Adaptive Polarization Converter for Flicker-Free Multi-View Video
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Solution Overview
Problem
Conventional polarized stereo video display techniques suffer from reduced resolution and flickering issues, especially when displaying frames with motion in specific directions or still images, due to fixed scan line selection orders and higher temporal frame rates.
Innovation Solution
A video processing apparatus and method that includes a motion information detector and a polarization converter, which detect motion information from multi-view video streams and adapt polarization conversion modes to optimize scan line selection based on motion status, avoiding fixed frame rates and improving display quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional method extracts half of scan lines to generate polarized video stream, then the implementation cost is reduced, but the resolution of the stereo image is reduced to half
Solution Approach 1:
The patent applies dynamics by making the scan line selection adaptive rather than fixed. The system dynamically selects which scan lines to extract based on motion information detected from the stereo video stream. This allows the scan line selection order to change adaptively according to the actual motion content, resolving the contradiction by enabling high resolution display without requiring complex hardware, thus maintaining low implementation cost while avoiding resolution loss.
2Manufacturing precision
If a higher temporal frame rate is employed to increase resolution, then the stereo image resolution is improved, but the flickering problem occurs for frames with motion in specific directions or still images
Solution Approach 1:
The patent makes the scan line selection dynamic by adapting it to motion information. Instead of using a fixed selection order that causes flickering for certain motion directions, the system dynamically adjusts which scan lines are selected based on the detected motion. This dynamic adaptation eliminates flickering while maintaining high temporal frame rate, thus improving display quality stability without sacrificing resolution.
Solution Approach 2:
The patent changes the parameter of scan line selection based on motion information. By detecting motion in the stereo video stream and adjusting the scan line selection accordingly, the system optimizes display quality for different motion scenarios. This parameter change approach allows the system to maintain high temporal frame rate while avoiding flickering, resolving the contradiction between resolution and display quality stability.
3Device complexity
If a fixed scan line selection order is used to generate polarized video stream, then the processing complexity is reduced, but the display quality is degraded for frames with motion in other directions or still images
Solution Approach 1:
The patent applies dynamics by transitioning from fixed scan line selection to adaptive scan line selection based on motion information. The system detects motion in the stereo video stream and dynamically adjusts the scan line selection order accordingly. This dynamic approach maintains relatively simple processing while significantly improving display quality for various motion directions and still images, resolving the contradiction between processing complexity and display quality.
Data Source
AI summary
A video processing apparatus is used for generating a polarized video stream according to a multi-view video stream, and includes a motion information detector and a polarization converter. The motion information detector is arranged for detecting motion information of the multi-view video stream by processing the multi-view video stream. The polarization converter is coupled to the motion information detector, and arranged for converting the multi-view video stream into the polarized video stream according to the motion information.