I?=?imread（‘lena.jpg‘）;??%?讀入圖像
I=rgb2gray（I）;??
%subplot（121）;
%?轉(zhuǎn)化為灰色圖像
imshow（I）;title（‘原圖‘）
BW1?=?edge（I‘canny‘）;??%?調(diào)用canny函數(shù)
%subplot（122）;
imshow（BW1）;?????%?顯示分割后的圖像，即梯度圖像
title（‘canny‘）

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-10?23:25??canny算子\
?????文件?????????236??2018-10-31?09:07??canny算子\canny.m
?????文件???????10423??2018-10-31?09:07??canny算子\canny.png
?????文件???????12822??2018-10-31?08:39??canny算子\lena.jpg
?????目錄???????????0??2018-11-10?23:25??canny算子\my_canny\
?????文件???????10423??2018-10-31?09:07??canny算子\my_canny\canny.png
?????文件?????????487??2018-10-31?08:55??canny算子\my_canny\connect.m
?????文件?????????326??2018-10-31?08:45??canny算子\my_canny\get_coords.m
?????文件???????12822??2018-10-31?08:39??canny算子\my_canny\lena.jpg
?????文件???????13573??2018-10-31?09:24??canny算子\my_canny\low?=?60?.png
?????文件????????1954??2018-11-10?18:35??canny算子\my_canny\my_canny.m
?????文件??????117986??2018-10-31?09:04??canny算子\my_canny\sobel邊緣檢測(cè).png
?????文件????????1931??2018-10-31?09:37??canny算子\my_canny\test.m
?????文件????????9923??2018-10-31?09:27??canny算子\my_canny\up?=120.png
?????文件????????8500??2018-10-31?09:18??canny算子\my_canny\up=240.png
?????文件???????14662??2018-10-31?09:28??canny算子\my_canny\上下閾值（up=120low=60）.png
?????文件???????78752??2018-10-31?09:05??canny算子\my_canny\原圖.png
?????文件???????98759??2018-10-31?09:03??canny算子\my_canny\非極大抑制.png
?????文件???????72766??2018-10-31?09:04??canny算子\my_canny\高斯濾波.png