Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1992-07-27
1993-04-20
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358133, 358138, H04N 712, H04N 713
Patent
active
052047407
ABSTRACT:
An image signal decoding apparatus for decoding a transmitted image information signal into an original image signal: wherein a one frame image signal constructed of a plurality of image signals is divided into a plurality of blocks each constructed of a plurality of image signals; a block characteristic information signal and a coded information signal are received on a block unit (block-by-block) basis; and in accordance with a decision result by a motion decision circuit, either the image signals in another block corresponding to the same image in a block which was decided as being incapable of being decoded into original image signals, or the image signals of another block corresponding to a different image in the block decided as being incapable of being decided, are selected; and the selected image signals are interpolated as interpolation image signals. Any image motion can therefore be detected at once, and an adaptive interpolation can be effected in accordance with the image motion information.
REFERENCES:
patent: 4862264 (1989-08-01), Wells
patent: 4885631 (1989-12-01), Fukinuki
patent: 4912770 (1990-03-01), Seto
Britton Howard W.
Canon Kabushiki Kaisha
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