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

NCU Institutional Repository > 理學院 > 光電科學研究所 > 期刊論文 > Item 987654321/28218

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題名:	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
貢獻者:	光電科學研究所
關鍵詞:	EXPANSION
日期:	1996
上傳時間:	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
顯示於類別:	[光電科學研究所] 期刊論文

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