Using Optical Walsh Transformation for Feature Extraction in Image Matching

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Acta Optica Sinica, Volume. 21, Issue 2, 167(2001)

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]

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A Novel method is proposed for realizing optical Walsh transformation to extract the most important features in images. The important features can be used in optical image matching of large capacity image library. Based on a hybrid opto-electrical image processing system with an incoherent correlator, the image matching algorithm using optical Walsh transformation is realized successfully.

Keywords

feature extraction hybrid opto-electrical system incoherent correlator optical computing Walsh transformation

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Using Optical Walsh Transformation for Feature Extraction in Image Matching[J]. Acta Optica Sinica, 2001, 21(2): 167

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Paper Information

Category: Fourier optics and signal processing

Received: Jul. 13, 1999

Accepted: --

Published Online: Aug. 10, 2006

The Author Email:

DOI:

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology