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Nov, 2015
图上带限信号的随机采样
Random sampling of bandlimited signals on graphs
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Gilles Puy, Nicolas Tremblay, Rémi Gribonval, Pierre Vandergheynst
TL;DR
本文研究了在图上采样k-带限信号的问题,提出了两种采样策略,分别为非自适应的采样策略和自适应采样策略,并提出了一种计算效率高的解码器来重构带限信号。我们证明了该采样策略的精确重构以及噪声稳定性,并通过多次实验验证了该技术的有效性。
Abstract
We study the problem of
sampling
k-
bandlimited signals
on graphs. We propose two
sampling
strategies that consist in selecting a small sub
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