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eess.SP2025
Robust and tractable multidimensional exponential analysis
H. N. Mhaskar, S. Kitimoon, Raghu G. Raj
Motivated by a number of applications in signal processing, we study the following question. Given samples of a multidimensional signal of the form $$ f(\boldsymbol\ell)=\sum_{k=1}…
eess.SP2025
Data-Driven Calibration Technique for Quantitative Radar Imaging
Zacharie Idriss, Raghu Raj
Quantitative inversion algorithms allow for the reconstruction of electrical properties (such as permittivity, and conductivity) for every point in a scene. However, they are chall…
eess.SP2024
Linear Inverse Problems Using a Generative Compound Gaussian Prior
Carter Lyons, Raghu G. Raj, Margaret Cheney
Since most inverse problems arising in scientific and engineering applications are ill-posed, prior information about the solution space is incorporated, typically through regulari…