We did a quick training of DepthAI over the weekend (using https://docs.luxonis.com/tutorials/object_det_mnssv2_training/) on Mask (Good) and No Mask (Bad). Seems pretty decent as long as it's not too-far range: https://photos.app.goo.gl/FhhUCLTsm6tqBgqL8
Running on (uncalibrated) DepthAI real-time: