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Developer Builds AI Tool to Generate ASL Sign Videos, Flags Accuracy Concerns

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A developer with years of ASL experience has created SignBridge, a prototype that uses generative AI to produce videos of individual American Sign Language signs. The tool accepts a word as input and attempts to generate a corresponding signing video, using detailed prompts about handshape and movement. However, the creator acknowledges a key limitation: generated videos can appear convincing while containing errors in handshape, position, or motion, and results vary across generations. Sentence-level signing remains out of scope for now, with the project focusing solely on single words. The developer is seeking input from experts in pose estimation, animation, and sign language technology, with a preference for verification methods involving Deaf signers rather than visual plausibility alone.

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