Stereoscopic Video Overlay Positioning for Parallax Conflict Resolution
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Solution Overview
Problem
Current methods for displaying two-dimensional objects over stereoscopic video, such as Method A and Method B, often cause eyestrain and inefficient use of screen space due to mismatched convergence angles for two-dimensional and stereoscopic objects, leading to blocked important elements and reduced stereoscopic effect.
Innovation Solution
A stereoscopic video processing device and method that calculates optimal display positions and parallax settings for two-dimensional objects based on candidate coordinates and parallax values, ensuring minimal overlap with stereoscopic content and maintaining natural, comfortable viewing experiences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If two-dimensional objects are overlaid on stereoscopic video using fixed positioning (Method A), then the two-dimensional object can be displayed on the screen, but important stereoscopic elements may be blocked and convergence angle mismatch causes eyestrain
Solution Approach 1:
The patent implements dynamic positioning of two-dimensional objects by calculating optimal display positions based on real-time parallax analysis. Instead of fixed positioning, the system continuously evaluates candidate coordinates and adjusts the two-dimensional object's position to minimize overlap with stereoscopic content, thereby preventing blocked elements and reducing convergence angle mismatch that causes eyestrain
Solution Approach 2:
The system changes the position parameter of two-dimensional objects based on parallax total value calculations. By evaluating multiple candidate coordinates and selecting the optimal position that minimizes parallax conflict, the system dynamically adjusts display parameters to avoid blocking important stereoscopic elements while maintaining screen space utilization
2Object-affected harmful factors
If screen area is divided for two-dimensional objects (Method B), then eyestrain from convergence angle mismatch is reduced, but screen space efficiency decreases
Solution Approach 1:
The patent applies local quality by allowing two-dimensional objects to be displayed in specific regions of the screen where parallax conflict is minimized. Instead of dividing the entire screen, the system analyzes local parallax characteristics at different positions and places two-dimensional objects only in areas with low parallax total values, thereby maintaining full screen utilization while avoiding convergence angle conflicts
Solution Approach 2:
The system dynamically determines the display position of two-dimensional objects based on real-time parallax analysis of different screen regions. By evaluating candidate coordinates and selecting optimal positions, the system adaptively adjusts where two-dimensional objects appear, maximizing screen space efficiency while preventing convergence angle mismatch that causes eyestrain
3Object-affected harmful factors
If two-dimensional objects are displayed with parallax adjustment, then natural viewing is improved, but calculation complexity and processing time increase
Solution Approach 1:
The patent applies partial action by calculating parallax total values only for specific candidate coordinates within a limited search range rather than analyzing the entire screen. The system defines a movable region and evaluates a finite set of candidate positions, performing sufficient parallax analysis to ensure viewing comfort while avoiding excessive computation that would increase processing time and device complexity
Data Source
AI summary
A stereoscopic video processing device includes a candidate coordinate range calculation unit configured to calculate a range of candidate coordinates of a display position of a reference point of a two-dimensional object in a screen, a parallax total value calculation unit configured to calculate a total value of parallax values of pixels of a region overlapping the two-dimensional object in the stereoscopic video, for each candidate coordinate, a display position determination unit configured to determine a candidate coordinate having a smallest total value of the parallax values as the display position of the reference point of the two-dimensional object, a maximum value specifying unit configured to specify a maximum value of the parallax values of the pixels of the region overlapping the two-dimensional object in the stereoscopic video, and a parallax setting unit configured to set the parallax of the two-dimensional object displayed in the stereoscopic video.