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physics.data-an2023
Probabilistic Mixture Model-Based Spectral Unmixing
Oliver Hoidn, Aashwin Mishra, Apurva Mehta
Identifying pure components in mixtures is a common yet challenging problem. The associated unmixing process requires the pure components, also known as endmembers, to be sufficien…
physics.comp-ph2023
Physics Constrained Unsupervised Deep Learning for Rapid, High Resolution Scanning Coherent Diffraction Reconstruction
Oliver Hoidn, Aashwin Ananda Mishra, Apurva Mehta
By circumventing the resolution limitations of optics, coherent diffractive imaging (CDI) and ptychography are making their way into scientific fields ranging from X-ray imaging to…