Focusing on Persons

Image colorization predicts plausible color versions of given grayscale images. Recently, several methods incorporate image semantics to assist image colorization and have shown impressive performance. To further exploit and take full advantage of more semantic information, in this paper, we propose a Multi-Level Semantic guided Generative Adversarial Network (MLS-GAN) for image colorization. Specifically, we utilize three different levels of semantics to guide the colorization process: image level, segmentation level and contextual level. Image-level classification semantics is used to learn category and high-level semantics, ensuring the reasonability of color results. At the segmentation level, multi-scale saliency map semantics is extracted to provide figure-background separation information, which can efficiently alleviate semantic confusion, especially for images with complex backgrounds. Furthermore, we novelly use non-local blocks to capture long-range semantic dependencies at the contextual level. Experiments show that our method enhances color consistency and can produce more vivid color in visually important regions, outperforming stateof-the-art methods qualitatively and quantitatively.

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Focusing on Persons

Cited by 13 publications

References 39 publications

PCCNet: A Few-Shot Patch-Wise Contrastive Colorization Network

PCCNet: A Few-Shot Patch-Wise Contrastive Colorization Network

Real-time self-supervised achromatic face colorization

MLS-GAN: Multi-Level Semantic Guided Image Colorization

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