Browsing by Author "Shin, Hyun Joon"

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    Succinct Palette and Color Model Generation and Manipulation Using Hierarchical Representation
    (The Eurographics Association and John Wiley & Sons Ltd., 2019) Jeong, Taehong; Yang, Myunghyun; Shin, Hyun Joon; Lee, Jehee and Theobalt, Christian and Wetzstein, Gordon
    We propose a new method to obtain the representative colors and their distributions of an image. Our intuition is that it is possible to derive the global model from the local distributions. Beginning by sampling pure colors, we build a hierarchical representation of colors in the image via a bottom-up approach. From the resulting hierarchy, we can obtain satisfactory palettes/color models automatically without a predefined size. Furthermore, we provide interactive operations to manipulate the results which allow the users to reflect their intention directly. In our experiment, we show that the proposed method produces more succinct results that faithfully represent all the colors in the image with an appropriate number of components. We also show that the proposed interactive approach can improve the results of applications such as recoloring and soft segmentation.