Unsupervised Sparse-view Backprojection via Convolutional and Spatial Transformer Networks

1 Jun 2020Xueqing LiuPaul Sajda

Many imaging technologies rely on tomographic reconstruction, which requires solving a multidimensional inverse problem given a finite number of projections. Backprojection is a popular class of algorithm for tomographic reconstruction, however it typically results in poor image reconstructions when the projection angles are sparse and/or if the sensors characteristics are not uniform... (read more)

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