update,

vinniesniper-54816/task1/_lab/007-train-bus-test/negdata.1/_RGBtoGray.py

@@ -0,0 +1,26 @@
+# -*- coding:utf8 -*-
+import cv2
+import numpy as np 
+import os
+import re
+import shutil
+from pathlib2 import Path
+ 
+ 
+# 批量灰度化图片
+def GrayPic(srcImgDir):
+    for item in srcImgDir.rglob("*.jpg"):
+        # 获取图片名
+        imgName = item.name
+        img=cv2.imread(imgName)
+        gray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
+        cv2.imwrite("gray"+imgName,gray)
+        
+        
+if __name__ == '__main__':
+
+    # 文件路径--跟代码同目录
+    srcImgPath = Path("./")
+    GrayPic(srcImgPath)
+    
+    os.system("pause")