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相关论文: Neuromorphic Sampling of Signals in Shift-Invarian…

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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 the signal amplitude. Neuromorphic sampling has paved the way…

信号处理 · 电气工程与系统科学 2023-10-25 Abijith Jagannath Kamath , Chandra Sekhar Seelamantula

Unlike traditional cameras which synchronously register pixel intensity, neuromorphic sensors only register `changes' at pixels where a change is occurring asynchronously. This enables neuromorphic sensors to sample at a micro-second level…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Harbir Antil , Daniel Blauvelt , David Sayre

Neuromorphic imaging is an emerging technique that imitates the human retina to sense variations in dynamic scenes. It responds to pixel-level brightness changes by asynchronous streaming events and boasts microsecond temporal precision…

图像与视频处理 · 电气工程与系统科学 2024-10-23 Pei Zhang , Shuo Zhu , Chutian Wang , Yaping Zhao , Edmund Y. Lam

Neuromorphic sensors, also known as event cameras, are a class of imaging devices mimicking the function of biological visual systems. Unlike traditional frame-based cameras, which capture fixed images at discrete intervals, neuromorphic…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Federico Becattini , Lorenzo Berlincioni , Luca Cultrera , Alberto Del Bimbo

Neuromorphic, or event, cameras represent a transformation in the classical approach to visual sensing encodes detected instantaneous per-pixel illumination changes into an asynchronous stream of event packets. Their novelty compared to…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Claudio Cimarelli , Jose Andres Millan-Romera , Holger Voos , Jose Luis Sanchez-Lopez

Bio-inspired neuromorphic cameras asynchronously record pixel brightness changes and generate sparse event streams. They can capture dynamic scenes with little motion blur and more details in extreme illumination conditions. Due to the…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Pei Zhang , Chutian Wang , Edmund Y. Lam

Sampling in shift-invariant spaces is a realistic model for signals with smooth spectrum. In this paper, we consider phaseless sampling and reconstruction of real-valued signals in a shift-invariant space from their magnitude measurements…

信息论 · 计算机科学 2017-02-22 Cheng Cheng , Junzheng Jiang , Qiyu Sun

Spatial sampling is traditionally studied in a static setting where static sensors scattered around space take measurements of the spatial field at their locations. In this paper we study the emerging paradigm of sampling and reconstructing…

多媒体 · 计算机科学 2015-06-12 Jayakrishnan Unnikrishnan , Martin Vetterli

Neuromorphic imaging reacts to per-pixel brightness changes of a dynamic scene with high temporal precision and responds with asynchronous streaming events as a result. It also often supports a simultaneous output of an intensity image.…

图像与视频处理 · 电气工程与系统科学 2024-03-25 Pei Zhang , Haosen Liu , Zhou Ge , Chutian Wang , Edmund Y. Lam

This paper investigates signal prediction through the perfect reconstruction of signals from shift-invariant spaces using nonuniform samples of both the signal and its derivatives. The key advantage of derivative sampling is its ability to…

信息论 · 计算机科学 2025-12-29 Sreya T , Riya Ghosh , A. Antony Selvan

Bio-inspired neuromorphic cameras sense illumination changes on a per-pixel basis and generate spatiotemporal streaming events within microseconds in response, offering visual information with high temporal resolution over a high dynamic…

信号处理 · 电气工程与系统科学 2024-03-22 Pei Zhang , Shuo Zhu , Edmund Y. Lam

Event-based sensors are well suited for real-time processing due to their fast response times and encoding of the sensory data as successive temporal differences. These and other valuable properties, such as a high dynamic range, are…

机器学习 · 计算机科学 2024-10-10 Mark Schöne , Neeraj Mohan Sushma , Jingyue Zhuge , Christian Mayr , Anand Subramoney , David Kappel

Neuromorphic computing is an emerging computing paradigm that moves away from batched processing towards the online, event-driven, processing of streaming data. Neuromorphic chips, when coupled with spike-based sensors, can inherently adapt…

信息论 · 计算机科学 2023-01-10 Jiechen Chen , Nicolas Skatchkovsky , Osvaldo Simeone

Neuromorphic computing, inspired by biological neural systems, has emerged as a promising approach for ultra-energy-efficient data processing by leveraging analog neuron structures and spike-based computation. However, its application in…

信号处理 · 电气工程与系统科学 2025-05-29 George N. Katsaros , Konstantinos Nikitopoulos

Phase retrieval arises in various fields of science and engineering and it is well studied in a finite-dimensional setting. In this paper, we consider an infinite-dimensional phase retrieval problem to reconstruct real-valued signals living…

信息论 · 计算机科学 2016-03-07 Yang Chen , Cheng Cheng , Qiyu Sun , Haichao Wang

We investigate the dynamical sampling space-time trade-off problem within a graph setting. Specifically, we derive necessary and sufficient conditions for space-time sampling that enable the reconstruction of an initial band-limited signal…

信息论 · 计算机科学 2024-11-20 Akram Aldroubi , Victor Bailey , Ilya Krishtal , Brendan Miller , Armenak Petrosyan

The growing need for intelligent, adaptive, and energy-efficient autonomous systems across fields such as robotics, mobile agents (e.g., UAVs), and self-driving vehicles is driving interest in neuromorphic computing. By drawing inspiration…

机器学习 · 计算机科学 2025-07-25 Alberto Marchisio , Muhammad Shafique

Event or Neuromorphic cameras are novel biologically inspired sensors that record data based on the change in light intensity at each pixel asynchronously. They have a temporal resolution of microseconds. This is useful for scenes with fast…

最优化与控制 · 数学 2023-08-16 Harbir Antil , David Sayre

In this work, we investigate the sampling and reconstruction of spectrally $s$-sparse bandlimited graph signals governed by heat diffusion processes. We propose a random space-time sampling regime, referred to as {randomized} dynamical…

数值分析 · 数学 2024-10-24 Longxiu Huang , Dongyang Li , Sui Tang , Qing Yao

Event cameras, with their high dynamic range and temporal resolution, are ideally suited for object detection, especially under scenarios with motion blur and challenging lighting conditions. However, while most existing approaches…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Ziming Wang , Ziling Wang , Huaning Li , Lang Qin , Runhao Jiang , De Ma , Huajin Tang
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