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This paper proposes a method to perform the inverse transform operations for three popular video compression standards H.264, VC-1 and MPEG-4 using the concept of delta coefficent matrix. We designed the unified inverse transform circuit based on the proposed method. Our circuit supports 4-point and 8-point transforms for H.264, VC-1 and MPEG-4. The proposed unified circuit was verified on the SoC...
We describe a design method to unify the IDCT and IQ operations for three popular video compression standards such as H.264 (up to high profile), MPEG-4 and VC-1. We use the concept of delta coefficient matrix to implement the unified IDCT circuit. Our circuit supports 4-point and 8-point IDCT's for H.264, MPEG-4 and VC-1. The unified IQ circuit uses a shared multiplier. The entire circuit was verified...
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