SPARSITY

作品数：142被引量：233H指数：7
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相关机构：中国石油大学(北京)中国科学院上海交通大学中国石油更多>>
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Improving the reconstruction efficiency of sparsity adaptive matching pursuit based on the Wilkinson matrix被引量：3
《Frontiers of Information Technology & Electronic Engineering》2018年第4期503-512,共10页Rasha SHOITAN Zaki NOSSAIR I.I.IBRAHIM Ahmed TOBAL 
Sparsity adaptive matching pursuit(SAMP)is a greedy reconstruction algorithm for compressive sensing signals.SAMP reconstructs signals without prior information of sparsity and presents better reconstruction performan...
关键词：Block compressive sensing Sparsity adaptive matching pursuit Greedy algorithm Wilkinson matrix 
Laplacian sparse dictionary learning for image classification based on sparse representation被引量：1
《Frontiers of Information Technology & Electronic Engineering》2017年第11期1795-1805,共11页Fang LI Jia SHENG San-yuan ZHANG 
Project supported by the National Natural Science Foundation of China （Nos. 61272304 and 61363029） and the Guangxi Key Laboratory of Trusted Software （No. kx201313）
Sparse representation is a mathematical model for data representation that has proved to be a powerful tool for solving problems in various fields such as pattern recognition, machine learning, and computer vision. As...
关键词：Sparse representation Laplacian regularizer Dictionary learning Double sparsity MANIFOLD 
Deformable image registration with geometric changes
《Frontiers of Information Technology & Electronic Engineering》2015年第10期829-837,共9页Yu LIU Bo ZHU 
Geometric changes present a number of difficulties in deformable image registration. In this paper, we propose a global deformation framework to model geometric changes whilst promoting a smooth transformation between...
关键词：Geometric changes Image registration SPARSITY Traumatic brain injury （TBI） 
AGCD： a robust periodicity analysis method based on approximate greatest common divisor
《Frontiers of Information Technology & Electronic Engineering》2015年第6期466-473,共8页Juan YU Pei-zhong LU 
Project supported by the National Natural Science Foundation of China （No. 60673082）
Periodicity is one of the most common phenomena in the physical world. The problem of periodicity analysis （or period detection） is a research topic in several areas, such as signal processing and data mining. Howev...
关键词：Periodicity analysis Period detection SPARSITY Noise Approximate greatest common divisor （AGCD） 
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