matlab的目标追踪
时间: 2024-01-07 17:22:02 浏览: 39
以下是使用MATLAB实现单目标和多目标追踪的示例代码:
单目标追踪:
```matlab
% 读取视频文件
videoFileReader = vision.VideoFileReader('visiontraffic.avi');
% 显示第一帧并让用户选择追踪区域
videoFrame = step(videoFileReader);
figure; imshow(videoFrame); title('Select ROI for object tracking');
objectRegion = round(getPosition(imrect));
% 初始化对象跟踪器
objectTracker = vision.HistogramBasedTracker;
objectImage = rgb2gray(videoFrame);
initializeObject(objectTracker, objectImage, objectRegion);
% 追踪目标并在每一帧上显示矩形框
while ~isDone(videoFileReader)
videoFrame = step(videoFileReader);
[objectRegion, ~] = step(objectTracker, rgb2gray(videoFrame));
videoOut = insertShape(videoFrame, 'Rectangle', objectRegion, 'LineWidth', 2);
imshow(videoOut); title('Single Object Tracking');
end
% 释放对象并关闭窗口
release(videoFileReader);
```
多目标追踪:
```matlab
% 读取视频文件
videoFileReader = vision.VideoFileReader('atrium.mp4');
% 创建对象检测器
objectDetector = vision.CascadeObjectDetector('FrontalFaceCART');
% 追踪目标并在每一帧上显示矩形框
while ~isDone(videoFileReader)
videoFrame = step(videoFileReader);
bbox = step(objectDetector, videoFrame);
videoOut = insertObjectAnnotation(videoFrame, 'rectangle', bbox, 'Face');
imshow(videoOut); title('Multiple Object Tracking');
end
% 释放对象并关闭窗口
release(videoFileReader);
```