Article on analysis of list-mode SPECT emission data accepted

Delighted to share that our article on analyzing the information content in SPECT emission data on the task of jointly estimating activity and attenuation distribution was accepted to Inverse Problems. Link to the article is here. Arxiv link here.

This work shows that scatter-window photons in SPECT, that are typically discarded, when acquired in list-mode format, contain information to estimate the attenuation map. Note that typically the attenuation map is obtained from CT scans, leading to additional radiation dose and costs. Thus, the ability to estimate attenuation map directly from the SPECT data can be very helpful. This work was supported by the NIBIB Trailblazer Award and NVIDIA GPU grants awarded to our lab.

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