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Abstract #3665

Complex semi-quantitative noise analysis for single set of MR images

Yongquan Ye1, Jingyuan Lv1, Yichen Hu1, Zhongqi Zhang2, Jian Xu1, and Weiguo Zhang1
1UIH America, Inc., Houston, TX, United States, 2United Imaging Healthcare, Shanghai, China

We propose a noise analysis method based on complex MRI signals. By actively inducing concomitant fluctuation into a single complex MR image, an abrupt change in a predefined signal function (e.g. signal ratio) is observed when signal intensity becomes stronger than background noise. The method is very sensitive to the existence of weak signal such as tissue-background boundaries or very low signal tissues, and can be used to semi-quantitatively distinghuish regions of signal and noise.

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