richzhang/colorization
Automatic colorization using deep neural networks. "Colorful Image Colorization." In ECCV, 2016.
Uses a CNN trained on Lab color space to predict chrominance from grayscale luminance, with PyTorch inference optimized for minimal dependencies. Includes both fully automatic colorization and an interactive variant enabling user-guided hints via the SIGGRAPH 2017 model. Provides pretrained weights and preprocessing/postprocessing pipelines (Lab conversion, 256×256 resizing, full-resolution reconstruction) for straightforward integration into Python workflows.
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Python
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Nov 27, 2023
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