增加翻译内容.

Signed-off-by: ithink.chan <chenyang@autoai.com>

Algorithm/AI/Deep_Learning_Haar_Cascade_Explained.md

@@ -34,6 +34,15 @@ Haar 级联分类器是一种机器学习算法，最初由 Paul Viola 和 Micha
 3. Adaboost[3] Training
 4. Cascading Classifiers“
 
+Haar 级联分类器主要有四个步骤：
+
+1. Haar 特征选择
+2. 创建积分图
+3. Adaboost 训练
+4. 级联各个分类器
+
+“It is well known for being able to detect faces and body parts in an image, but can be trained to identify almost any object.”
+
 ## 标注
 
 [1] Haar