Lifeng Yu,Armando Manduca,Zhoubo Li,Joel G. Fletcher,Cynthia H. McCollough
申请号：
US13762141
公开号：
US09036771B2
申请日:
2013.02.07
申请国别(地区):
US
年份:
2015
代理人:
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.
