Enhancing Medical Image Segmentation with Anatomy-aware Label Dependency
Bildverarbeitung für die Medizin 2023(2023)
摘要
Most Neural Networks for organ segmentation are trained to recognize the appearance of the organ, without considering the location of the organ in the body. However, a medical expert would include in their reasoning also the context around the organ. In this work, we propose reproducing this human behavior by enhancing the conventional multi-class segmentation pipeline with additional anatomical information. We apply this concept to a ventral organ segmentation model having a vertebrae label map as additional input, and to a vertebrae segmentation model enhanced by ventral organ information. In both cases, our proposed label dependency approach improved the performance of the baseline models: the dice score (DS) of the ventral organ segmentation improved by more than 3.5 % and the vertebrae identification rate by 1.8%.
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关键词
medical image segmentation,label,anatomy-aware
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