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First steps toward the generation of PET/MR attenuation map in the case of prostate cancer

Abstract : A new methodology providing the first step towards the generation of attenuation maps for PET/MR systems based solely on MR information is presented in this paper. From T1-and T2-weighted MR data set and anatomical-based knowledge, our method segments and classifies the attenuation-differing regions of the patient's pelvis using a robust implementation of the weighted fuzzy C-means algorithm. Providing no signal, particular process is performed for the bones. We have demonstrated the feasibility of this approach by correctly segmenting and classifying six attenuation-differing regions on images at the level of the pelvis: fat, muscle, prostate, air, background and bones.
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Submitted on : Tuesday, April 21, 2015 - 7:25:27 PM
Last modification on : Friday, August 5, 2022 - 2:54:00 PM
Long-term archiving on: : Wednesday, April 19, 2017 - 2:28:50 AM


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  • HAL Id : inserm-01144521, version 1


Jorge Zavala Bojorquez, Stéphanie Bricq, Paul M Walker, Alain Lalande. First steps toward the generation of PET/MR attenuation map in the case of prostate cancer. Journées RITS 2015, Mar 2015, Dourdan, France. p160-161. ⟨inserm-01144521⟩



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