Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/43835
標題: Fast Multiple Inverse Transforms With Low-Cost Hardware Sharing Design for Multistandard Video Decoding
作者: Fan, Chih-Peng
Fang, Chia-Hao
Chang, Chia-Wei
Hsu, Shun-Ji
關鍵字: Fast algorithm
hardware share
multiple inverse transforms
multistandard
video decoding
出版社: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC.
摘要: In this brief, fast multiple inverse transform algorithms and their hardware sharing designs for 2 x 2, 4 x 4, and 8 x 8 inverse transforms in H.264/Advanced Video Coding and the 8 x 8 inverse transform in Audio Video Coding Standard, 4 x 4 and 8 x 8 inverse transforms in VC-1, and inverse discrete cosine transform in JPEG and MPEG-1/2/4 are developed with a low hardware cost, for multistandard decoding applications. By matrix factorizations and shift-and-addition computations, the proposed 1-D hardware sharing transform scheme is achieved without multiplications. The hardware cost of the proposed 1-D sharing architecture is smaller than that of the individual and separate designs. Through VLSI implementations with regular modularity, the 2-D transform with the proposed 1-D sharing architecture achieves multistandard real-time video decoding.
URI: http://hdl.handle.net/11455/43835
ISSN: 1549-7747
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