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This paper presents multiple stage transform (MST) and its supporting tools. It is called MST Environment (MST_Env), which can provide better coding efficiency than any other international video coding standards such as H.264/AVC. Compared to H.264/AVC, the improvements can bring on average 4.31% coding gain in high profile, with average coding gain of 5.64% for HD sequences.
This paper proposes a three-dimensional transform (3DT) and its supporting tools: 3DT_Env. 3DT_Env improves H.264/AVC inter coding performance from four aspects: 1) H. 264/AVC coding is enhanced with the 3DT, 2) As the 3DT is proposed, a quantizer should be redesigned, 3) A new scanning method which considers the directions of INTER16x8 and INTER8x16 modes improves the efficiency of H.264/AVC, and...
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