Wavelets - Caltech Multi-Res Modeling Group

0
0 (x) 1 1 (y)
0
0 (x) 1 0 (y)
0
0 (x) 0 0 (y)
0
0 (x) 0 0 (y)
0 0 (x) 1 1 (y)
0 0 (x) 1 0 (y)
0 0 (x) 0 0 (y)
0 0 (x) 0 0 (y)
1 0 (x) 1 1 (y)
1 0 (x) 1 0 (y)
1 0 (x) 0 0 (y)
1 0 (x) 0 0 (y)
1 1 (x) 1 1 (y)
1 1 (x) 1 0 (y)
1 1 (x) 0 0 (y)
1 1 (x) 0 0 (y)
INTRODUCTION 29
Figure I.22: The standard construction of a two-dimensional Haar wavelet basis for V 2 . In the unnormalized case,
functions are +1 where plus signs appear, ,1 where minus signs appear, and 0 in gray regions.
transform rows
-
?
. ..
transform
columns
Figure I.23: Non-standard decomposition of an image.
Siggraph ’95 Course Notes: #26 Wavelets