How to know the detected face is of which frame in a matlab code of face detection and how to save first and last frame.

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Neelum Dave
Neelum Dave 2015 年 12 月 18 日
回答済み: Dima Lisin 2015 年 12 月 18 日
videoFileReader = vision.VideoFileReader('h1.avi'); videoFrame = step(videoFileReader); figure, imshow(videoFrame) faceDetector = vision.CascadeObjectDetector; bbox = step(faceDetector, videoFrame); videoOut = insertObjectAnnotation(videoFrame,'rectangle',bbox,'Face'); figure, imshow(videoOut), title('Detected face')

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Dima Lisin
Dima Lisin 2015 年 12 月 18 日
Use an if statement to check if bbox is empty. If it is empty, then no face is detected. If not, then a face is detected.

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