DreamMotion introduces a novel approach to zero-shot video editing by leveraging score distillation sampling. The method focuses on distilling video scores from text-to-video diffusion models, avoiding the standard denoising process and instead using Delta Denoising Score gradients to modify appearance while maintaining motion integrity. By aligning spatial and temporal self-similarities between original and edited videos, structural deviations are minimized, ensuring smooth appearance modifications. The methodology is applicable to both cascaded and non-cascaded video diffusion frameworks, demonstrating superior results in altering appearances while preserving original structures and motions.
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