Skip to content

O
opencv
Commit 370389c7 authored by StevenPuttemans's avatar StevenPuttemans
Browse files
Options

add extra output argument to tutorial

parent 7b270f4c
Hide whitespace changes
Inline Side-by-side
Showing with 1 addition and 1 deletion
doc/py_tutorials/py_imgproc/py_contours/py_contours_begin/py_contours_begin.markdown
View file @ 370389c7
...@@ -30,7 +30,7 @@ import cv2 ...@@ -30,7 +30,7 @@ import cv2
im = cv2.imread('test.jpg') im = cv2.imread('test.jpg')
imgray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY) imgray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY)
ret,thresh = cv2.threshold(imgray,127,255,0) ret,thresh = cv2.threshold(imgray,127,255,0)
contours, hierarchy = cv2.findContours(thresh,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE) im2, contours, hierarchy = cv2.findContours(thresh,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
@endcode @endcode
See, there are three arguments in **cv2.findContours()** function, first one is source image, second See, there are three arguments in **cv2.findContours()** function, first one is source image, second
is contour retrieval mode, third is contour approximation method. And it outputs the contours and is contour retrieval mode, third is contour approximation method. And it outputs the contours and
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment