Optical signal processing using channel multiplexing

被引:0
作者
García, J [1 ]
Esteve-Taboada, JJ [1 ]
Ferreira, C [1 ]
机构
[1] Univ Valencia, Dept Opt, E-46100 Burjassot, Spain
来源
OPTOELECTRONIC INFORMATION PROCESSING: OPTICS FOR INFORMATION SYSTEMS | 2001年 / CR81卷
关键词
spatial multiplexing; wavelength multiplexing; harmonic expansion; correlation; pattern recognition; wavelet decomposition;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Several methods for channel multiplexing are described and analyzed. The systems permit the use of a single optical setup for the processing of multichannel images or several channels of the same image. The definition of channels depends on the problem to be addressed, examples being RGB images, several orders of circular or radial harmonic extracted from a monochromatic image or resolution channels. The methods can rely on a time sequential multiplexing, spatial multiplexing in the input plane and wavelength multiplexing.
引用
收藏
页码:101 / 125
页数:25
相关论文
共 51 条
[1]   REAL-TIME OPTICAL ARITHMETIC LOGICAL PROCESSING [J].
ALAM, MS ;
KARIM, MA .
JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING, 1993, 17 (03) :251-258
[2]  
[Anonymous], WAVELETS TIME FREQUE
[3]   GABORS SIGNAL EXPANSION AND THE ZAK TRANSFORM [J].
BASTIAANS, MJ .
APPLIED OPTICS, 1994, 33 (23) :5241-5255
[4]  
CARPER WJ, 1990, PHOTOGRAMM ENG REM S, V56, P459
[5]   PARALLEL DISCRETE AND CONTINUOUS WAVELET TRANSFORMS [J].
CAULFIELD, HJ ;
SZU, HH .
OPTICAL ENGINEERING, 1992, 31 (09) :1835-1839
[6]   THE WAVELET TRANSFORM, TIME-FREQUENCY LOCALIZATION AND SIGNAL ANALYSIS [J].
DAUBECHIES, I .
IEEE TRANSACTIONS ON INFORMATION THEORY, 1990, 36 (05) :961-1005
[7]   Multichannel single-output color pattern recognition by use of a joint-transform correlator [J].
Deutsch, M ;
Garcia, J ;
Mendlovic, D .
APPLIED OPTICS, 1996, 35 (35) :6976-6982
[8]   EXPERIMENTAL RESULTS IN COLOR PATTERN-RECOGNITION BY MULTICHANNEL MATCHED FILTERING [J].
FERREIRA, C ;
MILLAN, MS ;
YZUEL, MJ ;
CAMPOS, J .
OPTICAL ENGINEERING, 1992, 31 (10) :2231-2238
[9]  
FREEMAN MO, 1991, IEEE INT S CIRC SYST
[10]  
Freysz E., 1990, PHYS REV LETT, V64, P7745