Diffusion Drafts, AR Verifies: Accelerating Document OCR with Self-Speculative Decoding
GravityOCR is introduced, a parameter-shared AR-block-diffusion model jointly trained for parallel drafting and causal AR verification, and Verifying drafts before commitment lets the model commit multiple output tokens per round without a separate drafting network.
Dohyun Kim, Sung-Jun Han, Hyun-geun Kim et al.
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