The Fractional Fourier Transform on Graphs: Sampling and Recovery

@article{Wang2018TheFF,
  title={The Fractional Fourier Transform on Graphs: Sampling and Recovery},
  author={Yiqian Wang and Bingzhao Li},
  journal={2018 14th IEEE International Conference on Signal Processing (ICSP)},
  year={2018},
  pages={1103-1108}
}
Signal processing on graphs expands discrete signal processing theory and techniques to signals supported on graphs. In this paper, we study the sampling and recovery of graph signals under the graph fractional Fourier transform. We show that a-bandlimited signals in the graph fractional Fourier domain can be perfectly recovered. Experimentally designed sampling strategy is used to generate optimal fractional sampling operators on graphs. We give numerical examples, and test the semi-supervised… CONTINUE READING

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