Published on:
20 July 2022
Primary Category:
Computer Vision and Pattern Recognition
Paper Authors:
Geonung Kim,
Kyoungkook Kang,
Seongtae Kim,
Hwayoon Lee,
Sehoon Kim,
Jonghyun Kim,
Seung-Hwan Baek,
Sunghyun Cho
Proposes BigColor, a new automatic colorization method using a learned generative color prior
Uses an encoder-generator network to focus the model on color synthesis given spatial structure
Enlarges representation space compared to GAN inversion approaches for complex real images
Achieves state-of-the-art performance and robustness, especially for in-the-wild images
Supports multi-modal colorization and arbitrary input resolutions
Demystifying Real-World Image Colorization with AI
This paper proposes BigColor, a novel method to automatically colorize grayscale images, even complex real-world ones, with vivid and natural colors. It uses a deep neural network with an encoder-generator architecture to learn a generative color prior focused on color synthesis. This allows it to handle diverse in-the-wild images beyond the limited representation space of previous GAN inversion approaches. Experiments demonstrate BigColor significantly outperforms state-of-the-art methods.
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