发明申请
US20130202080A1 System and Method for Denoising Medical Images Adaptive to Local Noise
有权
用于去噪局部噪声的医学图像的系统和方法
- 专利标题： System and Method for Denoising Medical Images Adaptive to Local Noise
- 专利标题（中）： 用于去噪局部噪声的医学图像的系统和方法
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申请号： US13762141申请日： 2013-02-07
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公开(公告)号： US20130202080A1公开(公告)日： 2013-08-08
- 发明人: Lifeng Yu , Armando Manduca , Zhoubo Li , Joel G. Fletcher , Cynthia H. McCollough
- 申请人： Lifeng Yu , Armando Manduca , Zhoubo Li , Joel G. Fletcher , Cynthia H. McCollough
- 主分类号： A61B6/00
- IPC分类号： A61B6/00 ; A61B6/03
摘要：
A system and method is provided for estimating the local noise of CT images and denoising the images using a modified non-local means (NLM) algorithm that is adaptive to local variations of noise levels. A strategy for efficiently estimating the local noise of CT images is also described.