import?cv2
import?numpy?as?np

img?=?cv2.imread（“../images/statue_small.jpg“?0）
cv2.imwrite（“canny.jpg“?cv2.Canny（img?200?300））
cv2.imshow（“canny“?cv2.imread（“canny.jpg“））
cv2.waitKey（）
cv2.destroyAllWindows（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-10?15:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\
?????目錄???????????0??2018-09-10?15:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\
?????文件?????????215??2015-07-08?08:47??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\canny.py
?????文件?????????413??2015-07-08?10:03??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\contours.py
?????文件????????1065??2015-07-10?10:08??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\contours_2.py
?????文件?????????763??2015-07-10?19:02??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\contours_hull.py
?????文件?????????783??2015-07-07?08:10??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\fourier.py
?????文件?????????685??2015-07-12?08:18??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\hough_circles.py
?????文件?????????405??2015-07-12?07:53??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\hough_lines.py
?????文件?????????695??2015-07-08?08:23??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\hpf.py
?????文件????????1067??2015-07-04?08:06??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?3_Code\skin.py
?????目錄???????????0??2018-09-10?15:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?5_Code\
?????文件????????2737??2015-04-18?07:58??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?5_Code\depth.py
?????文件????????1779??2015-04-23?10:06??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?5_Code\disparity.py
?????文件????????1229??2015-04-17?23:19??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?5_Code\disparity_video.py
?????文件?????????510??2015-09-24?20:01??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?5_Code\segmentation.py
?????文件????????1007??2015-04-23?09:20??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?5_Code\watershed.py
?????目錄???????????0??2018-09-10?15:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\
?????文件?????????528??2015-05-07?07:54??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\brief.py
?????文件?????????701??2015-05-08?02:22??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\feat_det.py
?????文件????????1151??2015-05-09?07:41??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\flann.py
?????文件?????????713??2015-05-10?05:38??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\generate_descriptors.py
?????文件?????????829??2015-04-04?03:40??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\generate_train.py
?????文件????????1679??2015-05-10?05:47??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\homography.py
?????文件????????1626??2015-05-10?04:03??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\scan_for_matches.py
?????文件?????????470??2015-05-06?08:03??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?6_Code\sift.py
?????目錄???????????0??2018-09-10?15:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?7_Code\
?????目錄???????????0??2018-09-10?15:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?7_Code\car_detector\
?????文件????????1912??2015-06-01?01:58??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?7_Code\car_detector\detector.py
?????文件????????2959??2015-06-01?04:32??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?7_Code\car_detector\non_maximum.py
?????文件?????????386??2015-05-30?20:10??Learning_OpenCV_3_Computer_Vision_with_Python_Second_Edition_Code\Chapter?7_Code\car_detector\pyramid.py
............此處省略41個文件信息