Improved real-time optical pattern recognition using joint transform correlation

2002 ◽  
Author(s):  
M.S. Alam ◽  
M.A. Karim
Keyword(s):  
Pattern Recognition ◽  
Real Time ◽  
Optical Pattern Recognition ◽  
Optical Pattern ◽  
Joint Transform Correlation

All-optical pattern recognition for digital real-time information processing

2003 ◽  
Vol 42 (23) ◽  
pp. 4670 ◽  
Author(s):  
Pierpaolo Boffi ◽  
Davide Piccinin ◽  
Maria Chiara Ubaldi ◽  
Mario Martinelli
Keyword(s):  
Pattern Recognition ◽  
Information Processing ◽  
Real Time ◽  
Optical Pattern Recognition ◽  
Optical Pattern ◽  
All Optical ◽  
Real Time Information ◽  
Time Information

Enhancement of real-time optical pattern recognition via Ce:KNSBN crystal

2001 ◽  
Author(s):  
Qinglin Guo ◽  
Baolai Liang ◽  
Guangsheng Fu ◽  
Zhaoqi Wang
Keyword(s):  
Pattern Recognition ◽  
Real Time ◽  
Optical Pattern Recognition ◽  
Optical Pattern

Real-time deformation invariant optical pattern recognition using coordinate transformations

1987 ◽  
Vol 26 (5) ◽  
pp. 938 ◽  
Author(s):  
David Casasent ◽  
Shao-Feng Xia ◽  
Andrew J. Lee ◽  
Jian-Zhong Song
Keyword(s):  
Pattern Recognition ◽  
Real Time ◽  
Coordinate Transformations ◽  
Optical Pattern Recognition ◽  
Time Deformation ◽  
Optical Pattern

Real-Time Shift-Invariant Optical Pattern Recognition

1997 ◽  
Vol 08 (04) ◽  
pp. 733-748 ◽  
Author(s):  
Yih-Shyang Cheng
Keyword(s):  
Pattern Recognition ◽  
Real Time ◽  
Time Shift ◽  
Spatial Light Modulators ◽  
Optical Pattern Recognition ◽  
Light Modulators ◽  
Optical Pattern ◽  
Shift Rotation ◽  
Shift Invariance ◽  
Vanderlugt Correlator

Shift invariance is an asset of the VanderLugt correlator, from which the location of the identified object is automatically specified. The development of filters which possess two or three types of invariance (shift, rotation, size, and distortion) simultaneously is reviewed. Various real-time implementation of VanderLugt as well as joint-transform correlators by utilizing spatial light modulators are also reviewed.

Optical pattern recognition in motion acquired scenes using a binary joint transform correlation

1997 ◽  
Vol 44 (2) ◽  
pp. 313-325 ◽  
Author(s):  
Ignacio Juvells ◽  
Santiago Vallmitjana ◽  
Estela Martín-Badosa ◽  
Arturo Carnicer
Keyword(s):  
Pattern Recognition ◽  
Optical Pattern Recognition ◽  
Optical Pattern ◽  
Joint Transform Correlation
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