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Comprehensive evaluation on various color editing examples demonstrates that our approach outperforms existing state-of-the-art color editing algorithms. After color selection, image matting is performed to ensure smoothness of the object boundary. We also provide an intuitive user interface for efficient color manipulation.
#Extract color palette from image online Offline#
Our data-driven approach consists of an offline learning part that learns the color distributions for different objects in the real world, and an online recoloring part that first recognizes the object category, and then recommends appropriate realistic candidate colors learned in the offline step for that category. To address this issue, we introduce a palette-based approach for realistic object-level image recoloring. Unlike artists who have an accurate grasp of color, ordinary users are inexperienced in color selection and matching, and allowing non-professional users to edit colors arbitrarily may lead to unrealistic editing results. Extensive experiments show that the proposed method generates far better textile recoloring results compared to existing approaches.Įxisting color editing algorithms enable users to edit the colors in an image according to their own aesthetics. A user study is performed to test the GUI indicators and the naturalness of the recoloring results.
#Extract color palette from image online how to#
In addition, we show how to generate images recolored both correctly and naturally through interactive alpha-matting, instead of aiming only at efficiency in recoloring, which sometimes results in unnatural images.
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Our method can process textile images composed of only two color elements while existing methods struggle. Our proposed method can overcome the limitations of too few textile colors. The conventional method using convex-hull assumes that an image is composed of at least four color elements. Polarization image analysis also contributes to highly accurate region segmentation of warp and weft yarns. By polarization image analysis, the proposed method can easily catch the specular reflection of yarns. In this paper, a novel method for recoloring a textile image with polarization observation is proposed.