MATLAB计算机视觉跟踪库调用

1 close all
2 clear
3 clc

1 videoFReader = vision.VideoFileReader(‘yeast.avi‘,‘VideoOutputDataType‘,‘double‘);
2 vidPlayer = vision.DeployableVideoPlayer;

1 tracker = vision.HistogramBasedTracker;

 1 % 读取视频的一帧
 2 objectFrame = step(videoFReader); 
 3  
 4 % 转换颜色空间为HSV颜色空间
 5 objectFrameHsv = rgb2hsv(objectFrame);
 6 
 7 % 方式1：使用预定义的值初始化需要跟踪对象的位置
 8 %objectRegion = [50,90,60,100];
 9 
10 % 方式2：通过绘制矩形框标记出需要跟踪对象的位置
11  imshow(objectFrame)
12  h = imrect;
13  wait(h)
14  objectRegion = getLoc(h);
15 
16 % 使用饱和通道进行分短
17 initializeObject(tracker,objectFrameHsv(:,:,2),objectRegion,32);

 1 while ~isDone(videoFReader)
 2     % 读取图像并转换为HSV颜色空间
 3     frame = step(videoFReader);
 4     Ihsv = rgb2hsv(frame);
 5     
 6     % 跟踪对象展示结果 7     bbox = step(tracker,Ihsv(:,:,2));
 8     
 9     % 可视化结果
10     outFrame = insertShape(frame,‘Rectangle‘,bbox);
11     
12     % 更新视频播放器
13     step(vidPlayer,outFrame);
14     
15     pause(0.2)
16 end

1 release(vidPlayer);
2 release(videoFReader);