构建粗到细凸的船体,配有辅助顶点,用于基于调色板的图像再彩色
IEEE transactions on visualization and computer graphics
|July 18, 2023
概括
这项研究引入了一种新方法,用于使用凸的像素颜色的图像再染色. 这种新的方法创造了一个更具包容性和紧性的凸船体,改善了调色板的色彩提取和重新调色的准确性.
科学领域:
- 计算机视觉 计算机视觉
- 图像处理 图像处理
- 计算几何学的计算几何学
背景情况:
- 图像重新染色依赖于提取代表性调色板颜色.
- 现有的凸船体方法用于调色板提取缺乏紧性,导致错误.
- 之前试图优化凸船体顶部的紧性仍然是不完美的.
研究的目的:
- 开发一种新的凸船体结构方案,以改进图像的重新颜色.
- 为了创建一个凸的船体,既包括图像像素,又紧.
- 为了提高提取的调色板颜色的代表性和准确性.
主要方法:
- 一个使用辅助顶点的粗细凸船体结构方案.
- 从图像像素开始构建一个紧的粗凸船体.
- 包括辅助顶点 (也包括图像像素),以确保像素覆盖,同时保持紧性.
主要成果:
- 拟议的方法产生凸的船体,既包容又紧.
- 在编辑过程中,辅助顶点会刚性地变形,简化了重新染色过程.
- 实验结果证明了新凸船体结构的有效性.
结论:
- 拟议的粗细凸船体方法显著改善了图像的重新颜色.
- 在凸起的船体中实现包容性和紧性对于准确的调色板提取至关重要.
- 该方法通过优化色调板表示提供了更有效的图像处理方法.
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