System for coding and transmitting motion image signals

Details System for coding and transmitting motion image signals System for coding and transmitting motion image signals

H - Electricity

04

N

350/33, 379/4, 3

H04N 7/26 (2006.01) G06T 9/00 (2006.01) H04N 7/36 (2006.01) H04N 7/50 (2006.01)

Patent

CA 1258533

SYSTEM FOR CODING AND TRANSMITTING MOTION IMAGE SIGNALS ABSTRACT OF THE DISCLOSURE A motion compensation difference interframe or intra-frame coding system includes a block data redundancy compression and coding unit, a PIXEL data coding unit and a prediction data generator unit. The block data redundancy compression and coding unit codes a motion compensated (MC) difference between an input image in a block and a motion predicted image from the prediction data generator unit, and transmits coded data to a receiver. The PIXEL data coding unit receives an error between the MC difference and a decoded MC difference from the block data redundancy compression and coding unit, rearranges the error in PIXEL data and codes the PIXEL error, when the error is greater than a predetermined value. The PIXEL coded data is also transmitted to the receiver. The prediction data generator unit generates predicted block data of the motion of the image. The redundancy compression and coding unit may include a filter circuit rejecting pulse components contained in the MC difference.

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