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	1. Blind Beamforming for Noncircular Signals via Output Impropriety-Degree Maximization
	Xu Yougen,Liu Zhiwen
	Electrics, Communication and Autocontrol Technology 30 December 2008
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:A noncircularity exploiting adaptive beamforming scheme is presented for blind recovery of a narrow-band signal with nonzero impropriety-degree (ID). By maximizing the ID of the output signal, this new second-order blind beamformer can directly extract the signal of interest from circular interferences and noise (not necessarily Gaussian) without training signal and array calibration.
	TO cite this article:Xu Yougen,Liu Zhiwen. Blind Beamforming for Noncircular Signals via Output Impropriety-Degree Maximization[OL].[30 December 2008] http://en.paper.edu.cn/en_releasepaper/content/27077


	2. A novel block-matching algorithm for motion estimation
	Ma Jidong ,Gu Zhaowei ,Qu Fuming ,Shen Gongjian ,Wang Anna
	Electrics, Communication and Autocontrol Technology 06 June 2008
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:In order to reduce the computational complexity of the fast motion estimation and improve the performance of motion compensation, a block-matching algorithm of mixing diamond search and adaptive rood pattern search has been proposed. Combining the advantages of fixed search pattern and spatial correlation search pattern, the algorithm employs the high search accuracy of DS and the high search speed of ARPS. It performs zero motion prejudging for immobile macroblocks between the two adjacent frames to reduce the computational complexity, and employs the spatial correlation of motion vectors to improve the quality of predicted motion vectors. Compared to ARPS, experimental results show that the computational complexity could be reduced at least 60% while guaranteeing the search accuracy.
	TO cite this article:Ma Jidong ,Gu Zhaowei ,Qu Fuming , et al. A novel block-matching algorithm for motion estimation[OL].[ 6 June 2008] http://en.paper.edu.cn/en_releasepaper/content/22042

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