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標題: Efficient Low-Cost Sharing Design of Fast 1-D Inverse Integer Transform Algorithms for H.264/AVC and VC-1
作者: Fan, C.P.
Su, G.A.
關鍵字: 4 x 4 inverse integer transform
8 x 8 inverse integer transform
hardware share
low cost
期刊/報告no:: Ieee Signal Processing Letters, Volume 15, Page(s) 926-929.
摘要: In this letter, the fast one-dimensional (1-D) algorithms and their sharing design for 1-D inverse integer transforms of H.264/AVC and VC-1 are proposed by using the matrix decompositions with the sparse matrices and the matrix offset computations. The computational complexities of the proposed fast 1-D 4 x 4 and 8 x 8 inverse integer transforms for H.264/AVC are the same as those of the previous fast methods. Then the shift operations of the proposed fast 1-D inverse integer transform for VC-1 are equivalent to those of the previous fast method. For playback environments, the video decoder can support the multiple modes, which include H.264/AVC and VC-1 video standards. The proposed hardware sharing architecture requires lower hardware cost than the individual and separate design for the VLSI realization.
ISSN: 1070-9908
Appears in Collections:電機工程學系所



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