Stereo Image Disparity Control via Video Stream Insertion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In stereo image display, ensuring disparity angles for nearest and farthest object reproduction positions are within a certain range is crucial to prevent health issues, and existing technologies struggle to maintain perspective consistency when overlaying graphics on a stereo image in three-dimensional space.
Innovation Solution
A transmitting apparatus and method that obtain and insert disparity information for left-eye and right-eye images into a video stream, allowing for reconfiguration of image data to maintain disparity angles within a safe range and adjust graphics depth accordingly, using techniques like variable-length encoding and interpolation for efficient data transmission and display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If disparity information is transmitted for each picture to enable precise disparity angle control, then viewer comfort is improved, but data transmission volume increases
Solution Approach 1:
The patent segments disparity information transmission by dividing the video stream into groups of pictures (GOPs) and selectively inserting disparity information only at specific intervals (e.g., at the beginning of each GOP or at key frames) rather than for every single picture. This segmentation approach maintains viewer comfort by providing sufficient disparity control while significantly reducing the overall data transmission volume.
Solution Approach 2:
The patent implements periodic insertion of disparity information at regular intervals corresponding to picture groups or frames rather than continuous insertion for every picture. This periodic action ensures that disparity angle control is maintained at critical moments while reducing redundant data transmission during intervals when disparity information remains unchanged.
2Manufacturing precision
If graphics are rendered with depth in three-dimensional space to maintain perspective consistency, then stereo image quality is improved, but processing complexity increases
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the disparity value parameter for graphics based on their depth information and the perspective of surrounding objects in the stereo image. By modifying the disparity parameter according to depth relationships, the system maintains perspective consistency and stereo image quality without requiring complex geometric transformations, thus reducing processing complexity while preserving visual accuracy.
Data Source
Figure 1~2
Figure 3
Figure 4(a)~4(d)
AI summary
Displaying a stereo image in a favorable manner is enabled. First disparity information (disparity information corresponding to the nearest object reproduction position in a certain area of a picture display screen) and second disparity information (disparity information corresponding to the farthest object reproduction position in the certain area of the picture display screen) which are obtained for each of certain pictures of image data are inserted into a video stream, and the video stream is transmitted. On the basis of the first disparity information and the second disparity information, a receiving side is capable of checking whether or not disparity angles in a same-side direction and a crossing direction are within a certain range in which viewing does not cause any health problems, and reconfiguring left-eye image data and right-eye image data which form a stereo image if necessary.