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In trying to emulate the spatial position of wireless nodes for purpose of analysis, we rely on stochastic simulation. And, it is customary, for mobile systems, to consider a base-station radiation coverage by an ideal cell shape. For…

信息论 · 计算机科学 2013-06-06 Mouhamed Abdulla , Yousef R. Shayan

High precision polarization measurements open new opportunities for the study of the magnetic field structure as traced by polarimetric measurements of the interstellar dust emission. Polarization parameters suffer from bias in the presence…

星系天体物理 · 物理学 2017-03-15 D. Alina , L. Montier , I. Ristorcelli , J. -P. Bernard , F. Levrier , E. Abdikamalov

Time-based indoor positioning techniques rely on multiple access points (APs) and measurements between the user equipment (UE) and the APs. In dense indoor environments, occlusion-induced non-line-of-sight (NLoS) propagation introduces…

信号处理 · 电气工程与系统科学 2026-05-20 Neetu R. R , Shrihari Vasudevan , Ranjani H. G

We consider a situation where the distribution of a random variable is being estimated by the empirical distribution of noisy measurements of that variable. This is common practice in, for example, teacher value-added models and other…

计量经济学 · 经济学 2021-12-08 Koen Jochmans , Martin Weidner

It is a typical standard assumption in the density deconvolution problem that the characteristic function of the measurement error distribution is non-zero on the real line. While this condition is assumed in the majority of existing works…

统计理论 · 数学 2021-01-08 Alexander Goldenshluger , Taeho Kim

Non-line-of-sight (NLOS) imaging of objects not visible to either the camera or illumination source is a challenging task with vital applications including surveillance and robotics. Recent NLOS reconstruction advances have been achieved…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Sreenithy Chandran , Suren Jayasuriya

Regression models that ignore measurement error in predictors may produce highly biased estimates leading to erroneous inferences. It is well known that it is extremely difficult to take measurement error into account in Gaussian…

统计方法学 · 统计学 2023-02-03 Mohammad W. Hattab , David Ruppert

This paper reports the findings of an experimental study on the problem of line-of-sight (LOS)/non-line-of-sight (NLOS) classification in an indoor environment. Specifically, we deploy a pair of NI 2901 USRP software-defined radios (SDR) in…

信号处理 · 电气工程与系统科学 2023-08-01 Muhammad Asim , Muhammad Ozair Iqbal , Waqas Aman , Muhammad Mahboob Ur Rahman , Qammer H. Abbasi

Non-line-of-sight (NLOS) imaging with intelligent sensors emerges as a novel technique in imaging and sensing occluded objects around corners. With the innovation of bio-inspired neuromorphic sensors, the applications of novel sensors in…

光学 · 物理学 2024-11-15 Conghe Wang , Xia Wang , Yujie Fang , Changda Yan , Xin Zhang , Yifan Zuo

LiDARs are being increasingly deployed for consumer imaging in handheld, wearable, and robotic applications. These sensors can capture the time-of-flight of light at picosecond resolution, which in principle, enables them to capture…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Siddharth Somasundaram , Aaron Young , Akshat Dave , Adithya Pediredla , Ramesh Raskar

Non-line-of-sight (NLOS) imaging techniques use light that diffusely reflects off of visible surfaces (e.g., walls) to see around corners. One approach involves using pulsed lasers and ultrafast sensors to measure the travel time of…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Mariko Isogawa , Dorian Chan , Ye Yuan , Kris Kitani , Matthew O'Toole

We propose an inlier-based outlier detection method capable of both identifying the outliers and explaining why they are outliers, by identifying the outlier-specific features. Specifically, we employ an inlier-based outlier detection…

机器学习 · 统计学 2017-02-22 Makoto Yamada , Song Liu , Samuel Kaski

Non-line-of-sight (NLOS) imaging methods are capable of reconstructing complex scenes that are not visible to an observer using indirect illumination. However, they assume only third-bounce illumination, so they are currently limited to…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Diego Royo , Talha Sultan , Adolfo Muñoz , Khadijeh Masumnia-Bisheh , Eric Brandt , Diego Gutierrez , Andreas Velten , Julio Marco

Linear regression with normally distributed errors - including particular cases such as ANOVA, Student's t-test or location-scale inference - is a widely used statistical procedure. In this case the ordinary least squares estimator…

统计方法学 · 统计学 2019-09-18 Alain Desgagné

Achieving robust uncertainty quantification for deep neural networks represents an important requirement in many real-world applications of deep learning such as medical imaging where it is necessary to assess the reliability of a neural…

机器学习 · 计算机科学 2024-03-15 Tim Rensmeyer , Oliver Niggemann

We develop a unified Fisher-information framework for localization in environments with both Line-of-Sight (LOS) and Non-Line-of-Sight (NLOS) paths, focusing on diffraction-dominated NLOS propagation characteristic of Outdoor-to-Indoor…

信号处理 · 电气工程与系统科学 2026-04-02 Gaurav Duggal , R. Michael Buehrer , Harpreet S. Dhillon , Jeffrey H. Reed

Millimeter wave (mmWave) communications which essentially employ directional antennas find applications spanning from indoor short range wireless personal area networks to outdoor cellular networks. A thorough understanding of mmWave signal…

信息论 · 计算机科学 2018-04-10 Rakesh R. T. , Debarati Sen , Goutam Das

In a context of 3D mapping, it is very important to get accurate measurements from sensors. In particular, Light Detection And Ranging (LIDAR) measurements are typically treated as a zero-mean Gaussian distribution. We show that this…

机器人学 · 计算机科学 2019-08-29 Johann Laconte , Simon-Pierre Deschênes , Mathieu Labussière , François Pomerleau

With the rapid development of the Internet of Things (IoT), Indoor Positioning System (IPS) has attracted significant interest in academic research. Ultra-Wideband (UWB) is an emerging technology that can be employed for IPS as it offers…

信号处理 · 电气工程与系统科学 2021-08-24 Fuhu Che , Qasim Zeeshan Ahmed , Faheem A. Khan , Pavlos I. Lazaridis

Out-of-distribution (OOD) detection is critical for ensuring the reliability of deep learning systems, particularly in safety-critical applications. Likelihood-based deep generative models have historically faced criticism for their…