Optical demonstration of shift-, rotation- and limited size-invariant pattern recognition using a circular harmonic-synthetic discrimination function filter

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题名:	Optical demonstration of shift-, rotation- and limited size-invariant pattern recognition using a circular harmonic-synthetic discrimination function filter
作者:	Yau,HF;Yang,YO;Chen,PW
贡献者:	光電科學研究所
关键词:	EXPANSION
日期:	1996
上传时间:	2010-06-29 19:44:11 (UTC+8)
出版者:	中央大學
摘要:	Optical means of performing pattern recognition possessing shift-, rotation- and limited size-invariance is demonstrated. The experimental set-up is a standard Fourier transform correlator with a binary circular harmonic (CGH) filter. The filtering function of the filter is obtained by the synthetic discriminant functions (SDF) method. In the process of synthesizing the filtering function, circular harmonic functions are chosen as the basic functions. Both optical results and computer simulation results demonstrate that the filter is able to recognize the target in every rotational orientation and in the relative size range of 1-1.82.
關聯:	OPTICAL AND QUANTUM ELECTRONICS
显示于类别:	[光電科學研究所] 期刊論文

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