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9 October 2000 Multichannel correlation recognition method of optical images
Hongxia Wang, Junfa He, Honghui Sun
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Proceedings Volume 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications; (2000) https://doi.org/10.1117/12.402562
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China
Abstract
In this paper a multi-channel real-time hybrid joint transform correlator is proposed. In this correlator, the computer control is used to divide the screen into several equal size windows, reference images of the windows are all the same one and object images are adopted from different frames of image sequences by CCD, twice Fourier transforms of every channel images are realized by using hololens array. Areas of LCLV and the output light energy can be used effectively. The correlation performance can be improved.
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Hongxia Wang, Junfa He, and Honghui Sun "Multichannel correlation recognition method of optical images", Proc. SPIE 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications, (9 October 2000); https://doi.org/10.1117/12.402562
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KEYWORDS
Fourier transforms
Optical correlators
Staring arrays
Joint transforms
Charge-coupled devices
Modulation
Channel projecting optics
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