global im [filename,pathname]=uigetfile('*.jpg','输入图片'); file=strcat(pathname,filename); im=imread(file); axes(handles.axes1);%在坐标1显示 imshow(im); ha=axes('units','normalized','position',[0 0 1 1]); uistack(ha,'down') II=imread('E:\1.jpg');%作为背景的图片 image(II) colormap gray set(ha,'handlevisibility','off','visible','off');