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Lo H Su ( ) ( ) 2( , )( ( , ) ( , )n nk kk x ye g x y g x y )( )()()1( ikkBPii ggHff )Pr()|Pr(maxarg SuSuLouS Su )Pr( )Pr()|Pr(maxarg)|Pr(maxarg Lo SuSuLoLoSuuS SuSu 1, s.t. min 2 MkCSu CSuVCSuLoHSuWLoHSue k tt 2222 -inf- SuLoSuHuSLouSH Su X H SuLo SuSu s.t. )( minarg 退化图象规整化锐化图象多尺度Kalman滤波清晰图象 ),0;(*)()( 2xgxCuxf )21exp(2),0;2()( 4222 2 xCxCgxf )21exp()(2 2),0;2(2)( 4)( 22212123 221 xCxCgxf )21exp()(2 2),0;4(2)( 16)( 22212214 221 xCxCgxf )21exp()5(2 4)45,0;2(2)( 16)5( 22212216 22 1 xCxCgxf 低分辨率图象小波系数预测小波逆变换高分辨率图象 WWHW Suw Lo SuwWHW Lo )Pr()|Pr(maxarg SuSuLoSu WWW SuWW SuW WHWSu WLo Su s.t. )Pr(W maxarg Lenna图象水平方向小波系数直方图(db2)树结构模型示意图 Mm iiSWSiW mSwfmpwf iii 1 | )|()()( 21 |1Su )|()()Pr()Pr(W m iiSWSNi mSwfmp iii|WSu SuwLo m iiSWSts mSwfmp iiiWHW . )|()(log min N1i 21 | Ni m iiSWSLoSuwW mSwfmpWWHa iiiSu 1 21 |222 )|()(log21 rgmin 21,22 1 | 2)|()(log iim iiSWS wmSwfmp iii 1)1( iSp 0)1( iSp 22,22 1 | 2)|()(log iim iiSWS wmSwfmp iii 2 1 | )|()(log m iiSWS mSwfmp iii 22,21, ii N1i 22,21, 2 )2()1( iSiS i ii pp w SuwLo iSiS its pp w ii WHW . )2()1( min N1i 22,21, 2 N1i 22,21, 2222 )2()1(21 rgmin iSiS iLoSuwW iiSu pp wWWHa 222,)( iiidii bgrmatchIh 222, ),)(,( iiiTiiididididi bgrbgrbgrmatch 2,2,2, ),( didididididididi bgrxbgrx did matchd ,minarg 低分辨率彩色图象自适应彩色灰度变换低分辨率灰度图象超分辨率高分辨率灰度图象高分辨率彩色图象以高分辨率灰度图象的小波系数状态协调彩色图象三个通道的超分辨率重构
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