dwt2.m
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- % DWT2 丂扨堦儗儀儖偺棧嶶2師尦僂僃乕僽儗僢僩曄姺
- % DWT2偼丄巜掕偝傟偨摿掕偺僂僃乕僽儗僢僩('wname',WFILTERS 傪嶲徠)傑偨偼巜掕偝傟
- % 偨摿掕偺僂僃乕僽儗僢僩僼傿儖僞(Lo_D 偲 Hi_D)偺偄偢傟偐偵懳墳偡傞扨堦儗儀儖偱偺
- % 2師尦僂僃乕僽儗僢僩暘夝傪弌椡偟傑偡丅
- %
- % [CA,CH,CV,CD] = DWT2(X,'wname') 偼丄擖椡峴楍 X 偺僂僃乕僽儗僢僩暘夝偱摼傜傟偨
- % Approximation 學悢峴楍 CA 偲 Detail 學悢峴楍 CH,CV,CD 傪寁嶼偟傑偡丅'wname' 偼丄
- % 僂僃乕僽儗僢僩柤傪娷傓暥帤楍偱偡丅
- %
- % [CA,CH,CV,CD] = DWT2(X,Lo_D,Hi_D) 偼丄擖椡偲偟偰偮偓偺僼傿儖僞傪梌偊丄忋弎偺2
- % 師尦僂僃乕僽儗僢僩暘夝傪寁嶼偟傑偡丅
- % Lo_D 偼丄暘夝儘乕僷僗僼傿儖僞偱偡丅
- % Hi_D 偼丄暘夝僴僀僷僗僼傿儖僞偱偡丅
- % Lo_D 偲 Hi_D 偼丄摨偠挿偝偱側偗傟偽側傝傑偣傫丅
- %
- % SX = size(X) 偱丄LF 偑僼傿儖僞挿偱偁傞応崌丄size(CA) = size(CH) = size(CV) =
- % size(CD) = SA 偵側傝傑偡丅偙偙偱丄DWT 奼挘儌乕僪偑廃婜揑側儌乕僪偱偁偭偨応崌丄
- % SA = CEIL(SX/2) 偱偡丅偦傟埲奜偺奼挘儌乕僪偺応崌丄SA = FLOOR((SX+LF-1)/2) 偵側
- % 傝傑偡丅堎側傞怣崋奼挘儌乕僪偵偮偄偰偼丄DWTMODE 傪嶲徠偟偰偔偩偝偄丅
- %
- % [CA,CH,CV,CD] = DWT2(X,'wname','mode',mode)丄傑偨偼丄[CA,CH,CV,CD] = DWT2...
- % (X,Lo_D,Hi_D,'mode',mode) 偼丄巜掕壜擻側奼挘儌乕僪偱丄僂僃乕僽儗僢僩暘夝傪寁嶼
- % 偱偒傑偡丅
- %
- % 嶲峫丗 DWTMODE, IDWT2, WAVEDEC2, WAVEINFO.
- % Copyright 1995-2002 The MathWorks, Inc.