Michael K. Ng

activity

20242026

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cs.IT2026

Robust Instance Optimal Phase-Only Compressed Sensing

Junren Chen, Michael K. Ng, Jonathan Scarlett

Phase-only compressed sensing (PO-CS) concerns the recovery of sparse signals from the phases of complex measurements. Recent results show that sparse signals in the standard spher…

cs.IT2024

Solving Quadratic Systems with Full-Rank Matrices Using Sparse or Generative Priors

Junren Chen, Michael K. Ng, Zhaoqiang Liu

The problem of recovering a signal $x \in R^{n}$ from a quadratic system ${y_{i} = x^{⊤} A_{i} x, i = 1, \dots, m}$ with full-rank ma…