this packet codes are about primal dual algorithms for image processing such as image denoising based on ROF model and TV-L1 and Huber ROF, image restoration like deconvolution, image zooming, image inpainting,optical flow for motion estimation and Mumford-Shah multi-label image segmentation problem. these codes are base on the following paper,"a first-order primal-dual algorithm for convex problems with application to imaging", and are organized corresponding to the structure of this paper, therefore these codes are what so-called sample codes of this paper, so they are really convenient to learn and to use. to use them, what you need to do is just to open a folder, and run the corresponding .m file, then you will collect the processing result. to understand these codes,you are recommended to read the paper first, in this case, you can get a better comprehension about these codes. and before you use them, you are also recommended first to read the instructions included in the zip packet,because in all the codes,the primal variables and dual variables are both vectorized which are different from the general situations. if you have any questions about these codes,don't hesitate to contact me via email: Pock, Thomas:pock@icg.tugraz.at Chen, Yunijn:cheny@icg.tugraz.at enjoy them,and good luck with you.
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关于变分法法则原理介绍 泛函的概念 泛函的极值 泛函的条件极值 微分方程定解问题和本征值问题的变分形式
2019-12-21 19:33:42 295KB 变分法
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图像处理与分析——变分,PDE,小波及随机方法 本书是图像处理领域一本令人激动的书籍.作者从变分法、偏微分方程、小波方法及随机方法的框架下对图像处理和分析进行了深入浅出的描述和分析。 本书首先介绍了对于现代图像分析和处理有重要意义的一般数学、物理和统计背景,包括曲线和曲面的微分几何、有界变差函数空间、统计力学的要素及其在图像分析中的含义、贝叶斯估计理论一般框架、滤波和扩散的紧理论以及小波理论的要素;同时讨论了图像建模和表示的方法,包括各种确定型的图像模型、随机的Gibbs图像模型以及自由边界分割模型.本书讨论四种最常见的图像处理任务如图像降噪、图像去模糊、图像修复或插值以及图像分割的建模和计算,这些实际的图像处理任务在统一的数学框架下能够得到完整的分析和深入的理解。
2019-12-21 18:58:58 41.66MB 陈文斌 程晋 科学出版社
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辛克维奇教授是有限元数值方法研究的先驱者之一,长期处于世界前沿,对现代数值计算中的有限元法作出了系统性和创造性的开拓和发展,在有限元法许多具方向性的重大进展上都作出了重要贡献。本书是有限元理论的世界名著,第一次出版于1967年,也是有限元理论的第一本专著。
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文件包含了3中模糊图像去噪的源代码和分析,是在前人的基础上总结的。直接运行即可。环境是matlab7.0 .是一门课的期末作业。
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变分模态分解函数,将一个信号分解成多个不同频段的信号,设置好参数即可将已有的信号分解。内置各参数的说明如1x1024,分解之后即得到5x1024的矩阵。每一行对应一个信号分量
2019-12-21 18:57:26 126KB 变分模态 MATLAB
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可以直接运行,亲测可用,大家可以多多下载,第一次上传学习资料!
2019-12-21 18:48:17 3KB VMD
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