Free view generation in ray-space
AssigneeKia Sha Managment Liability Company
InventorsOscar Chi Lim Au, Ling Hou
Life of this patent
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Abstract
The claimed subject matter relates to an architecture that can facilitate more efficient free view generation in Ray-Space by way of a Radon transform. The architecture can render virtual views based upon original image data by employing Ray-Space interpolation techniques. In particular, the architecture can apply the Radon transform to a feature epipolar plane image (FEPI) to extract more suitable slope or direction candidates. In addition, the architecture can facilitate improved block-based matching techniques in order to determine an optimal linear interpretation direction.
Claims27
A system, comprising:
- a feature extractor component configured to extract a set of feature points from an epipolar plane image (EPI) and construct a feature epipolar plane image (FEPI) based upon the set of feature points, a feature point corresponds to a scene point in an image of a scene and is represented by a line in the FEPI, wherein the feature extractor component is further configured to examine a real view row of the EPI in order to extract a feature point that corresponds to a pixel of the real view row with an intensity greater than zero, where the intensity of the pixel is based upon a difference of an intensity function of the pixel to an intensity function of a neighboring pixel in the real view row;
- and
- an interpolation component configured to apply a Radon transform to the FEPI in order to determine a slope of the line.
A method, comprising:
- extracting a set of feature points from an epipolar plane image (EPI) by examining a real view row of the EPI in order to extract a feature point that corresponds to a pixel of the real view row with an intensity greater than zero, where the intensity of the pixel is based upon a difference of an intensity function of the pixel to an intensity function of a neighboring pixel in the real view row, a feature point corresponds to a scene point in an image of a scene;
- creating a feature epipolar plane image (FEPI) based upon the extracted set of feature points;
- mapping the feature point to an line in the FEPI;
- and
- applying a Radon transform to the FEPI for limiting the members of a set of possible interpolation directions.
A system, comprising:
- means for identifying a set of feature points from an epipolar plane image (EPI) by examining real view rows of the EPI in order to extract feature points that corresponds to pixels of the real view rows with intensities greater than zero, where the intensities of the pixels are based upon differences of an intensity function of the pixels to an intensity function of neighboring pixels in the real view rows, a feature point corresponds to a scene point in an image of a scene;
- means for constructing a feature epipolar plane image (FEPI) from the set of feature points;
- means for associating the feature point to an line in the FEPI;
- and
- means for applying a Radon transform to the FEPI to reduce potential interpolation directions.
Dependencies are inferred from the claim text.