补充外文资料.

Signed-off-by: ithink.chan <chenyang@autoai.com>
2020-03-26 16:42:22 +08:00 · 2020-03-26 16:42:22 +08:00 · 7ffbaee233
parent a77206294b
commit 7ffbaee233
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--- a/Algorithm/AI/人脸检测_HOG_特征.md
+++ b/Algorithm/AI/人脸检测_HOG_特征.md
@ -1,3 +1,5 @@
-# [人脸检测（1）——HOG特征](https://www.cnblogs.com/freedomker/p/7428522.html)
+# [Histogram of Oriented Gradients](https://www.learnopencv.com/histogram-of-oriented-gradients/)
+
+[人脸检测（1）——HOG特征](https://www.cnblogs.com/freedomker/p/7428522.html)

 [人脸检测——基于机器学习4 HOG特征](https://www.cnblogs.com/gfgwxw/p/9743511.html)