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Wavelets - Caltech Multi-Res Modeling Group

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f[n] = a[n]<br />

H<br />

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a[n/2]<br />

d[n/2]<br />

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a[n/4] a[n/8] a[1]<br />

d[n/4]<br />

G<br />

H<br />

d[n/8]<br />

Figure I.18: Discrete wavelet transform as a pyramid<br />

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a[n/2]<br />

d[n/2]<br />

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INTRODUCTION 27<br />

d[1]<br />

a[n/4] a[n/8] a[1]<br />

d[n/4]<br />

H*<br />

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d[n/8]<br />

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Figure I.19: Reconstructing the signal from wavelet pyramid<br />

Siggraph ’95 Course Notes: #26 <strong>Wavelets</strong><br />

d[1]

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