Accès ouvert
2025
article
OpenAlex
Maria K. Jaakkola, M. Pineda, Rafael Díaz, Maria Rantala et autres
Segmentation is a routine step in PET image analysis, and few automatic tools have been developed for it. However, excluding supervised methods with their own limitations, they are typically designed for older, small images and the implementations are no longer publicly available. …
fi
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Ronja Ojala, Nicko Widjaja, Jaakko Hentilä, Anna Jalo et autres
Objectives Obesity impairs bone marrow (BM) glucose metabolism. Adult BM constitutes mostly of adipocytes that respond to changes in energy metabolism by modulating their morphology and number. Here we evaluated whether diet or exercise intervention could improve the high-fat diet (HFD) associated …
fi
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Anna Jalo, Jatta S. Helin, Jaakko Hentilä, Tuuli A. Nissinen et autres
Recent studies have shown that obesity and insulin resistance are associated with increased insulin-stimulated glucose uptake (GU) in the brain. Thus, insulin sensitivity seems to work differently in the brain compared to the peripheral tissues like skeletal muscles, but the underlying mechanisms …
fi
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
Maria K. Jaakkola, Maria Rantala, Anna Jalo, Teemu Saari et autres
Clustering time activity curves of PET images have been used to separate clinically relevant areas of the brain or tumours. However, PET image segmentation in multiorgan level is much less studied due to the available total-body data being limited to animal studies. …
fi
(code pays fourni par la source)
Accès ouvert
2023
preprint
OpenAlex
Maria K. Jaakkola, Maria Rantala, Anna Jalo, Teemu Saari et autres
A bstract Clustering time activity curves of PET images has been used to separate clinically relevant areas of the brain or tumours. However, PET image segmentation in multi-organ level is much less studied due to the available total-body data being limited to …
fi
(code pays fourni par la source)