Video image display method and apparatus, multimedia device and storage medium

Patent metadata

Field	Value
Publication number	US-12160680-B2
Application number	US-202318166682-A
Country	US
Kind code	B2
Filing date	Feb 9, 2023
Priority date	Aug 26, 2020
Publication date	Dec 3, 2024
Grant date	Dec 3, 2024

Abstract

Disclosed is a video image display method, applied to a multimedia device. The video image display method includes acquiring a target image in a preset area; in response that the target image has a left eye object and a right eye object, determining spatial positional data of the left eye object and the right eye object respectively relative to the multimedia device according to the target image; determining a deflection coefficient of a to-be-displayed video image according to the spatial positional data of the left eye object and the right eye object respectively relative to the multimedia device; deflecting the to-be-displayed video image according to the deflection coefficient to obtain a target video image after deflecting. Disclosed also are a video image display apparatus, a multimedia device and a storage medium.

First claim

What is claimed is:

1. A video image display method applied to a multimedia device, comprising:
acquiring a target image in a preset area;
processing the target image according to a preset image-processing rule to obtain a frame image;
determining a first vertical distance between a left eye object and a plane where a display area of the multimedia device is located, in a direction perpendicular to the plane according to a first parameter of the left eye object in the frame image and a first preset rule;
determining a first direction coordinate of the left eye object projected on the plane where the display area of the multimedia device is located, according to a second parameter of the left eye object in the frame image and a second preset rule; and
determining first spatial positional data of the left eye object relative to the multimedia device according to the first vertical distance and the first direction coordinate;
determining a deflection coefficient of a to-be-displayed video image according to the spatial positional data of the left eye object relative to the multimedia device;
deflecting the to-be-displayed video image according to the deflection coefficient to obtain a target video image after deflecting; and
displaying the target video image.

2. The video image display method of claim 1 , wherein the operation of determining the first vertical distance between the left eye object and the plane where the display area of the multimedia device is located, in the direction perpendicular to the plane according to the first parameter of the left eye object in the frame image and the first preset rule comprises:
obtaining a first pixel value corresponding to the left eye object;
determining a first gray scale corresponding to the left eye object according to the first pixel value;
determining a first average grayscale corresponding to the left eye object according to the first gray scale;
determining a first grayscale difference corresponding to the left eye object according to the first gray scale and the first average grayscale;
determining a first spatial frequency corresponding to the left eye object according to the first grayscale difference;
determining a maximum absolute value of the first spatial frequency as a first definition corresponding to the left eye object; and
determining the first vertical distance between the left eye object and the plane where the display area of the multimedia device is located, in the direction perpendicular to the plane according to a preset function and the first definition.

3. The video image display method of claim 1 , wherein the video image display method further comprises:
determining a third vertical distance between a first background object and the plane where the display area of the multimedia device is located, in the direction perpendicular to the plane according to a first background object parameter in the frame image and the first preset rule.

4. The video image display method of claim 3 , wherein the operation of determining the first direction coordinate of the left eye object projected on the plane where the display area of the multimedia device is located, according to the second parameter of the left eye object in the frame image and the second preset rule comprises:
obtaining a first pixel location corresponding to the left eye object in the frame image;
establishing a plane coordinate system with a center of the frame image as a center of the plane coordinate system;
determining a first plane coordinate of the left eye object on the plane coordinate system according to the first pixel location and the plane coordinate system; and
determining the first direction coordinate of the left eye object projected on the plane where the display area of the multimedia device is located, according to the first vertical distance, the third vertical distance and the first plane coordinate.

5. The video image display method of claim 1 , wherein after the operation of deflecting the to-be-displayed video image according to the deflection coefficient to obtain the target video image after deflecting, the video image display method further comprises:
obtaining a target object and a second background object in the target video image;
zooming the target object according to a display area range of the multimedia device to obtain an intermediate object, wherein the intermediate object is located within the display area range of the multimedia device;
capturing the second background object according to the display area range of the multimedia device to obtain a second intermediate background object, wherein the second intermediate background object is located within the display area range of the multimedia device; and
integrating the intermediate object and the second intermediate background object to obtain an intergration video image;
wherein the operation of displaying the target video image comprises:
displaying the intergration video image.

6. The video image display method of claim 5 , wherein after the operation of integrating the intermediate object and the second intermediate background object to obtain the intergration video image, the video image display method further comprises:
obtaining a void area in a display area of the multimedia device, the void area being an area not covered by the intergration video image;
determining a filling pattern of the void area according to the second intermediate background object; and
splicing the intergration video image and the filling pattern to obtain a complete video image;
wherein the operation of displaying the target video image comprises:
displaying the complete video image.

7. A multimedia device, wherein the multimedia device comprises a memory, a processor, and a video image display program stored on the memory and executed by the processor, the processor, when executing the video image display program, implements operations of the video image display method of claim 1 .

8. A non-transitory storage medium, wherein the non-transitory storage medium stores a video image display program, when the video image display program is executed by a processor, the processor implements operations of the video image display method of claim 1 .

9. A video image display method applied to a multimedia device, comprising:
acquiring a target image in a preset area;
processing the target image according to a preset image-processing rule to obtain a frame image;
determining a second vertical distance between a right eye object and a plane where a display area of the multimedia device is located, in a direction perpendicular to the plane according to a first parameter of the right eye object in the frame image and a first preset rule;
determining a second direction coordinate of the right eye object projected on the plane where the display area of the multimedia device is located, according to a second parameter of the right eye object in the frame image and a second preset rule;
determining second spatial positional data of the right eye object relative to the multimedia device according to the second vertical distance and the second direction coordinate;
determining a deflection coefficient of a to-be-displayed video image according to the spatial positional data of the right eye object relative to the multimedia device;
deflecting the to-be-displayed video image according to the deflection coefficient to obtain a target video image after deflecting; and
displaying the target video image.

10. The video image display method of claim 9 , wherein the operation of determining the second vertical distance between the right eye object and the plane where the display area of the multimedi

Assignees

• Shenzhen Skyworth Rgb Electronics Co Ltd

Inventors

• Xu Yaoling
• Li Jian
• Hong Wensheng
• Sun Yanzhu

Classifications

• H04N5/265

  Mixing · CPC title

• H04N13/371

  for tracking viewers with different interocular distances; for tracking rotational head movements around the vertical axis · CPC title

• H04N13/378

  for tracking rotational head movements around an axis perpendicular to the screen · CPC title

• H04N13/366

  using viewer tracking · CPC title

• H04N21/4312

  involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations · CPC title