Our article on an estimation-based approach to segmenting PET images has been published in the Special issue on Early Career Researchers in Physics and Medicine and Biology! This article approaches a new approach to segmentation that accounts for the partial-volume effects, including the tissue-fraction effects in PET.
Link to article here: https://iopscience.iop.org/article/10.1088/1361-6560/ac01f4/meta
A press release on this article is here: https://engineering.wustl.edu/news/2021/Statistical-theory-deep-learning-lead-to-novel-approach-to-differentiate-tumors.html