UMedNeRF: Uncertainty-aware Single View Volumetric Rendering for Medical Neural Radiance Fields
CoRR(2023)
摘要
In the field of clinical medicine, computed tomography (CT) is an effective
medical imaging modality for the diagnosis of various pathologies. Compared
with X-ray images, CT images can provide more information, including
multi-planar slices and three-dimensional structures for clinical diagnosis.
However, CT imaging requires patients to be exposed to large doses of ionizing
radiation for a long time, which may cause irreversible physical harm. In this
paper, we propose an Uncertainty-aware MedNeRF (UMedNeRF) network based on
generated radiation fields. The network can learn a continuous representation
of CT projections from 2D X-ray images by obtaining the internal structure and
depth information and using adaptive loss weights to ensure the quality of the
generated images. Our model is trained on publicly available knee and chest
datasets, and we show the results of CT projection rendering with a single
X-ray and compare our method with other methods based on generated radiation
fields.
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关键词
medical neural
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