Efficient Image Restoration via Latent Consistency Flow Matching


Elad Cohen (Sony Semiconductor Israel), Idan Achituve (Sony Semiconductor Israel), Idit Diamant (Sony Semiconductor Israel), Arnon Netzer (Sony Semiconductor Israel), Hai Victor Habi (Sony Semiconductor Israel)
The 35th British Machine Vision Conference
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Abstract

Recent advances in generative image restoration (IR) have demonstrated impressive results. However, these methods are hindered by their substantial size and computational demands, rendering them unsuitable for deployment on edge devices. This work introduces ELIR, an Efficient Latent Image Restoration method. ELIR addresses the distortion-perception trade-off within the latent space and produces high-quality images using a latent consistency flow-based model. In addition, ELIR introduces an efficient and lightweight architecture. Consequently, ELIR is 4x smaller and faster than state-of-the-art diffusion and flow-based approaches for blind face restoration, enabling a deployment on resource-constrained devices. Comprehensive evaluations of various image restoration tasks and datasets show that ELIR achieves competitive performance compared to state-of-the-art methods, effectively balancing distortion and perceptual quality metrics while significantly reducing model size and computational cost.

Citation

@inproceedings{Cohen_2025_BMVC,
author    = {Elad Cohen and Idan Achituve and Idit Diamant and Arnon Netzer and Hai Victor Habi},
title     = {Efficient Image Restoration via Latent Consistency Flow Matching},
booktitle = {36th British Machine Vision Conference 2025, {BMVC} 2025, Sheffield, UK, November 24-27, 2025},
publisher = {BMVA},
year      = {2025},
url       = {https://bmva-archive.org.uk/bmvc/2025/assets/papers/Paper_211/paper.pdf}
}


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