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Ningbo University

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Representative Papers

Physically-guided Image Generation for Multi-Projection Mapping

Jun 21, 2026

Existing text-to-image diffusion models often disregard physical constraints in projection mapping, leading to generated content that misaligns with real 3D scenes. To address this, this work proposes ConPhyG, a framework that formalizes two complementary generation paradigms: a cooperative mode that guides the diffusion process using pixel-level physical priors—such as depth, edges, and color gamut—and an adversarial mode that employs bounded numerical optimization to achieve radiometric compensation across multiple projectors, with dynamic switching between modes to balance artistic freedom and physical plausibility. ConPhyG further introduces a sequential generation strategy to ensure 360-degree multi-view consistent, physics-aware image synthesis. Experiments on a real four-projector system demonstrate that ConPhyG significantly outperforms existing methods, achieving state-of-the-art performance in geometric alignment, color gamut utilization, and semantic fidelity.

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Latest Papers

Physically-guided Image Generation for Multi-Projection Mapping

Jun 21, 2026

Existing text-to-image diffusion models often disregard physical constraints in projection mapping, leading to generated content that misaligns with real 3D scenes. To address this, this work proposes ConPhyG, a framework that formalizes two complementary generation paradigms: a cooperative mode that guides the diffusion process using pixel-level physical priors—such as depth, edges, and color gamut—and an adversarial mode that employs bounded numerical optimization to achieve radiometric compensation across multiple projectors, with dynamic switching between modes to balance artistic freedom and physical plausibility. ConPhyG further introduces a sequential generation strategy to ensure 360-degree multi-view consistent, physics-aware image synthesis. Experiments on a real four-projector system demonstrate that ConPhyG significantly outperforms existing methods, achieving state-of-the-art performance in geometric alignment, color gamut utilization, and semantic fidelity.

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