Guided image upsampling using bitmap tracing

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United States of America Patent

PATENT NO 9076236
SERIAL NO

14025350

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Abstract

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A method of increasing resolution of an image includes generating vector contours associated with a first image and scaling the vector contours to a second resolution. The first image has a first resolution, and the second resolution is greater than the first resolution. The vector contours are rendered to generate a guiding image at the second resolution, and a second image is generated from the first image based on the guiding image, by using joint upsampling. The second image is generated at the second resolution. The vector contours can be generated by bitmap tracing binary images at different quantization levels. An apparatus and computer readable device implementing the method of increasing the resolution of an image are also provided.

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Patent Owner(s)

  • AT&T INTELLECTUAL PROPERTY I, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Klosowski, James Ridgefield, US 8 31
Krishnan, Shankar Chatham, US 151 980

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