idwt2.m
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上传日期:2013-01-09
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- % IDWT2 丂扨堦儗儀儖偺媡棧嶶2師尦僂僃乕僽儗僢僩曄姺
- % IDWT2 偼丄('wname',WFILTERS 傪嶲徠)偱巜掕偝傟偨摿掕偺僂僃乕僽儗僢僩傑偨偼巜掕
- % 偝傟偨摿掕偺僂僃乕僽儗僢僩嵞峔惉僼傿儖僞(Lo_R 偲 Hi_R)偺偄偢傟偐偵娭楢偟偨扨堦
- % 儗儀儖偺2師尦僂僃乕僽儗僢僩嵞峔惉傪峴偄傑偡丅
- %
- % X = IDWT2(CA,CH,CV,CD,'wname') 偼丄僂僃乕僽儗僢僩 'wname' 傪巊偭偰丄Approxim-
- % ation 學悢儀僋僩儖 CA 偲 Detail 峴楍 CH, CV, CD(悈暯丄悅捈丄懳妏)傪儀乕僗偵丄
- % 扨堦儗儀儖偺嵞峔惉 Approximation 學悢峴楍 X 傪寁嶼偟傑偡丅
- %
- % X = IDWT2(CA,CH,CV,CD,Lo_R,Hi_R) 偼丄愝掕偟偨僼傿儖僞傪巊偭偰忋弎偺張棟傪峴偄
- % 傑偡丅
- % Lo_R 偼丄嵞峔惉儘乕僷僗僼傿儖僞偱偡丅
- % Hi_R 偼丄嵞峔惉僴僀僷僗僼傿儖僞偱偡丅
- % Lo_R 偲 Hi_R 偼丄摨偠挿偝偱側偗傟偽側傝傑偣傫丅
- %
- % SA = size(CA) = size(CH) = size(CV) = size(CD) 偱丄LF 偑僼傿儖僞偺挿偝偺応崌丄
- % size(X) = SX 偑惉棫偟傑偡丅偙偙偱丄DWT 奼挘儌乕僪偑廃婜揑側儌乕僪偱偁傞応崌丄
- % SX = 2*SA 偱偡丅偦偺懠偺奼挘儌乕僪偺応崌丄SX = 2*SA-LF+2 偱偡丅
- %
- % X = IDWT2(CA,CH,CV,CD,'wname',S)丄傑偨偼丄X = IDWT2(CA,CH,CV,CD,Lo_R,Hi_R,S)
- % 偼丄IDWT2(CA,CH,CV,CD,'wname') 傪巊偭偰摼傜傟傞寢壥偺拞怱晹偺僒僀僘 S 偺晹暘傪
- % 弌椡偟傑偡丅S 偼丄SX 傛傝傕彫偝偔側偗傟偽側傝傑偣傫丅
- %
- % X = IDWT2(CA,CH,CV,CD,'wname','mode',mode)
- % X = IDWT2CA,CH,CV,CD,Lo_R,Hi_R,'mode',mode)
- % X = IDWT2(CA,CH,CV,CD,'wname',L,'mode',mode)
- % X = IDWT2(CA,CH,CV,CD,Lo_R,Hi_R,L,'mode',mode) 偺偄偢傟傕丄巜掕壜擻側奼挘儌乕
- % 僪偱丄僂僃乕僽儗僢僩嵞峔惉偺學悢傪寁嶼偟傑偡丅
- %
- % X = IDWT2(CA,[],[],[]丄... ) 偼丄Approximation 學悢峴楍 CA 傪儀乕僗偵丄扨堦儗
- % 儀儖偵嵞峔惉偝傟偨 Approximation 學悢峴楍 X 傪弌椡偟傑偡丅
- %
- % X = IDWT2([],CH,[],[]丄... ) 偼丄悈暯偺 Detail 學悢峴楍 CH 傪儀乕僗偵丄扨堦儗
- % 儀儖偵嵞峔惉偝傟偨 Detail 學悢峴楍 X 傪弌椡偟傑偡丅
- %
- % X = IDWT2([],[],CV,[]丄... ) 偲 X = IDWT2([],[],[],CD丄... )偼丄摨偠寢壥傪弌椡
- % 偟傑偡丅
- %
- % 嶲峫丗 DWT2, DWTMODE, UPWLEV2.
- % Copyright 1995-2002 The MathWorks, Inc.