H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/33
H04N 7/12 (2006.01) H04N 7/26 (2006.01) H04N 7/32 (2006.01) H04N 7/36 (2006.01) H04N 7/50 (2006.01) H04N 7/60 (2006.01)
Patent
CA 1243110
ABSTRACT A method of refreshing a frame memory in an interframe encoding system which prevents refreshing data from being produced all at once is des- cribed. According to the invention, a video signal stored in the frame memory is divided into n number of blocks, which in turn comprise m number of lines each. Each of the blocks is further segmented into ? number of sub-blocks. Each of the sub-blocks is refreshed once for every one frame, repeating for ? number of times to complete refreshing one block. By repeating such a block refreshing for m number of times, the frame memory can be refreshed.
494765
Kuroda Hideo
Mukawa Naoki
Nishiwaki Mitsuo
Tsugane Shuzo
Corporation Nec
Nippon Telegraph And Telephone Corporation
Smart & Biggar
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