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eess.IV2022
Physics-Inspired Unsupervised Classification for Region of Interest in X-Ray Ptychography
Dergan Lin, Yi Jiang, Junjing Deng +1
X-ray ptychography allows for large fields to be imaged at high resolution at the cost of additional computational expense due to the large volume of data. Given limited informatio…
eess.IV2019★ 44 cited
Bilevel Optimization, Deep Learning and Fractional Laplacian Regularization with Applications in Tomography
Harbir Antil, Zichao Di, Ratna Khatri
In this work we consider a generalized bilevel optimization framework for solving inverse problems. We introduce fractional Laplacian as a regularizer to improve the reconstruction…