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  11. - ./ ,., RGUIIJ..UM m .... ,I, 'i. " tu.t. . c:lJ)W ., " ~ - CJ+{j'N CJ )rI " -...----------- 1,4 . The Fast Wavelet Transfonn 381 dJ-I))V -., 'IT -4 b' FIGURE 7.16 (a) A two-stage or 1i!II two-S:CaIe FWf dJ-~) <¥;o/ ~Ysis bank and ~C ~b) its Erequency t:>n--- ..-: J-I)?:II splitting . characteristics. .. , CJ-.:2) '¥V IH(61)1 t ..., VJ r: I 1 I -', VJ-2 I --- 'Wj-\ I I I (&I 0 /2 'IT 'IT .. .. {1.-4.-.3.0} .. .. c:l J-/ ~= {-3/Y2.-3/Y2} , . c -~SCqv) d.J-2.)O.'t J'TV ' ~:11 ~- ~ 'I ={4b {SN2.-3N21 ~ CJ-I ) ?'V CJ -~ ) 0 } 1 {1,V2.SfV2.I(V/l.-JrV1.0} -4. {I 1 , E ~ FIGUti 7.17 Computing a two-scale Castwavelet transfonn oCsequence {I, 4. -3. O} using Haar scaling and wa vclet ~ ors. ... --. "'0--- 1 .'- , t --,> - 'Ii 'G- L\ () -3 f1 '0-

  12. - \ -, ~ ~- "" '.. ~ ;;; ~::;;;; ,;,~ eo t:':!! ~ ... r o~ c"" .."" ~ ,.,,"- ~~ ~ ~ -.---.. ;", f1GUI( 7.18 The - -_.,~= '" FWT-- synthesis r.ttcrbank. . cf.J)W:' ,'- = .. II ., = -~-~~.. ,~-,-,".,"- ~>-_.- CJ,~ . , ....----- L ," ..~.. , :~U 7.19 A ~(J - I. n) 'J Ta~sta~ or tv.-o- sak NT! 1 ~ "U thesis bank. _--0 OuO., tC,(J.n) ~ cl(J - :!.n) . ~J --ill) ,., 7.4 . The Fast Wavelet Transform 385 {-3.~.O.-3fV}.O} + {l/'l2; -t/0.} ~1.n) = {-~'\~.-~:'\'1} {(II) .. ~2.n) = {1..&.:"J..O} {I 1\ '\ 1.""~} 7.20 Computin~ <\ twl'l-scalcinvcrse fast wavelet transform of sequence {I. 4. -1.5 n.. -15 n.} with ~ling and w8vekt vcctl'f'S.

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