MATLAB中,在一幅图片上用hold on画了矩形框,我想把这个带矩形框的图赋 ...答:参考figure;imshow(f1);hold onrectangle('Position',[y+x1,x,h,1.1*h],'LineWidth',4,'EdgeColor','r');F=getframe(gcf); % 获取整个窗口内容的图像imwrite(F.cdata,'test1.png')
MATLAB程序上面显示错误,水印嵌入总是出不来,求大神指点,帮忙修改!毕设...答:imwrite(uEmbed,'dwt.bmp','bmp');PSNR = psnr(dOrigCover,dEmbed);elapsed_time=cputime-start_time figure(1),imshow(iCover,[]);title('Original Image');figure(2),imshow(uEmbed,[]);title(strcat('Watermarked Image',',PSNR=',num2str(PSNR)));END--- --- 基于小波变换的扩频图象...