I am unable to understand that why we go for horizontal or vertical scan at all while decoding MPEG-4 bitstream? I guess Zig-Zag scan is the best then why not only ZIG-ZIg. Is there any more compression by horizontal or vertical scan? According to mpeg-4 standard zig-zag scan is done only when ac pred flag is set, Why? This message was sent using the Comp.DSP web interface on www.DSPRelated.com
Inverse Scan (Horizontal) in MPEG-4
Started by ●July 15, 2005
Reply by ●July 16, 20052005-07-16