图 书 馆
图像扩散滤波的局部解析格式Locally Analytic Schemes for Diffusion Filtering of Images |
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| 课程网址: | http://videolectures.net/acs07_welk_las/ |
| 主讲教师: | Martin Welk |
| 开课单位: | 萨尔兰大学 |
| 开课时间: | 2007-12-17 |
| 课程语种: | 英语 |
| 中文简介: |  |
| 课程简介: | Nonlinear diffusion filtering has proven its value as a versatile tool for structure-preserving image denoising. Among the most interesting methods of this class are tensor-driven anisotropic diffusion as well as singular isotropic diffusion filters like total variation flow. For different reasons, devising good numerical algorithms for these filters is challenging. A spatial discretisation transforms nonlinear diffusion partial differential equations into systems of ordinary differential equations. Their investigation yields insights into the properties of diffusion-based algorithms but leads also to the design of new algorithms with favourable stability properties which are at the same time simple to implement. Moreover, interesting links to wavelet-based denoising methods are established in this way. The talk focusses on the construction and properties of locally (semi-)analytic schemes for nonlinear isotropic and anisotropic diffusion on 2D images, with extensions to the 3D case. |
| 关 键 词: | 图像扩散滤波; 局部解析 |
| 课程来源: | 视频讲座网 |
| 最后编审: | 2020-06-07：王勇彬(课程编辑志愿者) |
| 阅读次数: | 77 |