blazeface No face detected in FIRST source image

Hi, I hope this is the right place to post this question.

I'm trying to use Blazeface in a Liveportrait workflow in the Liveportrait LoadFaceAlignment Cropper Node. I had it working a few weeks ago but had to uninstall and reinstall. Now Blazeface & Blazeface Back Camera both give the error message: blazeface No face detected in FIRST source image

I was able to get SFD to work, so my first question is if SFD is just as good. If it is, please let me know and ignore the rest.

I seem to remember that there was a setting for "confidence" that would fix this problem, but I looked through every node 3 times and can't find it.

I also read somewhere that blazeface uses 6 keypoints. 2 eyes, 2 ears, nose, & mouth. The subject has her ears covered by long hair. Could this cause the problem?

Those are the causes I could think of. If someone can give me some ideas I'd really appreciate it.

The issue is about Blazeface failing to detect a face in the first source image within a Liveportrait workflow. Check the Blazeface model implementation and its confidence threshold settings. Look at the face-alignment library's source code for the Blazeface detector, possibly in face_alignment/detection/blazeface.py. Review how keypoints (eyes, ears, nose, mouth) are used and if hair covering ears affects detection. Compare with SFD detector to understand differences.

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