Computer graphics processing and selective visual display system – Display driving control circuitry – Physically integral with display elements
Patent
1994-09-23
1998-07-14
Weldon, Ulysses
Computer graphics processing and selective visual display system
Display driving control circuitry
Physically integral with display elements
348441, G09G 500
Patent
active
057811849
ABSTRACT:
A method and apparatus are provided for real time decompression and post-decompress manipulation of compressed full motion video. A decompressed play-back signal is supplied to a real-time video processing system by way of an adaptor for post-decompress manipulation. The post-decompress manipulations include real-time, interactive geometry transformations and color re-mappings. The adaptor includes a range expansion module for eliminating dead space such as found in CCIR-601 outputs. The adaptor further includes a resampling module for programmably converting the pixels-per-line format of the decompressed play-back signal. The adaptor additionally includes a clip-and-dither module for altering the bits-per-pixel format of the adaptor output signal and for applying a programmably-defined dither to the adaptor output signal.
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Bucher Timothy P.
Cassareau Philippe M.
Pansegrau Curtis
Wallace Gregory K.
Wasserman Steve C.
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