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Low-rank Matrix Sensing With Dithered One-Bit Quantization
Farhang Yeganegi, Arian Eamaz, Mojtaba Soltanalian · 2023-09-08 · via cs.IT updates on arXiv.org

We explore the impact of coarse quantization on low-rank matrix sensing in the extreme scenario of dithered one-bit sampling, where the high-resolution measurements are compared with random time-varying threshold levels. To recover the low-rank matrix of interest from the highly-quantized collected data, we offer an enhanced randomized Kaczmarz algorithm that efficiently solves the emerging highly-overdetermined feasibility problem. Additionally, we provide theoretical guarantees in terms of the convergence and sample size requirements. Our numerical results demonstrate the effectiveness of the proposed methodology.