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	Fast algorithm for DCT domain downsampling in AVS
	Zhao Kang ; Xue Yong-lin ; Zhang Yun
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ computational complexity discrete cosine transforms image sequences matrix algebra/ DCT domain downsampling algorithm integer transform core cinear interpolation downsampling time domain computational complexity video sequence/ B6135 Optical, image and video signal processing B0230 Integral transforms C5260B Computer vision and image processing techniques C1130 Integral transforms C4240C Computational complexity
中文摘要	In this paper, the algorithm of DCT domain downsampling in AVS is researched. A 4*4 integer transform core based on 8*8 integer DCT transform in AVS is proposed, and thus a fast algorithm of downsampling in DCT do main is derived. The simulation results show that compared with cinear interpolation downsampling in time domain, the proposed algorithm can dramatically reduce computational complexity, while the performance of video sequence is considerably good.
语种	中文
出版者	Beijing TV and Audio Engineering Publishing House ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78716]
专题	清华大学
推荐引用方式 GB/T 7714	Zhao Kang,Xue Yong-lin,Zhang Yun. Fast algorithm for DCT domain downsampling in AVS[J],2010, 2010.
APA	Zhao Kang,Xue Yong-lin,&Zhang Yun.(2010).Fast algorithm for DCT domain downsampling in AVS..
MLA	Zhao Kang,et al."Fast algorithm for DCT domain downsampling in AVS".(2010).

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