Add face detection and update algorithm #4
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dpapworth
commented
Mar 5, 2019
| Mat frame = Java2DFrameUtils.toMat(input); | ||
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| Mat grayFrame = new Mat(); | ||
| cvtColor(frame, grayFrame, COLOR_BGR2GRAY); |
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Not sure if conversion to gray is required, but the examples I've seen using this detector have converted the source image to gray. I can't see much difference in the detection performance either way.
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I've added face detection using two example OpenCV classifiers.
I've also updated the cropping algorithm to replicate the current smartcrop.js implementation.