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cs.CG2025
Near-Linear and Parameterized Approximations for Maximum Cliques in Disk Graphs
Jie Gao, Pawel Gawrychowski, Panos Giannopoulos +4
A \emph{disk graph} is the intersection graph of (closed) disks in the plane. We consider the classic problem of finding a maximum clique in a disk graph. For general disk graphs,…
cs.CV2025
Polar Separable Transform for Efficient Orthogonal Rotation-Invariant Image Representation
Satya P. Singh, Rashmi Chaudhry, Anand Srivastava +1
Orthogonal moment-based image representations are fundamental in computer vision, but classical methods suffer from high computational complexity and numerical instability at large…