Wang_Flash-Split_2D_Reflection_Removal_with_Flash_Cues_and_Latent_Diffusion@CVPR2025@CVF

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#1 Flash-Split: 2D Reflection Removal with Flash Cues and Latent Diffusion Separation [PDF1] [Copy] [Kimi1] [REL]

Authors: Tianfu Wang, Mingyang Xie, Haoming Cai, Sachin Shah, Christopher A. Metzler

Transparent surfaces, such as glass, create complex reflections that obscure images, posing challenges for various computer vision applications. We present Flash-Split, a robust, two-stage flash-based approach for separating transmitted and reflected light using a single pair of flash/no-flash images, even if they are misaligned. Stage 1 performs separation in latent space via a dual-branch diffusion model, reducing the need for alignment by encoding both transmission and reflection with cross-attention. Stage 2 enhances image sharpness through conditional decoding, blending separated low-frequency and original high-frequency information. Flash-Split achieves state-of-the-art results in single-view reflection separation, validated on synthetic and real-world data, and outperforms existing methods in challenging scenarios.

Subject: CVPR.2025 - Poster