| An anisotopic detection method of dim-small infrared targets | |
| Qiang Zhang; Jingju Cai and Qiheng Zhang Qiheng Zhang | |
| Volume | 8003 |
| Pages | 80030M |
| 2011 | |
| Language | 英语 |
| Indexed By | Ei |
| Subtype | 会议论文 |
| Abstract | In order to reduce the bad influence of undulate background in dim infrared targets detection, a new filtering method based on anisotropy is presented. Anisotropic partial differential equations have strong ability to remain direction characteristics, and it can perfectly restrain stable background and preserve undulate background. But we need simultaneously to restrain stable and undulate background, so a few improvements are done in the following. Firstly, we improve the edge stopping function of anisotropic differential, which make it increase following the value of direction grads. Secondly, we choose the two least direction values of edge stopping function as parameter values based on the direction characteristics of grads operator. For that, we are able to simultaneously restrain stable and undulate background, and deal with different characteristic regions respectively. The simulation experiments prove the effectiveness of the proposed algorithm, which detection ability is much better than isotropic filtering methods especially for applying in infrared images with complex background.; In order to reduce the bad influence of undulate background in dim infrared targets detection, a new filtering method based on anisotropy is presented. Anisotropic partial differential equations have strong ability to remain direction characteristics, and it can perfectly restrain stable background and preserve undulate background. But we need simultaneously to restrain stable and undulate background, so a few improvements are done in the following. Firstly, we improve the edge stopping function of anisotropic differential, which make it increase following the value of direction grads. Secondly, we choose the two least direction values of edge stopping function as parameter values based on the direction characteristics of grads operator. For that, we are able to simultaneously restrain stable and undulate background, and deal with different characteristic regions respectively. The simulation experiments prove the effectiveness of the proposed algorithm, which detection ability is much better than isotropic filtering methods especially for applying in infrared images with complex background. |
| Conference Name | Proc. of SPIE |
| Conference Date | 2011 |
| Document Type | 会议论文 |
| Identifier | http://ir.ioe.ac.cn/handle/181551/7685 |
| Collection | 光电探测与信号处理研究室（五室） |
| Corresponding Author | Qiang Zhang |
| Affiliation | 中国科学院光电技术研究所 |
| Recommended Citation GB/T 7714 | Qiang Zhang,Jingju Cai and Qiheng Zhang Qiheng Zhang. An anisotopic detection method of dim-small infrared targets[C],2011:80030M. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 2011-05-001.pdf（590KB） | 会议论文 | 开放获取 | CC BY-NC-SA | Application Full Text | ||
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