Zero coefficient-aware fast butterfly-based inverse discrete cosine transform algorithm

IET Image Processing, pp. 89-100, 2016.

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Keywords:
computational complexitydata compressiondiscrete cosine transformsinverse transformsvideo coding

Abstract:

The latest video coding standards, including Moving Picture Experts Group-4 (MPEG-4) advanced video coding (AVC)/H.264 and high-efficiency video coding (HEVC), use a discrete cosine transform (DCT) process as the core for compression efficiency, sacrificing the computational complexity at decoder. There have been a number of attempts to r...More

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