Modulo sampling of FRI signals

S Mulleti, YC Eldar - IEEE Access, 2024 - ieeexplore.ieee.org
An analog-to-digital converter (ADC)'s dynamic range is critical during sampling analog
signals. A modulo operation prior to sampling can be used to enhance the effective dynamic …

Power-Efficient Sampling

S Mulleti, T Zirtiloglu, A Tan, RT Yazicigil… - arXiv preprint arXiv …, 2023 - arxiv.org
Analog-to-digital converters (ADCs) facilitate the conversion of analog signals into a digital
format. While the specific designs and settings of ADCs can vary depending on their …

Baseline Drift Tolerant Signal Encoding for ECG Classification with Deep Learning

R O'Shea, P Katti, B Rajendran - 2024 46th Annual …, 2024 - ieeexplore.ieee.org
Common artefacts such as baseline drift, rescaling, and noise critically limit the performance
of machine learning-based automated ECG analysis and interpretation. This study proposes …

A Generalized Approach for Recovering Time Encoded Signals with Finite Rate of Innovation

D Florescu - arXiv preprint arXiv:2309.10223, 2023 - arxiv.org
In this paper, we consider the problem of recovering a sum of filtered Diracs, representing an
input with finite rate of innovation (FRI), from its corresponding time encoding machine …

Hardware prototype of a time-encoding sub-Nyquist ADC

H Naaman, N Glazer, M Namer, D Bilik… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Analog-to-digital converters (ADCs) are key components of digital signal processing.
Classical samplers in this framework are controlled by a global clock. At high sampling rates …

Sparse asynchronous samples from networks of tems for reconstruction of classes of non-bandlimited signals

M Hilton, PL Dragotti - ICASSP 2023-2023 IEEE International …, 2023 - ieeexplore.ieee.org
We present a signal driven multi-channel time encoding system for sampling signals with
finite rate of innovation (FRI). The system produces samples in the form of finite differences …

Neuromorphic sampling of signals in shift-invariant spaces

AJ Kamath, CS Seelamantula - arXiv preprint arXiv:2306.05103, 2023 - arxiv.org
Neuromorphic sampling is a paradigm shift in analog-to-digital conversion where the
acquisition strategy is opportunistic and measurements are recorded only when there is a …

Bandlimited signal reconstruction from leaky integrate-and-fire encoding using POCS

NT Thao, D Rzepka, M Miśkowicz - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Leaky integrate-and-fire (LIF) encoding is a model of neuron transfer function in biology that
has recently attracted the attention of the signal processing and neuromorphic computing …

Time encoding sampling of bandpass signals

Z Liu, X Feng, S Chen - 2023 31st European Signal Processing …, 2023 - ieeexplore.ieee.org
This paper investigates the problem of sampling and reconstructing bandpass signals using
two-channel time encoding machine (TEM). It is shown that the sampling in principle is …

Neuromorphic Sampling of Sparse Signals

AJ Kamath, CS Seelamantula - arXiv preprint arXiv:2310.15750, 2023 - arxiv.org
Neuromorphic sampling is a bioinspired and opportunistic analog-to-digital conversion
technique, where the measurements are recorded only when there is a significant change in …