I1=imread('低2.bmp');
I2=imread('高2.bmp');
W=38;H=29;x1=312;y1=271;
[rows,cols,depth] = size(I1);
% I1
figure;
set (gcf,'Position',[100,100,cols,rows]);
imshow(I1,'border','tight','initialmagnification','fit');
hold on
rectangle('Position',[x1,y1,W,H],'LineWidth',2,'EdgeColor','y');
frame=getframe(gcf);
result=frame2im(frame);
imwrite(result,'./海康/I1_roi.bmp');