i tried to find contours for image it make error
i using python 2.7
openCV 2.4.7,2.4.11
my code is
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import cv2
import numpy as np
img = cv2.imread('star.jpg',0)
ret,thresh = cv2.threshold(img,127,255,0)
contours,hierarchy = cv2.findContours(thresh, 1, 2)
error is
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Traceback (most recent call last):
File "C:\Python27\OpenCVContore.py", line 5, in
contours,hierarchy,thresh = cv2.findContours(thresh, 1, 2)
error: ..\..\..\..\opencv\modules\core\src\matrix.cpp:236: error: (-215) step[dims-1] == (size_t)CV_ELEM_SIZE(flags) in function cv::Mat::create
please help me .. thank you opencv users
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