A=uint16(double(A)/4294967295*65535);
例子:
A=imread('20180731tif.tif');
A=uint16(double(A)/4294967295*65535);
thresh = graythresh(A); %自動確定二值化閾值
BW1 = imbinarize(A,thresh); %對圖像二值化
n=Inf;
BW = bwmorph(BW1,'shrink',n);
imshow(BW);
參考 https://blog.csdn.net/a573233077/article/details/85758436