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Real-time recursive two-dimensional DCT for HDTV systems
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Abstract
The two-dimensional discrete cosine transform (2-D DCT) has been widely recognized as the most effective technique in image data compression. A new algorithm is proposed to compute the 2-D DCT from a frame-recursive point of view. Based on this approach, a real-time parallel lattice structure for the 2-D DCT is developed. The system is fully-pipelined with throughput rate N clock cycles for an N*N successive input data frame. The 2-D DCT architecture is modular, regular, and requires only two 1-D DCT blocks which can be extended directly from the 1-D DCT array. A parallel 2-D DCT architecture and a new scanning pattern for the HDTV system are also proposed to achieve higher performance.>
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Cite it as
@misc{chiu1992realtime,
title = {Real-time recursive two-dimensional DCT for HDTV systems},
author = {C.T. Chiu and K. J. Ray Liu},
year = {1992},
journal = {IEEE International Conference on Acoustics Speech and Signal Processing},
pages = {205-208 vol.3},
doi = {10.1109/icassp.1992.226215},
}