Sunglasses mostly work, thanks to face shape recognition. Masks can be detected if they match common types included in the dataset (scary, ghost, cat, Halloween

Sunglasses mostly work, thanks to face shape recognition. Masks can be detected if they match common types included in the dataset (scary, ghost, cat, Halloween, etc.). We can calculate a 'human score,' but the robust solution is simple: if the face is detected as a human face, then it's not a rabbit mask