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#2
hitzhang2008-10-14 23:23
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已知图像上有一多边形区域，怎样提取这一多边形的角点坐标？例如附件中这样的多边形。
7 回复
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#3
liushikuan2008-10-15 14:56
我用这个函数regionprops(L, 'Extrema' )只能提取出图形的最左，最右，最上，最下几个角点。而凹进去的那两个点无法提取出来。
我就是想知道凹进去的那两个点怎么提取出来？？ |
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#4
hitzhang2008-10-15 18:11
>> 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>> imshow(x) >> y=diff(x,2,1); >> imshow(y) >> z=diff(y,2,2); >> imshow(z) >> |
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#5
liushikuan2008-10-16 20:41
什么意思啊？不明白。
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#6
meteora11062008-10-17 08:08
你给我邮箱吧，我这有一个matlab图像处理的资料，给你寄去。
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#7
liushikuan2008-10-17 14:58
好的。我的邮箱是：liushikuan2008@。多谢了。我给你加分。再次感谢。
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#8
luyicy2010-01-26 22:42
弱弱的问一下，返回值这样的STATS =
Extrema: [8x2 double]，如果想求每个极点的坐标，怎么做啊？ |
1