Update writeup-chinese.md

yang1688899 · Nov 9, 2017 · f2a401c · f2a401c
1 parent 63cb99a
commit f2a401c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/writeup-chinese.md b/writeup-chinese.md
@@ -114,8 +114,8 @@ It seems that it lose track of the lane line where the road color and the line c
 Then I use the magnitude threshholds to see how well it does to capture the lane line:
 ```
 def mag_thresh(img, sobel_kernel=3, mag_thresh=(0, 255)):
-    # Convert to grayscale
-    gray = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
+    # 转换为灰度图
+    gray = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
     # Take both Sobel x and y gradients
     sobelx = cv2.Sobel(gray, cv2.CV_64F, 1, 0, ksize=sobel_kernel)
     sobely = cv2.Sobel(gray, cv2.CV_64F, 0, 1, ksize=sobel_kernel)