DrawVideo: Generating Long Video from Storyboard Keyframe Sketches

• URL: http://arxiv.org/abs/2605.23508v1
• Date: Fri, 22 May 2026 11:16:05 GMT
• Title: DrawVideo: Generating Long Video from Storyboard Keyframe Sketches
• Abstract summary: DrawVideo is a sketch-guided, storyboard-driven framework for controllable long-video generation.<n>It decomposes long videos into independently controllable shots, each defined by a black-and-white sketch, an appearance prompt, and a motion prompt.<n>Experiments show DrawVideo achieves strong structural controllability, appearance consistency, visual stability, and coherent long-video generation.
• Score: 14.777037981233079
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Long video generation requires high-fidelity synthesis, coherent narrative structure, and user control over extended time spans. Existing text-to-video methods often rely on a single long prompt, limiting control over pose, composition, layout, and motion. We propose DrawVideo, a sketch-guided, storyboard-driven framework for controllable long-video generation. DrawVideo decomposes long videos into independently controllable shots, each defined by a black-and-white sketch, an appearance prompt, and a motion prompt. The sketch controls pose and layout, the appearance prompt defines identity, scene, and style, and the motion prompt guides temporal dynamics. DrawVideo follows a hierarchical 'global multi-shot, local single-sketch' strategy: it first generates a structure-aligned reference keyframe, then expands the motion prompt into derivative keyframes representing action states, and finally synthesizes clips between adjacent keyframes to build each shot. We also introduce SketchLongVideo, the first dataset for sketch-guided text-to-long-video generation, constructed from animation videos via shot detection, keyframe extraction, vision-language recognition, prompt decomposition, and sketch conversion. Experiments show that DrawVideo achieves strong structural controllability, appearance consistency, visual stability, and coherent long-video generation.

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