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by code_runner
932 days ago
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maybe its just that peoples hands are all such different shapes, proportions, in odd positions, not fully visible.... but something like "this muscle runs between the elbow and wrist" is just easier for the model to pick up on... it has "anchor points". Facial features and fingers just.... are hanging off the body in extremely non-uniform ways w/ no real set proportions. It isn't totally intuitive to me why its so bad at it, but faces especially are so unique and the musculature of the face is so fine.... learning a representation must just be really really difficult. |
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