function?im=can（img）

?
????I?=?imread（img）;
????gray?=?rgb2gray（I）;
???
????a?=?im2single（gray）;
???
????[mn]?=?size（a）;
????%?用于輸出的邊界位圖
????e?=?false（mn）;
???
????%?Magic?numbers
????GaussianDieOff?=?.0001;?
????PercentOfPixelsNotEdges?=?.7;?%?用于閥值選擇
????ThresholdRatio?=?.4;??????????%?低閥值相對高閥值的比值
????sigma?=?1;?%設置sigma
????thresh?=?[];
???
????%?設計濾波器?-?a?gaussian和它的導數
????pw?=?1:30;?%?possible?widths
????ssq?=?sigma^2;
????width?=?find（exp（-（pw.*pw）/（2*ssq））>GaussianDieOff1‘last‘）;%find函數很給力...
????if?isempty（width）
????width?=?1;??%?the?user?entered?a?really?small?sigma
????end
???
????t?=?（-width:width）;
????gau?=?exp（-（t.*t）/（2*ssq））/（2*pi*ssq）;?????%?高斯一維濾波
???
????%?Find?the?directional?derivative?of?2D?Gaussian?（along?X-axis）
????%?Since?the?re

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????368935??2020-07-27?22:55??LKmatlab\1（1）.jpg
?????文件??????354718??2020-07-27?22:55??LKmatlab\1（2）.jpg
?????文件????????6074??2020-07-27?22:55??LKmatlab\a.png
?????文件????????5599??2020-07-27?22:55??LKmatlab\b.png
?????文件????????4524??2020-07-27?22:55??LKmatlab\can.m
?????文件????????1501??2020-07-27?22:55??LKmatlab\cmecanny.m
?????文件????????3142??2020-07-27?22:55??LKmatlab\computeColor.m
?????文件????????1217??2020-07-27?22:55??LKmatlab\Example.m
?????文件????????1173??2020-07-27?22:55??LKmatlab\Exemple.asv
?????文件?????????982??2020-07-27?22:55??LKmatlab\Expand.m
?????文件????????3518??2020-07-27?22:55??LKmatlab\HierarchicalLK.m
?????文件????????1807??2020-07-27?22:55??LKmatlab\ImToPolar.m
?????文件????????1895??2020-07-27?22:55??LKmatlab\LucasKanade.m
?????文件????????2944??2020-07-27?22:55??LKmatlab\LucasKanadeRefined.m
?????文件????????2170??2020-07-27?22:55??LKmatlab\PolarToIm.m
?????文件??????????81??2020-07-27?22:55??LKmatlab\Readme.txt
?????文件?????????586??2020-07-27?22:55??LKmatlab\Reduce.m
?????文件????????1000??2020-07-27?22:55??LKmatlab\Untitled.m
?????文件?????????620??2020-07-27?22:55??LKmatlab\Untitled4.m