Television – Bandwidth reduction system – Data rate reduction
Patent
1998-06-10
1999-11-16
Britton, Howard
Television
Bandwidth reduction system
Data rate reduction
348416, H04N 736
Patent
active
059867086
ABSTRACT:
A video coding device capable of making coded data have a hierarchical structure, a specified area of each frame is selected. The position and the shape of the selected area are encoded, a pixel value of the selected area is encoded as slower-layer coded data, a pixel value of a whole image is encoded as first upper-layer coded data by using pixel values of already decoded images of the lower-layer and the first upper layer and a pixel value of the selected area is encoded as second upper-layer coded data by using pixel values of already decoded images of the lower-layer and the second upper layer.
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Ito Norio
Katata Hiroyuki
Kusao Hiroshi
Nomura Toshio
Britton Howard
Sharp Kabushiki Kaisha
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