Video decoding method, video decoding apparatus, and video...

Details Video decoding method, video decoding apparatus, and video... Video decoding method, video decoding apparatus, and video...

2005-10-25

2005-10-25

Wong, Allen (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010, C375S240120, C375S240250

Reexamination Certificate

active

06959043

ABSTRACT:
A video decoding apparatus exerts a control so as not to display unnatural pixel values when a stream having no pixel value but only shape values is decoded. A decoder decodes a video stream. When the video stream includes only the shape, object non-display information indicates “non display”. Otherwise, the object non-display information indicates “display”. When the object non-display information indicates “non display”, a switch selects a shape value which does not display the color, obtained from a shape value generator. In other words, a shape value Aval indicating that this pixel is transparent and other videos are displayed as they are at composition.

REFERENCES:
patent: 6026195 (2000-02-01), Eifrig et al.
patent: 6078328 (2000-06-01), Schumann et al.
patent: 6081208 (2000-06-01), Kikuchi et al.
patent: 2002/0114392 (2002-08-01), Sekiguchi et al.
“Information technology—Coding of audio-visual objects—”, International Standard, ISO/IEC 14496-2, Dec. 1, 1999, pp. 29-38 and 83-87.

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