Comput. Biol. Med. - A review on segmentation of positron emission tomography images.

Tópicos

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Resumo

Positron Emission Tomography (PET), a non-invasive functional imaging method at the molecular level, images the distribution of biologically targeted radiotracers with high sensitivity. PET imaging provides detailed quantitative information about many diseases and is often used to evaluate inflammation, infection, and cancer by detecting emitted photons from a radiotracer localized to abnormal cells. In order to differentiate abnormal tissue from surrounding areas in PET images, image segmentation methods play a vital role; therefore, accurate image segmentation is often necessary for proper disease detection, diagnosis, treatment planning, and follow-ups. In this review paper, we present state-of-the-art PET image segmentation methods, as well as the recent advances in image segmentation techniques. In order to make this manuscript self-contained, we also briefly explain the fundamentals of PET imaging, the challenges of diagnostic PET image analysis, and the effects of these challenges on the segmentation results.

Resumo Limpo

positron emiss tomographi pet noninvas function imag method molecular level imag distribut biolog target radiotrac high sensit pet imag provid detail quantit inform mani diseas often use evalu inflamm infect cancer detect emit photon radiotrac local abnorm cell order differenti abnorm tissu surround area pet imag imag segment method play vital role therefor accur imag segment often necessari proper diseas detect diagnosi treatment plan followup review paper present stateoftheart pet imag segment method well recent advanc imag segment techniqu order make manuscript selfcontain also briefli explain fundament pet imag challeng diagnost pet imag analysi effect challeng segment result

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