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We investigate single-cell directional sensing from diffusing chemoattractant signals released by a localized source. We focus on the low-concentration regime in which receptor activity is discrete and cellular decisions are made on…

细胞行为 · 定量生物学 2026-03-12 Vincent Fiorino , Sean D. Lawley , Alan E. Lindsay

This paper addresses the challenges of optimally placing a finite number of sensors to detect Poisson-distributed targets in a bounded domain. We seek to rigorously account for uncertainty in the target arrival model throughout the problem.…

机器人学 · 计算机科学 2023-07-11 Mingyu Kim , Harun Yetkin , Daniel J. Stilwell , Jorge Jimenez , Saurav Shrestha , Nina Stark

Time course measurement of single molecules on a cell surface provides detailed information on the dynamics of the molecules, which is otherwise inaccessible. To extract the quantitative information, single particle tracking (SPT) is…

定量方法 · 定量生物学 2016-01-06 Shunsuke Teraguchi , Yutaro Kumagai

Many industrial and security applications employ a suite of sensors for detecting abrupt changes in temporal behavior patterns. These abrupt changes typically manifest locally, rendering only a small subset of sensors informative.…

机器学习 · 计算机科学 2023-06-14 Aditya Gopalan , Venkatesh Saligrama , Braghadeesh Lakshminarayanan

Tracking multiple targets in dynamic environments using distributed sensor networks is a fundamental problem in statistical signal processing. In such scenarios, the network of mobile sensors must coordinate their actions to accurately…

信号处理 · 电气工程与系统科学 2026-04-28 Aidan Blair , Amirali Khodadadian Gostar , Alireza Bab-Hadiashar , Xiaodong Li , Reza Hoseinnezhad

This paper presents a new robust data-driven predictive control scheme for unknown linear time-invariant systems by using input-state-output or input-output data based on whether the state is measurable. To remove the need for the…

系统与控制 · 电气工程与系统科学 2024-01-17 Kaijian Hu , Tao Liu

Most existing works in few-shot learning rely on meta-learning the network on a large base dataset which is typically from the same domain as the target dataset. We tackle the problem of cross-domain few-shot learning where there is a large…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Ashraful Islam , Chun-Fu Chen , Rameswar Panda , Leonid Karlinsky , Rogerio Feris , Richard J. Radke

This study provides a detailed analysis of current advancements in dynamic object tracking (DOT) and trajectory prediction (TP) methodologies, including their applications and challenges. It covers various approaches, such as feature-based,…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Zhongping Dong , Liming Chen , Mohand Tahar Kechadi

Dynamic spectrum access under channel uncertainties is considered. With the goal of maximizing the secondary user (SU) throughput subject to constraints on the primary user (PU) outage probability we formulate a joint problem of spectrum…

信息论 · 计算机科学 2014-01-24 Yasin Yilmaz , Ziyu Guo , Xiaodong Wang

Deep Neural Networks (DNNs) are increasingly used in control applications due to their powerful function approximation capabilities. However, many existing formulations focus primarily on tracking error convergence, often neglecting the…

系统与控制 · 电气工程与系统科学 2025-05-19 Rebecca G. Hart , Omkar Sudhir Patil , Zachary I. Bell , Warren E. Dixon

Multimodal information (e.g., visible and thermal) can generate robust pedestrian detections to facilitate around-the-clock computer vision applications, such as autonomous driving and video surveillance. However, it still remains a crucial…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Dayan Guan , Xing Luo , Yanpeng Cao , Jiangxin Yang , Yanlong Cao , George Vosselman , Michael Ying Yang

In conventional approaches for multiobject tracking (MOT), raw sensor data undergoes several preprocessing stages to reduce data rate and computational complexity. This typically includes coherent processing that aims at maximizing the…

信号处理 · 电气工程与系统科学 2025-03-04 Mingchao Liang , Florian Meyer

Physical limit of molecular sensing has been extensively studied in biological systems. Biosensors are engineered equivalents of molecular sensors in living systems and play critical role in disease diagnosis and management. Investigation…

生物物理 · 物理学 2021-08-10 Tuhin Chakrabortty , Manoj M Varma

Artificially engineered biosensors are highly inefficient in accurately measuring the concentration of biomarkers, particularly, during early diagnosis of diseases. On the other hand, single cellular systems such as chemotactic bacteria can…

生物物理 · 物理学 2019-07-12 Tuhin Chakrabortty , Manoj M Varma

In this paper, we consider abnormality detection via diffusive molecular communications (MCs) for a network consisting of several sensors and a fusion center (FC). If a sensor detects an abnormality, it injects into the medium a number of…

Closed-loop control of nonlinear dynamical systems with partial-state observability demands expert knowledge of a diverse, less standardized set of theoretical tools. Moreover, it requires a delicate integration of controller and estimator…

系统与控制 · 电气工程与系统科学 2024-04-04 Xiangyuan Zhang , Weichao Mao , Haoran Qiu , Tamer Başar

Light scattering detection in the near field, a rapidly expanding family of scattering techniques, has recently proved to be an appropriate procedure for performing dynamic measurements. Here we report an innovative algorithm, based on the…

The appearance of direct electron detectors marked a new era for electron diffraction. Their high sensitivity and low noise opens the possibility to extend electron diffraction from transmission electron microscopes (TEM) to lower energies…

应用物理 · 物理学 2025-02-18 Nikita Denisov , Andrey Orekhov , Johan Verbeeck

The main objective of this article is to develop scalable dynamic anomaly detectors when high-fidelity simulators of power systems are at our disposal. On the one hand, mathematical models of these high-fidelity simulators are typically…

最优化与控制 · 数学 2020-10-07 Kaikai Pan , Peter Palensky , Peyman Mohajerin Esfahani

The heightened sensitivity observed in non-Hermitian systems at exceptional points (EPs) has garnered significant attention. Typical EP sensor implementations rely on precise measurements of spectra and importantly, for real time sensing…

光学 · 物理学 2023-10-18 Parul Sharma , Brijesh Kumar , Nihar Ranjan Sahoo , Anshuman Kumar