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How to detect faces without using vision.Cas​cadeObject​Detector

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I am new in matlab I am trying to detect faces without using built in functions but I not able to do this any help.

Answers (1)

yanqi liu
yanqi liu on 28 Mar 2022
yes,sir,may be use ycbcr color segment to identify face as simple method
if possible,can you upload your image to analysis?
Mahmoud Abdelaziz
Mahmoud Abdelaziz on 28 Mar 2022
Thank you for helping but this only work for this image, if I change the image it does not work properly.
yanqi liu
yanqi liu on 29 Mar 2022
yes,sir,if use different image,may be check
such as
im = imresize(I, 0.3, 'bilinear');
detector = mtcnn.Detector("MinSize", 15, "MaxSize", 308, "PyramidScale", 5);
[bboxes, scores, landmarks] = detector.detect(im);
displayIm = insertObjectAnnotation(im, "rectangle", bboxes, scores, "LineWidth", 2);
hold on
for iFace = 1:numel(scores)
scatter(landmarks(iFace, :, 1), landmarks(iFace, :, 2), 'filled');

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