基于matlab的视频处理程序

clear; clc; obj=videoinput('winvideo',1,'YUY2_640x480'); set(obj,'TriggerRepeat',Inf);%TriggerRepeat重复触发 set(obj,'FramesPerTrigger',1);%FramesPerTrigger每特定的帧数去触发捕获选定使用的视频源 set(obj,'FrameGrabInterval',1);%FrameGrabInterval帧的抓取时间间隔 %设置返回色彩 rgb正常颜色（YUY2格式颜色发红），grayscale是灰度 %set(obj,'ReturnedColorSpace','rgb'); %set(obj,'ReturnedColorSpace','grayscale'); window1 = figure('position',[100 300 350 350], 'Menubar', 'None', ... 'NumberTitle', 'off', 'Name', '视频监控程序'); x1 = axes('Parent', window1, 'Units', 'Normalized', ... 'Position', [.1 .25 .8 .6]); axis off win1bt1=uicontrol('Parent', window1, 'Units', 'Normalized', ... 'Position', [.4 .03 .2 .1], 'String', '开启', ... 'Callback', ... ['hh=gfgg();'... 'objRes = get(obj, ''VideoResolution'');' ...%视频分辨率 'nBands = get(obj, ''NumberOfBands'');' ...%色彩数目 'hImage = image(zeros(objRes(2), objRes(1), nBands));' ... 'preview(obj, hImage);']);% himage：视频预览窗口对应的句柄，也就是说在指定的句柄对象中预览视频 window2 = figure('position',[500 300 350 350], 'Menubar', 'None', ... 'NumberTitle', 'off', 'Name', '视频实时处理程序'); x2 = axes('Parent',window2, 'Units', 'Normalized',... 'Position', [.1 .15 .8 .8]); axis off win2bt1=uicontrol('Parent', window2, 'Units', 'Normalized', ... 'Position', [.2 .03 .2 .1], 'String', '处理', ... 'Callback',... ['hh2=gfgg();'...%读取进度条子程序 'start(obj);',... 'a=1;',... 'while(a<10)',... 'img=ycbcr2rgb(getsnapshot (obj));',...%读取帧操作 'rgbimg= ycbcr2rgb(img);',...%图像处理操作 'tt=graythresh(rgbimg);',... 'bw=im2bw(rgbimg,tt);',... 'imshow(bw);',... 'pause(0.1);',... 'end;',... 'stop(obj);']); win2bt2=uicontrol('Parent', window2, 'Units', 'Normalized', ... 'Position', [.6 .03 .2 .1], 'String', '停止', ... 'Callback',... ['a=10;']);%开关 window3 = figure('position',[900 300 350 350], 'Menubar', 'None', ... 'NumberTitle', 'off', 'Name', '视频截图程序'); x3 = axes('Parent', window3, 'Units', 'Normalized',... 'Position', [.1 .15 .8 .8]); axis off win3bt1=uicontrol('Parent', window3, 'Units', 'Normalized', ... 'Position', [.4 .03 .2 .1], 'String', '截图', ... 'Callback',... ['img2=getsnapshot(obj);',... 'rgbimg2= ycbcr2rgb(img2);',... 'tt2=graythresh(rgbimg2);',... 'bw2=im2bw(rgbimg,tt2);',... 'imshow(bw2);',... 'imwrite(bw,''image.jpg'',''quality'',80);',...%将图像存储在当前目录 'pause(0.1);',... 'a=1;',... 'figure(2);',... 'while(a<10)',... 'img=ycbcr2rgb(getsnapshot (obj));',... 'rgbimg= ycbcr2rgb(img);',... 'tt=graythresh(rgbimg);',... 'bw=im2bw(rgbimg,tt);',... 'imshow(bw);',... 'pause(0.1);',... 'end;',... 'stop(obj);']);