DocumentCode
947231
Title
New optical transforms for pattern recognition
Author
Casasent, David ; Psaltis, Demetri
Author_Institution
Carnegie-Mellon University, Pittsburgh, PA
Volume
65
Issue
1
fYear
1977
Firstpage
77
Lastpage
84
Abstract
New optical transformations are discussed. These include Mellin transforms, Fourier-Mellin transforms, and combinations of Geometrical transformations and Fourier-Mellin operations. Scale, postional, and rotational invariant correlations with no loss in SNR are demonstrated.
Keywords
Fourier transforms; Geometrical optics; Lenses; Matched filters; Optical computing; Optical feedback; Optical filters; Optical losses; Pattern recognition; Spatial filters;
fLanguage
English
Journal_Title
Proceedings of the IEEE
Publisher
ieee
ISSN
0018-9219
Type
jour
DOI
10.1109/PROC.1977.10432
Filename
1454701
Link To Document