| 曲率驱动与边缘停止相结合的非纹理图像修复 |
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| 引用本文： | 祝轩,周明全,耿国华,王蕾.曲率驱动与边缘停止相结合的非纹理图像修复[J].计算机科学,2008,35(12):212-213. |
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| 作者姓名： | 祝轩 周明全 耿国华 王蕾 |
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| 作者单位： | 1. 西北大学信息科学与技术学院,西安,710127
2. 西北大学信息科学与技术学院,西安,710127;北京师范大学信息科学与技术学院,北京,100875 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 根据等照度线曲率在图像表征中的重要意义,将曲率作为一个控制传导率的因素引入非线性扩散方程,提出将曲率驱动与边缘停止相结合的非线性扩散模型(C&E)应用于图像修复.该模型在实现热扩散的同时强调了保护小曲率和大梯度的重要性,具有能够连接等照度线和强化边缘的作用.针对这一模型进一步讨论了其函数构造方法及其半点显示数值实现方案.实验结果表明C&E模型较经典的Curvature-Driven Diffusions方程在短时间内能更好地修复非纹理图像.
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| 关 键 词： | 曲率驱动 边缘停止 非线性扩散 图像修补 |
Non-texture Inpainting by Combination of the Curvature-driven and Edge-stopping Nonlinear Diffusion |
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| ZHU Xuan,ZHOU Ming-quan,GENG Guo-hua,WANG Lei.Non-texture Inpainting by Combination of the Curvature-driven and Edge-stopping Nonlinear Diffusion[J].Computer Science,2008,35(12):212-213. |
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| Authors: | ZHU Xuan ZHOU Ming-quan GENG Guo-hua WANG Lei |
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| Affiliation: | ZHU Xuan1 ZHOU Ming-quan1,2 GENG Guo-hua1 WANG Lei1(School of Information Science , Technology,Northwest University,Xi'an 710127,China)1(College of Information Science , Technology,Beijing Normal University,Beijing 100875,China)2 |
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| Abstract: | Considering importance of isophote curvatures for image representation,introduced curvature as a new control factor into the nonlinear diffusion equation to build a novel diffusion model,which combined curvature-driven with edge-stopping (C&E model).The C&E model realizes thermal diffusion,at the same time,the protection of little curvature and big gradient was emphasized.This model has two effects of connecting broken level sets and strengthening edge.The constructs of the curvature function and the edge f... |
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| Keywords: | Curvature-driven Edge-stopping Nonlinear diffusion Image inpainting |
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