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The authors of Self-Forcing++ and SVI both say standard image/consistency metrics can reward degraded or static video, so motion (dynamic degree) must be read with them.\n\nCurator qualifications: All excerpts located; CausVid 30 s quality vs over-exposure at 50-100 s (different lengths/metrics) kept.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://arxiv.org/abs/2412.07772v4","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/abs/2509.25161v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/abs/2510.02283v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/abs/2510.09212v1","note":"candidate evidence excerpts"}]},"categories":["T06","T15","T20"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://arxiv.org/abs/2412.07772v4","claim":"Four measurement styles appear: (1) an imaging-quality-versus-time curve over 30 s (CausVid Fig. 8); (2) a first-5-s versus last-5-s imaging-quality delta, \"ΔDriftQuality\", on 30 s videos (Rolling Forcing); (3) whole-video VBench-Long dimensions at 50/75/100 s plus a Gemini-2.5-Pro \"visual stability\" score (Self-Forcing++); (4) VBench dimensions at 50/250 s with an explicit warning that copied clips fool consistency metrics (SVI). 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