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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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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 el 18 de Dic. de 2015
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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