It is simple and easy to extract the seven order moment of the graph, and the image is identified by using the characteristic moment.

Filename	Size	Update
Hu不变矩\JuFeature.m	103	2012-03-22
Hu不变矩\1.BMP	11382	2009-08-17
Hu不变矩\qijieju.m	1035	2012-03-11
Hu不变矩	0	2012-03-22

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