Multi-resolution depth estimation using modified census transform for advanced driver assistance systems
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United States of America Patent
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Sep 5, 2017
Issued Date -
N/A
app pub date -
Aug 17, 2015
filing date -
Aug 15, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A computer-implemented depth estimation method based on non-parametric Census transform with adaptive window patterns and semi-global optimization. A modified cross-based cost aggregation technique adaptively creates the shape of the cross for each pixel distinctly. In addition, a depth refinement algorithm fills holes within the estimated depth map using the surrounding background depth pixels and sharpens the object boundaries by exerting a trilateral filter to the generated depth map. The trilateral filter uses the curvature of pixels as well as texture and depth information to sharpen the edges.
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International Classification(s)
- 2015 Application Filing Year
- H04N Class
- 17427 Applications Filed
- 14242 Patents Issued To-Date
- 81.73 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- H04N Class
- 18.14 % this patent is cited more than
- 8 Age
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