Hierarchical encoding method and apparatus employing background

Details Hierarchical encoding method and apparatus employing background Hierarchical encoding method and apparatus employing background

1991-05-10

1992-10-13

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358135, H09N 713

Patent

active

051555948

ABSTRACT:
A method and apparatus for transmitting a sequence of image frames by encoding interframe error data features the steps of compiling a spatially decomposed image of a background of the sequence of image frames, spatially decomposing a warped image of a previous frame, and spatially decomposing a new input image. The spatially decomposed input image is compared with the spatially decomposed background image and with the spatially decomposed warped image. An error signal defining the spatially decomposed input image is generated based on these comparisons.

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