display screen, identify the visual centers of the observers, and obtain the positions of the visual centers of the observers; how to calculate the visual deviation angles between the visual centers of the observers and the front-view axes of the LED display screens; how to detect the relative moving speeds between the visual centers of the observers and the LED display screens, analyze color deviation information, and perform intelligent control of color correction for different viewing angles of the LED display screen and intelligent control of offset tracking; how to perform complementary color balance correction for color deviation, track the moving speed of the visual center of the LED display screen, and correct and adjust the visual deviation angle, etc. are problems yet to be solved; therefore, it is necessary to propose a method and system for correcting a LED display screen under a moving perspective to at least partially solve the problems existing in the prior art. Summary of the Invention

[0003] A series of simplified concepts are introduced in the Summary of the Invention section, which will be further described in detail in the Detailed Description section; the Summary of the Invention section of the present invention does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the protection scope of the claimed technical solution.

[0004] To at least partially solve the above problems, the present invention provides a method for correcting a LED display screen under a moving perspective, including:

[0005] S100, collecting binocular camera images of the observers of the LED display screen, identifying the visual centers of the observers, and obtaining the positions of the visual centers of the observers through triangular position relationship conversion;

[0006] S200, calculating the visual deviation angles between the visual centers of the observers and the front-view axes of the LED display screens according to the positions of the visual centers of the observers;

[0007] S300, detecting the relative moving speeds between the visual centers of the observers and the LED display screens, analyzing color deviation information, and performing intelligent control of color correction for different viewing angles of the LED display screen and intelligent control of offset tracking;

[0008] S400, performing complementary color balance correction for color deviation, tracking the moving speed of the visual center of the LED display screen, and correcting and adjusting the visual deviation angle through complementary color balance correction adjustment.

[0009] Preferably, S100 includes:

[0010] S101, collecting binocular camera images of the observer of the LED display screen by moving the binocular camera unit;

[0011] S102, identifying the visual center of the observer through image recognition based on the binocular camera images of the observer;

[0012] S103, obtaining the position of the observer's visual center according to the triangular position relationship between the observer's visual center and the moving binocular camera unit.

[0013] Preferably, S200 includes:

[0014] S201, calculating the relative distance of the position center between the position of the observer's visual center and the center of the LED display screen;

[0015] S202, calculating the visual offset angle between the observer's visual center and the front-view axis of the LED display screen according to the position of the observer's visual center and the relative distance of the position center.

[0016] Preferably, S300 includes:

[0017] S301, detecting the relative moving speed between the observer's visual center and the LED display screen through the speed detection unit;

[0018] S302, analyzing the color deviation information between the observer's visual center and the front-view axis of the LED display screen according to the visual offset angle and the relative moving speed;

[0019] S303, performing intelligent control of color correction for different viewing angles and intelligent control of offset tracking of the LED display screen according to the color deviation information.

[0020] Preferably, S400 includes:

[0021] S401, performing complementary color balance correction for color deviation through complementary color balance correction adjustment according to the intelligent control of color correction;

[0022] S402, performing tracking of the moving speed of the visual center of the LED display screen and correction adjustment of the visual offset angle according to the intelligent control of offset tracking.

[0023] An LED display screen correction device under a moving viewing angle according to the present invention includes:

[0024] A moving state detection module, collecting binocular camera images of the observer of the LED display screen, identifying the visual center of the observer, and obtaining the position of the observer's visual center through conversion of the triangular position relationship;

[0025] The moving perspective analysis module calculates the visual offset angle between the observer's visual center and the front view axis of the LED display according to the position of the observer's visual center.

[0026] The intelligent correction control module detects the relative moving speed between the observer's visual center and the LED display, analyzes the color deviation information, and performs intelligent control for color correction of different viewing angles of the LED display and intelligent control for offset tracking.

[0027] The real-time correction module of the LED display performs complementary color balance correction for color deviation, tracks the moving speed of the visual center of the LED display, and corrects the visual offset angle.

[0028] Preferably, the moving state detection module includes:

[0029] The binocular vision detection sub-module collects binocular camera images of the observer of the LED display through a moving binocular camera unit.

[0030] The binocular image vision recognition sub-module identifies the observer's visual center through image recognition based on the observer's binocular camera images.

[0031] The visual center position conversion sub-module obtains the position of the observer's visual center according to the triangular position relationship between the observer's visual center and the moving binocular camera unit.

[0032] Preferably, the moving perspective analysis module includes:

[0033] The central relative distance calculation and analysis sub-module calculates the relative distance of the position center between the observer's visual center position and the center of the LED display according to the observer's visual center position.

[0034] The front view axis visual offset analysis sub-module calculates the visual offset angle between the observer's visual center and the front view axis of the LED display according to the observer's visual center position and the relative distance of the position center.

[0035] Preferably, the intelligent correction control module includes:

[0036] The moving speed tracking sub-module detects the relative moving speed between the observer's visual center and the LED display through a speed detection unit.

[0037] The color deviation information sub-module analyzes the color deviation information between the observer's visual center and the front view axis of the LED display according to the visual offset angle and the relative moving speed.

[0038] The correction intelligent control sub-module performs intelligent control for color correction of different viewing angles of the LED display and intelligent control for offset tracking according to the color deviation information.

[0039] Preferably, the real-time deviation correction module of the LED display screen includes:

[0040] A complementary color balance deviation correction sub-module, which performs complementary color balance deviation correction for color deviation through complementary color balance deviation correction adjustment according to intelligent color deviation control.

[0041] A moving tracking angle deviation correction sub-module, which performs tracking of the moving speed of the visual center of the LED display screen and deviation correction adjustment of the visual deviation angle according to intelligent offset tracking control.

[0042] Compared with the prior art, the present invention has at least the following beneficial effects:

[0043] A method and device for correcting the deviation of an LED display screen under a moving viewing angle according to the present invention collect binocular camera images of an observer of the LED display screen, identify the visual center of the observer, and obtain the position of the visual center of the observer through triangular position relationship conversion; calculate the visual deviation angle between the visual center of the observer and the front-view axis of the LED display screen according to the position of the visual center of the observer; detect the relative moving speed between the visual center of the observer and the LED display screen, analyze color deviation information, and perform intelligent control of color deviation correction and offset tracking for different viewing angles of the LED display screen; perform complementary color balance deviation correction for color deviation through complementary color balance deviation correction adjustment, tracking of the moving speed of the visual center of the LED display screen, and deviation correction adjustment of the visual deviation angle; the detection accuracy of the moving state of the LED display screen is greatly improved according to the present invention; binocular camera images of an observer of the LED display screen can be collected, the visual center of the observer can be identified, and the position of the visual center of the observer can be obtained; the visual deviation angle between the visual center of the observer and the front-view axis of the LED display screen can be calculated; the relative moving speed between the visual center of the observer and the LED display screen can be detected, color deviation information can be analyzed, and intelligent control of color deviation correction and offset tracking for different viewing angles of the LED display screen can be performed; complementary color balance deviation correction for color deviation, tracking of the moving speed of the visual center of the LED display screen, and deviation correction adjustment of the visual deviation angle can be performed, and the application prospect is broad.

[0044] For the method and device for correcting the deviation of an LED display screen under a moving viewing angle according to the present invention, other advantages, objectives, and features of the present invention will be partially reflected by the following description and partially understood by those skilled in the art through research and practice of the present invention. Description of the Drawings

[0045] 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:

[0046] Figure 1 It is a diagram of an embodiment of a method for correcting the deviation of an LED display screen under a moving viewing angle according to the present invention.

[0047] Figure 2 This is another embodiment diagram of the LED display screen deviation correction method under a moving perspective according to the present invention.

[0048] Figure 3 This is an embodiment diagram of the LED display screen deviation correction device under a moving perspective according to the present invention. Detailed implementation manners

[0049] The following further elaborates on the present invention in conjunction with the accompanying drawings and embodiments, so that those skilled in the art can implement it with reference to the specification; as Figures 1-3 shown, the present invention provides an LED display screen deviation correction method under a moving perspective, including:

[0050] S100, collect binocular camera images of the LED display screen observer, identify the visual center of the observer, and obtain the position of the observer's visual center through triangular position relationship conversion;

[0051] S200, calculate the visual offset angle between the observer's visual center and the front-view axis of the LED display screen according to the position of the observer's visual center;

[0052] S300, detect the relative moving speed between the observer's visual center and the LED display screen, analyze the color deviation information, and perform intelligent control of color correction for different viewing angles of the LED display screen and intelligent control of offset tracking;

[0053] S400, perform complementary color balance correction adjustment to perform complementary color balance correction of color deviation, track the moving speed of the visual center of the LED display screen, and perform correction adjustment of the visual offset angle.

[0054] The principle and effects of the above technical solution are as follows: The present invention provides a method for correcting the deviation of an LED display screen from a moving perspective, including: collecting binocular camera images of an observer of the LED display screen, identifying the visual center of the observer, and obtaining the position of the visual center of the observer through triangular position relationship conversion; calculating the visual deviation angle between the visual center of the observer and the front-view axis of the LED display screen according to the position of the visual center of the observer; detecting the relative moving speed between the visual center of the observer and the LED display screen, analyzing color deviation information, and performing intelligent control for color deviation correction of different viewing angles of the LED display screen and intelligent control for offset tracking; performing complementary color balance correction adjustment for color deviation, tracking the moving speed of the visual center of the LED display screen, and correcting the visual deviation angle; the detection accuracy of the moving state of the LED display screen of the present invention is greatly improved; it can collect binocular camera images of an observer of the LED display screen, identify the visual center of the observer, and obtain the position of the visual center of the observer; it can calculate the visual deviation angle between the visual center of the observer and the front-view axis of the LED display screen; it can detect the relative moving speed between the visual center of the observer and the LED display screen, analyze color deviation information, and perform intelligent control for color deviation correction of different viewing angles of the LED display screen and intelligent control for offset tracking; it can perform complementary color balance correction for color deviation, track the moving speed of the visual center of the LED display screen, and correct the visual deviation angle, and has broad application prospects.

[0055] In one embodiment, S100 includes:

[0056] S101, collecting binocular camera images of an observer of the LED display screen through a moving binocular camera unit;

[0057] S102, identifying the visual center of the observer through image recognition according to the binocular camera images of the observer;

[0058] S103, obtaining the position of the visual center of the observer according to the triangular position relationship between the visual center of the observer and the moving binocular camera unit.

[0059] The principle and effect of the above technical solution are as follows: By moving the binocular camera unit, binocular camera images of the observers of the LED display screen are collected; according to the binocular camera images of the observers, the visual center of the observers is identified through image recognition; according to the triangular positional relationship between the visual center of the observers and the moving binocular camera unit, the position of the visual center of the observers is obtained; the visual center includes the binocular vision imaging center point under the moving perspective, and the center between the pupils with binoculars looking straight ahead is the binocular vision imaging center point; obtaining the position of the visual center of the observers according to the triangular positional relationship between the visual center of the observers and the moving binocular camera unit includes: according to the binocular camera images of the observers, dividing the two camera images at the same moment of the binocular camera images of the observers into the first binocular camera image and the second binocular camera image; identifying the human eye features of the first binocular camera image and the human eye features of the second binocular camera image of the first and second binocular camera images through image recognition; obtaining the visual center of the observers through arithmetic analysis of the binocular camera optical imaging relationship according to the human eye features of the first binocular camera image and the human eye features of the second binocular camera image; according to the visual center of the observers and the moving binocular camera unit, a triangular positional relationship is formed between the visual center of the observers and the imaging coordinate center of the moving binocular camera unit, and the position of the visual center of the observers is obtained.

[0060] In one embodiment, S200 includes:

[0061] S201, calculating the relative distance of the position center between the position of the visual center of the observer and the center of the LED display screen according to the position of the visual center of the observer;

[0062] S202, calculating the visual offset angle between the visual center of the observer and the front-view axis of the LED display screen according to the position of the visual center of the observer and the relative distance of the position center.

[0063] The principle and effect of the above technical solution are as follows: Calculating the relative distance of the position center between the position of the visual center of the observer and the center of the LED display screen according to the position of the visual center of the observer; calculating the visual offset angle between the visual center of the observer and the front-view axis of the LED display screen according to the position of the visual center of the observer and the relative distance of the position center; calculating the relative distance of the position center between the position of the visual center of the observer and the center of the LED display screen according to the position of the visual center of the observer includes: establishing a coordinate system of the LED display screen with the center of the LED display screen as the origin of the spatial coordinates, the plane of the LED display screen as the XY-axis plane, and the perpendicular line of the plane of the LED display screen at the center of the LED display screen as the Z-axis; calculating the relative distance between the position of the visual center of the observer and the center of the LED display screen according to the position of the visual center of the observer in the coordinate system of the LED display screen, which is the relative distance of the position center; the front-view axis of the LED display screen is the perpendicular axis of the plane of the LED display screen at the center of the LED display screen in the coordinate system of the LED display screen.

[0064] In one embodiment, S300 includes:

[0065] S301, detecting the relative movement speed between the visual center of the observer and the LED display screen through a speed detection unit;

[0066] S302, analyzing the color deviation information between the visual center of the observer and the front view axis of the LED display screen according to the visual offset angle and the relative movement speed;

[0067] S303, performing intelligent control for color correction of different viewing angles and intelligent control for offset tracking of the LED display screen according to the color deviation information.

[0068] The principle and effect of the above technical solution are: detecting the relative movement speed between the visual center of the observer and the LED display screen through a speed detection unit; analyzing the color deviation information between the visual center of the observer and the front view axis of the LED display screen according to the visual offset angle and the relative movement speed; performing intelligent control for color correction of different viewing angles and intelligent control for offset tracking of the LED display screen according to the color deviation information.

[0069] In one embodiment, S400 includes:

[0070] S401, performing complementary color balance correction for color deviation through complementary color balance correction adjustment according to the intelligent control for color correction;

[0071] S402, performing tracking of the movement speed of the visual center of the LED display screen and correction adjustment of the visual offset angle according to the intelligent control for offset tracking.

[0072] The principle and effect of the above technical solution are as follows: According to color correction intelligent control, complementary color balance correction adjustment is carried out for color deviation complementary color balance correction; according to offset tracking intelligent control, the moving speed tracking of the visual center of the LED display screen and the correction adjustment of the visual offset angle are carried out; according to offset tracking intelligent control, the moving speed tracking of the visual center of the LED display screen and the correction adjustment of the visual offset angle include: according to offset tracking intelligent control, through a three-point partition reflection array, the moving speed of the visual center of the LED display screen and the correction of the visual offset angle are adjusted in real time; the three-point partition reflection array includes: an LED partition reflection film, a reflection film substrate, a three-point support of the substrate and a piezoelectric ceramic for driving the support point; the LED partition reflection film is attached to the reflection film substrate and is arranged around the LED pixel points. The LED partition reflection film reflects the light of the LED light source in partitions to adjust the brightness of the local area and the micro-offset angle of the LED light source light; one end of the three-point support of the substrate is fixedly supported on the reflection film substrate, and the other end is connected to the piezoelectric ceramic for driving the support point; according to offset tracking intelligent control, the piezoelectric ceramic for driving the support point is controlled by the offset tracking intelligent control electrical signal, so as to control the expansion and contraction of the three-point support of the substrate, adjust the inclination direction and angle of the reflection film substrate, adjust the reflection direction and angle of the LED partition reflection film, and adjust the moving speed of the visual center of the LED display screen and the correction of the visual offset angle in real time.

[0073] A deviation correction device for an LED display screen under a moving viewing angle according to the present invention includes:

[0074] A moving state detection module, which collects binocular camera images of an observer of the LED display screen, identifies the visual center of the observer, and obtains the position of the visual center of the observer through triangular position relationship conversion;

[0075] A moving viewing angle analysis module, which calculates the visual offset angle between the visual center of the observer and the front view axis of the LED display screen according to the position of the visual center of the observer;

[0076] An intelligent deviation correction control module, which detects the relative moving speed between the visual center of the observer and the LED display screen, analyzes color deviation information, and performs intelligent control of color deviation correction and offset tracking intelligent control for different viewing angles of the LED display screen;

[0077] An LED display screen real-time deviation correction module, which performs complementary color balance correction adjustment for color deviation complementary color balance correction, moving speed tracking of the visual center of the LED display screen, and correction adjustment of the visual offset angle.

[0078] The principle and effect of the above technical solution are as follows: A mobile perspective LED display deviation correction device of the present invention includes: a mobile state detection module that collects binocular camera images of the LED display observer, identifies the visual center of the observer, and obtains the position of the observer's visual center through triangular position relationship conversion; a mobile perspective analysis module that calculates the visual deviation angle between the observer's visual center and the front view axis of the LED display according to the position of the observer's visual center; an intelligent deviation correction control module that detects the relative movement speed between the observer's visual center and the LED display, analyzes color deviation information, and performs intelligent control of color deviation correction for different viewing angles of the LED display and intelligent control of offset tracking; an LED display real-time deviation correction module that performs complementary color balance correction adjustment for color deviation, complementary color balance correction of color deviation, tracking of the moving speed of the visual center of the LED display, and correction adjustment of the visual deviation angle; the present invention greatly improves the detection accuracy of the mobile state of the LED display; it can collect binocular camera images of the LED display observer, identify the visual center of the observer, and obtain the position of the observer's visual center; it can calculate the visual deviation angle between the observer's visual center and the front view axis of the LED display; it can detect the relative movement speed between the observer's visual center and the LED display, analyze color deviation information, and perform intelligent control of color deviation correction for different viewing angles of the LED display and intelligent control of offset tracking; it can perform complementary color balance correction of color deviation, tracking of the moving speed of the visual center of the LED display, and correction adjustment of the visual deviation angle, and has broad application prospects.

[0079] In one embodiment, the mobile state detection module includes:

[0080] A binocular vision detection sub-module that collects binocular camera images of the LED display observer through a mobile binocular camera unit;

[0081] A binocular image vision recognition sub-module that identifies the visual center of the observer through image recognition according to the binocular camera images of the observer;

[0082] A visual center position conversion sub-module that obtains the position of the observer's visual center according to the triangular position relationship between the observer's visual center and the mobile binocular camera unit.

[0083] The principles and effects of the above technical solution are as follows: The mobile state detection module includes: a binocular vision detection sub-module that collects binocular camera images of the observers of the LED display through a mobile binocular camera unit; a binocular image vision recognition sub-module that identifies the visual center of the observer through image recognition based on the binocular camera images of the observer; a visual center position conversion sub-module that obtains the position of the observer's visual center according to the triangular position relationship between the observer's visual center and the mobile binocular camera unit; the visual center includes the binocular vision imaging center point under the mobile perspective, and the center between the pupils with binocular horizontal view is the binocular vision imaging center point; obtaining the position of the observer's visual center according to the triangular position relationship between the observer's visual center and the mobile binocular camera unit includes: dividing the two camera images at the same moment of the observer's binocular camera images into the first binocular camera image and the second binocular camera image according to the observer's binocular camera images; identifying the human eye features of the first binocular camera image and the human eye features of the second binocular camera image of the first and second binocular camera images through image recognition; obtaining the observer's visual center through binocular camera optical imaging relationship operation and analysis based on the human eye features of the first binocular camera image and the human eye features of the second binocular camera image; obtaining the position of the observer's visual center according to the triangular position relationship formed by the observer's visual center and the mobile binocular camera unit and the imaging coordinate center of the mobile binocular camera unit.

[0084] In one embodiment, the mobile perspective analysis module includes:

[0085] A central relative distance calculation and analysis sub-module that calculates the relative distance of the position center between the position of the observer's visual center and the center of the LED display according to the position of the observer's visual center;

[0086] A frontal axis visual offset analysis sub-module that calculates the visual offset angle between the observer's visual center and the frontal axis of the LED display according to the position of the observer's visual center and the relative distance of the position center.

[0087] The principle and effect of the above technical solution are as follows: The moving perspective analysis module includes: a central relative distance calculation and analysis sub-module, which calculates the position central relative distance between the observer's visual center position and the center of the LED display screen according to the observer's visual center position; a front-view axis visual offset analysis sub-module, which calculates the visual offset angle between the observer's visual center and the front-view axis of the LED display screen according to the observer's visual center position and the position central relative distance; calculating the position central relative distance between the observer's visual center position and the center of the LED display screen according to the observer's visual center position includes: establishing a coordinate system of the LED display screen with the center of the LED display screen as the origin of the space coordinates, the plane of the LED display screen as the XY-axis plane, and the perpendicular line of the LED display screen plane at the center of the LED display screen as the Z-axis; calculating the relative distance between the observer's visual center position and the center of the LED display screen according to the observer's visual center position in the coordinate system of the LED display screen, which is the position central relative distance; the front-view axis of the LED display screen is the perpendicular axis of the LED display screen plane at the center of the LED display screen in the coordinate system of the LED display screen..

[0088] In one embodiment, the intelligent correction control module includes:

[0089] A moving speed tracking sub-module, which detects the relative moving speed between the observer's visual center and the LED display screen through a speed detection unit;

[0090] A color deviation information sub-module, which analyzes the color deviation information between the observer's visual center and the front-view axis of the LED display screen according to the visual offset angle and the relative moving speed;

[0091] A correction intelligent control sub-module, which performs intelligent color correction control for different viewing angles of the LED display screen and intelligent offset tracking control according to the color deviation information.

[0092] The principle and effect of the above technical solution are as follows: The intelligent correction control module includes: a moving speed tracking sub-module, which detects the relative moving speed between the observer's visual center and the LED display screen through a speed detection unit; a color deviation information sub-module, which analyzes the color deviation information between the observer's visual center and the front-view axis of the LED display screen according to the visual offset angle and the relative moving speed; a correction intelligent control sub-module, which performs intelligent color correction control for different viewing angles of the LED display screen and intelligent offset tracking control according to the color deviation information.

[0093] In one embodiment, the LED display screen real-time correction module includes:

[0094] A complementary color balance correction sub-module, which performs complementary color balance correction for color deviation through complementary color balance correction adjustment according to the intelligent color correction control;

[0095] The mobile tracking angle correction sub-module performs LED display visual center movement speed tracking and visual offset angle correction adjustment according to the offset tracking intelligent control.

[0096] The principle and effect of the above technical solution are as follows: The real-time correction module of the LED display includes: a complementary color balance correction sub-module that performs complementary color balance correction for color deviation through complementary color balance correction adjustment according to the color correction intelligent control; a mobile tracking angle correction sub-module that performs LED display visual center movement speed tracking and visual offset angle correction adjustment according to the offset tracking intelligent control; performing LED display visual center movement speed tracking and visual offset angle correction adjustment according to the offset tracking intelligent control includes: according to the offset tracking intelligent control, through a three-point partition reflection array, the movement speed of the visual center of the LED display and the visual offset angle correction are adjusted in real time; the three-point partition reflection array includes: an LED partition reflection film, a reflection film substrate, a substrate three-point support, and a support drive piezoelectric ceramic; the LED partition reflection film is attached to the reflection film substrate and is arranged around the LED pixel points, and the LED partition reflection film partitions and reflects the light of the LED light source to adjust the local area brightness and the micro-deviation angle of the LED light source light; one end of the substrate three-point support fixedly supports the reflection film substrate and the other end is connected to the support drive piezoelectric ceramic; according to the offset tracking intelligent control, the support drive piezoelectric ceramic is controlled by the offset tracking intelligent control electrical signal to control the expansion and contraction of the substrate three-point support, adjust the tilt direction and angle of the reflection film substrate, adjust the reflection direction and angle of the LED partition reflection film, and adjust the movement speed of the visual center of the LED display and the visual offset angle correction in real time.

[0097] Although the embodiments of the present invention have been disclosed as above, they are not limited to only the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and the examples shown and described here.

Claims

1. A method for correcting the deviation of an LED display screen under a moving viewing angle, characterized in that: include: S100, collecting binocular camera images of the LED display screen observer, identifying the observer's visual center, and obtaining the observer's visual center position through triangular position relationship conversion; S200, calculating the visual offset angle between the visual center of the observer and the normal viewing axis of the LED display screen according to the visual center position of the observer; S300 detects the relative movement speed between the observer's visual center and the LED display screen, analyzes the color deviation information, and performs intelligent control of color deviation correction and offset tracking at different viewing angles of the LED display screen; S400, through complementary color balance correction adjustment, color deviation complementary color balance correction, LED display visual center movement speed tracking and visual deviation angle correction adjustment; S300 includes: S301, detecting the relative moving speed between the observer's visual center and the LED display screen through a speed detection unit; S302, analyzing the color deviation information between the observer's visual center and the normal viewing axis of the LED display screen according to the visual deviation angle and the relative moving speed; S303, based on the color deviation information, intelligent control of color deviation correction and offset tracking at different viewing angles of the LED display is performed.

2. According to the method for correcting the deviation of an LED display screen under a moving viewing angle according to claim 1, it is characterized in that: S100 includes: S101, collecting binocular camera images of an observer of the LED display screen by moving the binocular camera unit; S102, identifying the visual center of the observer through the image according to the binocular camera image of the observer; S103, obtaining the position of the observer's visual center according to the triangular position relationship between the observer's visual center and the mobile binocular camera unit.

3. The method for correcting the deviation of an LED display screen under a moving viewing angle according to claim 1, characterized in that: S200 includes: S201, calculating the relative distance between the observer's visual center and the center of the LED display screen according to the observer's visual center. S202, calculating the visual offset angle between the observer's visual center and the normal viewing axis of the LED display screen according to the observer's visual center position and the relative distance between the position centers.

4. The method for correcting the deviation of an LED display screen under a moving viewing angle according to claim 1, characterized in that: S400 includes: S401, performing complementary color balance correction of color deviation according to color correction intelligent control through complementary color balance correction adjustment; S402, according to the offset tracking intelligent control, the moving speed of the visual center of the LED display screen is tracked and the visual offset angle is corrected and adjusted.

5. A device for correcting the deviation of an LED display screen under a moving viewing angle, characterized in that: include: The mobile state detection module collects binocular camera images of the LED display screen observer, identifies the observer's visual center, and obtains the observer's visual center position through triangular position relationship conversion; The mobile viewing angle analysis module calculates the visual offset angle between the observer's visual center and the normal viewing axis of the LED display screen according to the observer's visual center position; Intelligent deviation correction control module detects the relative movement speed between the observer's visual center and the LED display screen, analyzes the color deviation information, and performs intelligent deviation correction and offset tracking control for the LED display screen at different viewing angles; The LED display real-time correction module performs complementary color balance correction of color deviation, LED display visual center movement speed tracking and visual deviation angle correction adjustment through complementary color balance correction adjustment; Intelligent deviation correction control module, including: The moving speed tracking submodule detects the relative moving speed between the observer's visual center and the LED display screen through a speed detection unit; The color deviation information submodule analyzes the color deviation information between the observer's visual center and the LED display screen's frontal axis according to the visual deviation angle and relative movement speed; The intelligent control submodule for deviation correction performs intelligent control of color deviation correction and offset tracking at different viewing angles of the LED display screen based on the color deviation information.

6. The LED display screen deviation correction device under mobile viewing angle according to claim 5, characterized in that: The mobile status detection module includes: The binocular vision detection submodule collects binocular camera images of the LED display screen observer by moving the binocular camera unit; The binocular image visual recognition submodule recognizes the observer's visual center through the image based on the observer's binocular camera image; The visual center position conversion submodule obtains the observer's visual center position according to the triangular position relationship between the observer's visual center and the mobile binocular camera unit.

7. The LED display screen deviation correction device under mobile viewing angle according to claim 5, characterized in that: Mobile perspective analysis module, including: The center relative distance calculation and analysis submodule calculates the center relative distance between the observer's visual center and the center of the LED display screen according to the observer's visual center position; The visual deviation analysis submodule of the orthographic axis calculates the visual deviation angle between the observer's visual center and the orthographic axis of the LED display screen according to the observer's visual center position and the relative distance between the position centers.

8. The LED display screen deviation correction device under mobile viewing angle according to claim 5, characterized in that: LED display real-time correction module, including: The complementary color balance correction submodule performs complementary color balance correction of color deviation according to the color correction intelligent control through complementary color balance correction adjustment; The mobile tracking angle correction submodule tracks the moving speed of the visual center of the LED display and corrects the visual offset angle based on the offset tracking intelligent control.

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