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math.OC2026
Regularized coordinate minimization for nonconvex composite optimization with application to quantized image compression
Daniela Lupu, George T. Samoila, Adina M. Florea +1
This paper presents a regularized cyclic coordinate minimization method for solving nonconvex composite optimization problems having the objective function formed as the sum of two…
cs.CV2026
Hyperspectral Unmixing Hierarchies
Joseph L. Garrett, P. S. Vishnu, Pauliina Salmi +4
Unmixing reveals the spatial distribution and spectral details of different constituents, called endmembers, in a hyperspectral image. Because unmixing has limited ground truth req…