OALib Journal期刊
ISSN: 2333-9721
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一种基于拉普拉斯方程的图像彩色化方法
DOI: 10.11834/jig.20060490
Keywords: 黑白图像,彩色化,拉普拉斯方程
Abstract:
黑白图像的彩色化是图像处理领域一个活跃的、有挑战性的研究课题。在总结现有图像彩色化方法的基础上,分析了彩色化由局部向全局扩展的本质,进而提出了一种通过求解拉普拉斯方程实现颜色扩展的彩色化方法。为提高边界定位能力,设计了加权形式的差分方案。与同是采用偏微分方程的Saprio彩色化方法相比,该方法与其控制颜色扩展的机制不同,图像彩色化效果要明显优于Saprio方法。
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