Stereo to Multiview Rendering via Interleaved Warping
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Solution Overview
Problem
Current methods for converting two-view stereoscopic content to multiview content for high-quality multiview displays are computationally intensive and cannot provide real-time stereoscopic to multiview conversion, limiting their effectiveness in achieving efficient rendering.
Innovation Solution
A method involving the generation of input warps that map left and right images to intermediate view positions, followed by resampling and interleaving to create a composite output image, utilizing an image domain warping approach with elliptical weighted average splatting for efficient rendering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional methods are used for converting two-view stereoscopic content to multiview content, then good conversion results are achieved, but computational power demand is high and rendering times are long
Solution Approach 1:
The patent segments the multiview rendering process into distinct stages: generating input warps from stereo images, creating output warps through interpolation, resampling images according to warp mappings, and interleaving results. This segmentation allows each stage to be optimized independently and processed efficiently in a pipeline manner, resolving the contradiction between conversion quality and rendering speed
Solution Approach 2:
The patent performs preliminary warping of the input stereo images to intermediate view positions before the actual multiview rendering. By pre-computing the warp mappings and preparing transformed images in advance, the system reduces the computational burden during real-time rendering, enabling both high conversion quality and efficient real-time performance
2Manufacturing precision
If conventional methods are used for converting two-view stereoscopic content to multiview content, then good conversion results are achieved, but real-time conversion is not possible
Solution Approach 1:
The patent implements continuous real-time rendering by processing video frames in a continuous pipeline without interruption. The system maintains continuous warp generation, image transformation, and view synthesis operations, ensuring that multiview content is generated in real-time while preserving conversion quality through the sustained application of the warping and interpolation process
3Adaptability or versatility
If high-quality multiview rendering is achieved, then multiple interleaved views are generated, but computational complexity increases
Solution Approach 1:
The patent employs dynamic warp interpolation that adapts to different view positions and camera configurations. The system dynamically generates appropriate warp mappings for each desired output view based on the input stereo geometry, allowing flexible generation of multiple views while managing computational complexity through adaptive rather than static processing
Data Source
AI summary
Approaches are described for generating a multiview autostereoscopic image from a stereo three-dimensional input image pair. A stereo to multiview rendering system receives a stereo three-dimensional image including a left image and a right image at a first view position and a second view position, respectively. The system generates a first input warp and a second input warp that maps the left image and the right image to a third and fourth positions, respectively, where the third and fourth positions lie between the first and second view positions. The system generates a plurality of output warps based on the first warp and the second warp. The system resamples each output warp in the plurality of output warps to create a plurality of partial output images. The system interleaves the plurality of partial output images to generate a composite output image.