Detection and repair of MPEG-2 chroma upconversion artifacts

Details Detection and repair of MPEG-2 chroma upconversion artifacts Detection and repair of MPEG-2 chroma upconversion artifacts

2003-09-15

2008-08-05

Philippe, Gims S. (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C348S450000, C348S666000

Reexamination Certificate

active

07408992

ABSTRACT:
A method for removing MPEG-2 chroma upconversion artifacts in a video stream includes detecting a presence of artifacts in an incorrectly upsampled MPEG-2 video stream and removing the presence of artifacts resulting in an artifact free video stream.

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‘DVD Benchmark-Special Report- The CHroma Upsampling Error in DVD Players-Apr. 2001’ by Don Munsil and Stacey Spears; Apr. 14, 2001; http://web.archive.org/web/20020202160451/http://www.hometheaterhifi.com/volume—8—2/dvd-benchmark-special-report-chroma-bug-4-2001.html.

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