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??2019-04-27?09:36??pycv-master\
?????文件??????????18??2019-04-27?09:36??pycv-master\.gitignore
?????目錄???????????0??2019-04-27?09:36??pycv-master\chapter3\
?????文件???????62698??2019-04-27?09:36??pycv-master\chapter3\canny.jpg
?????文件?????????215??2019-04-27?09:36??pycv-master\chapter3\canny.py
?????文件?????????413??2019-04-27?09:36??pycv-master\chapter3\contours.py
?????文件????????1065??2019-04-27?09:36??pycv-master\chapter3\contours_2.py
?????文件?????????763??2019-04-27?09:36??pycv-master\chapter3\contours_hull.py
?????文件?????????783??2019-04-27?09:36??pycv-master\chapter3\fourier.py
?????文件??????108465??2019-04-27?09:36??pycv-master\chapter3\hammer.jpg
?????文件???????86811??2019-04-27?09:36??pycv-master\chapter3\houghlines5.jpg
?????文件?????????685??2019-04-27?09:36??pycv-master\chapter3\hough_circles.py
?????文件?????????405??2019-04-27?09:36??pycv-master\chapter3\hough_lines.py
?????文件?????????695??2019-04-27?09:36??pycv-master\chapter3\hpf.py
?????文件???????90052??2019-04-27?09:36??pycv-master\chapter3\lines.jpg
?????文件???????68639??2019-04-27?09:36??pycv-master\chapter3\planets_circles.jpg
?????文件???????32087??2019-04-27?09:36??pycv-master\chapter3\planet_glow.jpg
?????文件???????30845??2019-04-27?09:36??pycv-master\chapter3\skin.jpg
?????文件????????1067??2019-04-27?09:36??pycv-master\chapter3\skin.py
?????目錄???????????0??2019-04-27?09:36??pycv-master\chapter4\
?????文件????????2737??2019-04-27?09:36??pycv-master\chapter4\depth.py
?????文件????????1229??2019-04-27?09:36??pycv-master\chapter4\disparity_video.py
?????文件?????????669??2019-04-27?09:36??pycv-master\chapter4\grabcut.py
?????文件?????????487??2019-04-27?09:36??pycv-master\chapter4\segmentation.py
?????文件????????1007??2019-04-27?09:36??pycv-master\chapter4\watershed.py
?????目錄???????????0??2019-04-27?09:36??pycv-master\chapter5\
?????目錄???????????0??2019-04-27?09:36??pycv-master\chapter5\cascades\
?????文件??????341406??2019-04-27?09:36??pycv-master\chapter5\cascades\haarcascade_eye.xml
?????文件??????601661??2019-04-27?09:36??pycv-master\chapter5\cascades\haarcascade_eye_tree_eyeglasses.xml
?????文件??????676709??2019-04-27?09:36??pycv-master\chapter5\cascades\haarcascade_frontalface_alt.xml
?????文件??????540616??2019-04-27?09:36??pycv-master\chapter5\cascades\haarcascade_frontalface_alt2.xml
............此處省略234個文件信息