IMATION

作品数:26被引量:14H指数:2
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相关领域:自动化与计算机技术理学更多>>
相关作者:张兵更多>>
相关机构:兰州军区乌鲁木齐总医院更多>>
相关期刊:《Analysis in Theory and Applications》《Journal of Modern Physics》《Science China(Information Sciences)》《Journal of Systems Engineering and Electronics》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划北京市自然科学基金更多>>
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Image separation using wavelet-complex shearlet dictionary被引量:2
《Journal of Systems Engineering and Electronics》2014年第2期314-321,共8页Shuaiqi Liu Shaohai Hu Yang Xiao 
supported by the Aviation Science Foundation(201120M5007);the Natural Science Foundation of Beijing(4102050)
This paper presents a new method for image separation through employing a combined dictionary consisting of wavelets and complex shearlets. Because the combined dictionary sparsely represents points and curvilinear si...
关键词:geometric separation l1 minimization sparse approx-imation complex shearlet. 
Compressed sensing of superimposed chirps with adaptive dictionary refinement被引量:1
《Science China(Information Sciences)》2013年第12期167-181,共15页HU Lei ZHOU JianXiong SHI ZhiGuang FU Qiang 
supported by National Natural Science Foundation of China(Grant Nos.60972113,61101179)
The compressed sensing (CS) theory shows that accurate signal reconstruction depends on presetting an appropriate signal sparsifying dictionary. For CS of superimposed chirps, this dictionary is typically taken to b...
关键词:compressed sensing (CS) superimposed chirps dictionary refinement variational Bayesian ap-proximation expectation-maximization (EM) algorithm 
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