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eess.SP2019
Fast Graph Fourier Transforms Based on Graph Symmetry and Bipartition
Keng-Shih Lu, Antonio Ortega
The graph Fourier transform (GFT) is an important tool for graph signal processing, with applications ranging from graph-based image processing to spectral clustering. However, unl…
eess.SP2017★ 5 cited
Closed Form Solutions of Combinatorial Graph Laplacian Estimation under Acyclic Topology Constraints
Keng-Shih Lu, Antonio Ortega
How to obtain a graph from data samples is an important problem in graph signal processing. One way to formulate this graph learning problem is based on Gaussian maximum likelihood…