SHIFT ROTATIONAL-INVARIANT AND NONUNIFORM IRRADIANCE PATTERN-RECOGNITION

NCU Institutional Repository > 理學院 > 光電科學研究所 > 期刊論文 > Item 987654321/28231

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题名:	SHIFT ROTATIONAL-INVARIANT AND NONUNIFORM IRRADIANCE PATTERN-RECOGNITION
作者:	CHENG,YS;LIANG,TC
贡献者:	光電科學研究所
关键词:	CIRCULAR HARMONIC EXPANSION;FILTERS
日期:	1995
上传时间:	2010-06-29 19:44:32 (UTC+8)
出版者:	中央大學
摘要:	A composite filter combining a 2-Dimension (2-D) symmetrical Mexican-hat wavelet filter and circular harmonic filter is used to perform shift- and rotational-invariant optical pattern recognition. Simulation results have shown that the method yields correlation output, in terms of correlation peak sharpness and peak-to-sidelobe ratio, the same as or better than that produced by others. The light efficiency of the proposed filters is comparable to that of a circular harmonic filter. Furthermore, even when the input pattern is of various nonuniform irradiances, the filter can recognize them.
關聯:	JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS
显示于类别:	[光電科學研究所] 期刊論文

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