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《Acta Scicentiarum Naturalum Universitis Pekinesis》 2002-01
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Fast Selection Method for SERM Factorizations of Linear Transforms

WEI Changjiang HAO Pengwei SHI Qingyun (National Laboratory on Machine Perception,Peking University,Beijing 100871)  
A selection method of SERM factorizations for linear transforms is presented.It is discovered that the near optimal results are almost everywhere and when the factorization error is small,the closer the permutation matrices,the closer the results.According this fact,A local search is proposed that based near optimal factorization method which can obtain the near optimal results.Moreover,this method convergence very fast,can usually obtain useful results by very limited iterations.It is tested lossless image coding with the selection results and good results is obtained.
【Fund】: 国家重点基础研究发展规划项目 (G19980 30 6 0 6 )
【CateGory Index】: TP391.4
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