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High-speed CAVLC encoder for H.264/AVC using parallel zig-zag scanning

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4 Author(s)
Lee, W. ; Sch. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Jung, Y. ; Lee, S. ; Kim, J.

A high-speed context-based adaptive variable length coding (CAVLC) encoder for H.264/AVC is presented. Since CAVLC scans residues in a block one by one to obtain the statistics of the data to be encoded, it requires a large number of cycles. In the proposed scheme, two residues are scanned in one cycle to reduce scanning time by half.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 24 )