Granted Patent B1

US 12,375,639 · App. 18/619,552 · Granted Jul 29, 2025

Inventor: Quansheng Ma (Beijing, CN)

H04N13/349H04N13/302H04N13/324H04N13/398

Abstract

Claims (34)

1. A naked-eye suspended three-dimensional video display method, comprising:

placing a single-viewpoint video file in a preset four-dimensional coordinate system based on a preset parallax, wherein the preset four-dimensional coordinate system is generated by a three-dimensional display coordinate system and a parallax coordinate axis, and the parallax coordinate axis is established based on a multi-viewpoint parameter and the three-dimensional display coordinate system;

determining multiple target viewpoints in the preset four-dimensional coordinate system according to a position of the single-viewpoint video file and the multi-viewpoint parameter;

rendering the single-viewpoint video file based on each target viewpoint, and obtaining a parallax file corresponding to each target viewpoint;

rendering and integrating each parallax file, and obtaining a naked-eye suspended three-dimensional video;

determining grating parameters according to the naked-eye suspended three-dimensional video; and

displaying the naked-eye suspended three-dimensional video according to the grating parameters.

2. The naked-eye suspended three-dimensional video display method according to claim 1 , wherein the placing the single-viewpoint video file in the preset four-dimensional coordinate system based on the preset parallax comprises:

determining a target placement position on the parallax coordinate axis in the preset four-dimensional coordinate system based on the preset parallax; and

taking the target placement position as a location of the single-viewpoint video file, and placing the single-viewpoint video file in the target placement position.

3. The naked-eye suspended three-dimensional video display method according to claim 2 , wherein before the determining the target placement position on the parallax coordinate axis in the preset four-dimensional coordinate system based on the preset parallax, the method further comprises:

establishing the parallax coordinate axis based on the multi-viewpoint parameter and the three-dimensional display coordinate system; and

determining a display sub-coordinate system according to the multi-viewpoint parameter, and establishing the preset four-dimensional coordinate system according to the display sub-coordinate system and the parallax coordinate axis.

4. The naked-eye suspended three-dimensional video display method according to claim 1 , wherein the determining multiple target viewpoints in the preset four-dimensional coordinate system according to the position of the single-viewpoint video file and the multi-viewpoint parameter comprises:

determining a target shooting axis in the preset four-dimensional coordinate system according to the position of the single-viewpoint video file; and

determining the multiple target viewpoints at preset intervals according to the target shooting axis and the multi-viewpoint parameter.

5. The naked-eye suspended three-dimensional video display method according to claim 1 , wherein the determining grating parameters according to the naked-eye suspended three-dimensional video comprises:

obtaining a corresponding multi-viewpoint parameter according to the naked-eye suspended three-dimensional video; and

determining the grating parameters according to the multi-viewpoint parameter.

6. The naked-eye suspended three-dimensional video display method according to claim 1 , wherein before the placing the single-viewpoint video file in the preset four-dimensional coordinate system based on the preset parallax, the method further comprises:

performing cutout processing on an original video file, and obtaining a transparent display video file; and

taking the transparent display video file as the single-viewpoint video file.

7. The naked-eye suspended three-dimensional video display method according to claim 1 , wherein the rendering the single-viewpoint video file based on each target viewpoint, and obtaining the parallax file corresponding to each target viewpoint comprises:

shooting the single-viewpoint video file based on each target viewpoint, and obtaining a shooting file; and

coloring each pixel in the shooting file, and obtaining the parallax file corresponding to each target viewpoint.

8. A naked-eye suspended three-dimensional video display device, comprising:

a file placement module configured to place a single-viewpoint video file in a preset four-dimensional coordinate system based on a preset parallax, wherein the preset four-dimensional coordinate system is generated by a three-dimensional display coordinate system and a parallax coordinate axis, and the parallax coordinate axis is established based on a multi-viewpoint parameter and the three-dimensional display coordinate system;

a viewpoint determination module configured to determine multiple target viewpoints in the preset four-dimensional coordinate system according to a position of the single-viewpoint video file and the multi-viewpoint parameter;

a file rendering module configured to render the single-viewpoint video file based on each target viewpoint, and obtain a parallax file corresponding to each target viewpoint;

a file integration module configured to render and integrate each parallax file, and obtain a naked-eye suspended three-dimensional video;

a parameter determination module configured to determine grating parameters according to the naked-eye suspended three-dimensional video; and

a video display module configured to display the naked-eye suspended three-dimensional video according to the grating parameters.

9. A naked-eye suspended three-dimensional video display equipment, comprising: a memory, a processor and a naked-eye suspended three-dimensional video display program stored on the memory and operable on the processor, wherein the naked-eye suspended three-dimensional video display program is configured to realize the naked-eye suspended three-dimensional video display method according to claim 1 .

10. A non-transitory computer-readable storage medium storing a naked-eye suspended three-dimensional video display program, wherein the naked-eye suspended three-dimensional video display method according to claim 1 is realized when the naked-eye suspended three-dimensional video display program is executed by a processor.

References Cited (13)