ColorDiff-Image/index.html at master · servuskk/ColorDiff-Image · GitHub

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  <title>MULTIMODAL SEMANTIC-AWARE AUTOMATIC COLORIZATION WITH DIFFUSION PRIOR</title>
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            <h1 class="title is-1 publication-title">MULTIMODAL SEMANTIC-AWARE AUTOMATIC COLORIZATION WITH DIFFUSION PRIOR</h1>
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                <a> Han Wang</a>,</span>
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                  <a href="" target="_blank">Xinning Chai</a>,</span>
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                    <a href="" target="_blank">Yiwen Wang</a>,</span>
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                    <a href="" target="_blank">Yuhong Zhang</a>,</span>
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                      <a href="" target="_blank">Rong Xie</a>,</span>
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                        <a href="https://scholar.google.com/citations?hl=zh-CN&user=jKIoTVoAAAAJ" target="_blank">Li Song</a><sup>*</sup></span>
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                    <span class="author-block">Shanghai Jiao Tong University</span>
                    <span class="eql-cntrb"><small><br><sup>*</sup>Corresponding Author</small></span>
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            Colorizing grayscale images offers an engaging visual experience. Existing automatic colorization methods often fail to generate satisfactory results due to incorrect semantic colors and unsaturated colors. In this work, we propose an automatic colorization pipeline to overcome these challenges. We leverage the extraordinary generative ability of the diffusion prior to synthesize color with plausible semantics. To overcome the artifacts introduced by the diffusion prior, we apply the luminance conditional guidance. Moreover, we adopt multimodal high-level semantic priors to help the model understand the image content and deliver saturated colors. Besides, a luminance-aware decoder is designed to restore details and enhance overall visual quality. The proposed pipeline synthesizes saturated colors while maintaining plausible semantics. Experiments indicate that our proposed method considers both diversity and fidelity, surpassing previous methods in terms of perceptual realism and gain most human preference.
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      <pre><code>@misc{wang2024multimodal,
        title={Multimodal Semantic-Aware Automatic Colorization with Diffusion Prior},
        author={Han Wang and Xinning Chai and Yiwen Wang and Yuhong Zhang and Rong Xie and Li Song},
        year={2024},
        eprint={2404.16678},
        archivePrefix={arXiv},
        primaryClass={cs.CV}
  }</code></pre>
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