alextt 11/4/2008 |
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English
Multiscale Analysis of Images
Gilad Lerman Math 5467
(stealing slides from Gonzalez & Woods, and Efros)
The Multiscale Nature of Images
Recall: Gaussian pre-filtering
G 1/8 G 1/4
Gaussian 1/2
Solution: filter the image, then subsample
• Filter size should double for each ½ size reduction.
Subsampling with Gaussian pre-filt ... more>>