MotionCraft: Latent World Modeling with Sparse Attention for Visual Upscaling

• URL: http://arxiv.org/abs/2608.08553v1
• Date: Sun, 09 Aug 2026 07:54:43 GMT
• Title: MotionCraft: Latent World Modeling with Sparse Attention for Visual Upscaling
• Abstract summary: Video super-resolution (VSR) aims to recover highfidelity high-resolution videos from low-resolution inputs.<n>We present MotionCraft, a controllable VSR framework that formulates restoration as motion-aware latent state prediction.
• Score: 17.6321469924025
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Video super-resolution (VSR) aims to recover high-fidelity high-resolution videos from low-resolution inputs and is central to applications ranging from mobile capture to streaming and archival restoration. Existing approaches trade off among local-detail fidelity, long-range spatio-temporal modeling, perceptual realism, and efficiency: convolutional alignment techniques preserve local structure but suffer when motion is large or degradations are complex; transformer-based methods capture long-range dependencies yet require architectural or algorithmic adaptations to remain computationally feasible; and recent latent or diffusion-based generators synthesize rich texture but require specialized temporal constraints to maintain coherence. We present MotionCraft, a controllable VSR framework that formulates restoration as motion-aware latent state prediction inspired by world models and integrates adaptive sparse attention with an explicit user-accessible control interface. MotionCraft combines robust motion fusion, a Latent World Transformer that balances locality and targeted non-local interactions, and a compact conditional decoder to deliver temporally consistent, high-quality reconstructions under streaming constraints. Empirical evaluations show that MotionCraft achieves strong reconstruction and perceptual performance while enabling predictable trade-offs between temporal smoothness and reconstruction fidelity.

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