import cv2.cv as cv import urllib2 from sys import argv def load_sample(name=None): if len(argv) > 1: img0 = cv.LoadImage(argv[1], cv.CV_LOAD_IMAGE_COLOR) elif name is not None: try: img0 = cv.LoadImage(name, cv.CV_LOAD_IMAGE_COLOR) except IOError: urlbase = 'http://code.opencv.org/svn/opencv/trunk/opencv/samples/c/' file = name.split('/')[-1] filedata = urllib2.urlopen(urlbase+file).read() imagefiledata = cv.CreateMatHeader(1, len(filedata), cv.CV_8UC1) cv.SetData(imagefiledata, filedata, len(filedata)) img0 = cv.DecodeImage(imagefiledata, cv.CV_LOAD_IMAGE_COLOR) return img0