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Unified Parallel Lattice Structures for Time-Recursive Discrete Cosine/Sine/Hartley Transforms
The problems of unified efficient computations of the discrete cosine transform (DCT), discrete sine transform (DST), discrete Hartley transform (DHT), and their inverse transforms are considered. In particular, a new ...
Real-Time Parallel and Fully-Pinelined Two-Dimensional DCT Lattice Structures with Application to HDTV Systems
The two-dimensional discrete cosine transform (2-D DCT) has been widely recognized as the most effective technique in image data compression. In this paper, we propose a new algorithm to compute the 2-D DCT from a ...