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雷锋网
8 年
图像学习之如何理解方向梯度直方图(Histogram Of Gradient)
雷锋网按:本文作者Slyne_D,原文载于作者的简书主页,雷锋网经授权发布。 本文主要翻译了Histogram of Oriented Gradients一文。 特征描述子(Feature Descriptor) 特征描述子就是图像的表示,抽取了有用的信息,丢掉了不相关的信息。通常特征描述子会把一个w*h*3(宽高3,3 ...
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