Koukoulas, Triantafillos, Young, Rupert C D, Chatwin, Chris R and Unset (2005) Quantised phase filters with binary low and high pass amplitude response: the effect of quantization for scale and rotation input distortions. Optics and Lasers in Engineering, 43. pp. 963-976. ISSN 0143-8166

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Abstract

In the field of optical pattern recognition, there are a large number of filters that possess identification capabilities for certain kinds of input distortions. The resolution of the spectral components plays an important role in the overall processing time of a correlator that may employ such filters. In this paper, two different techniques are discussed: low pass phase filtering and high pass phase filtering. This is achieved by binarizing the amplitude information which then allows certain frequencies to pass and others to be blocked. Their response to different kinds of input distortions is presented and the effect of phase quantisation is considered in detail.

Item Type:	Article
Schools and Departments:	School of Engineering and Informatics > Engineering and Design
Depositing User:	Rupert Young
Date Deposited:	06 Feb 2012 20:19
Last Modified:	30 Nov 2012 17:06
URI:	http://sro.sussex.ac.uk/id/eprint/25410

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