Image signal transmitting system using image frames differences

Details Image signal transmitting system using image frames differences Image signal transmitting system using image frames differences

1994-12-28

1997-03-18

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348699, H04N 732

Patent

active

056127448

ABSTRACT:
An image signal transmitting system uses the difference between image frames, which can transmit lots of information in a small amount of data, by transmitting the acutal moving areas which are extracted by using two change detecting masks and whose contours and textures are encoded for human visual perception. A larger amount of information is expresssed by a smaller amount of data by extracting the motion in a unit of frames, not in a unit of blocks, and expressing a converted portion by its contour and texture to facilitate the recognition of the converted portion.

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M. Soryani et al., "Coding Moving Image Sequences by Segmentation of Difference Frames . . . ", Electronics Letters, Jun. 8, 1989, vol. 25, No. 12, pp. 794-795.

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