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A pre-trained unconditional diffusion model, combined with posterior sampling or maximum a posteriori (MAP) estimation techniques, can solve arbitrary inverse problems without task-specific training or fine-tuning. However, existing…

机器学习 · 计算机科学 2026-02-09 Sai Bharath Chandra Gutha , Ricardo Vinuesa , Hossein Azizpour

Accurate parameter estimation such as angle of arrival (AOA) is essential to enhance the performance of integrated sensing and communication (ISAC) in mmWave multiple-input multiple-output (MIMO) systems. This work presents a sensing-aided…

信息论 · 计算机科学 2025-03-05 Ngoc-Son Duong , Khac-Hoang Ngo , Thai-Mai Dinh , Van-Linh Nguyen

This paper presents a contact-implicit model predictive control (MPC) framework for the real-time discovery of multi-contact motions, without predefined contact mode sequences or foothold positions. This approach utilizes the…

机器人学 · 计算机科学 2024-10-03 Gijeong Kim , Dongyun Kang , Joon-Ha Kim , Seungwoo Hong , Hae-Won Park

Accurate 3D scene motion perception significantly enhances the safety and reliability of an autonomous driving system. Benefiting from its all-weather operational capability and unique perceptual properties, 4D mmWave radar has emerged as…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Ruiqi Cheng , Huijun Di , Jian Li , Feng Liu , Wei Liang

Recent advancements in Ultra-Wideband (UWB) radar technology have enabled contactless, non-line-of-sight vital sign monitoring, making it a valuable tool for healthcare. However, UWB radar's ability to capture sensitive physiological data,…

人机交互 · 计算机科学 2025-05-19 Md Farhan Tasnim Oshim , Nigel Doering , Bashima Islam , Tsui-Wei Weng , Tauhidur Rahman

Monitoring of cardiovascular activity is highly desired and can enable novel applications in diagnosing potential cardiovascular diseases and maintaining an individual's well-being. Currently, such vital signs are measured using intrusive…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Mayank Gupta , Lingjun Chen , Denny Yu , Vaneet Aggarwal

This paper aims at presenting the basic functionality of a radar platform for real-time monitoring of displacement and vibration. The real time capabilities make the radar platform useful when live monitoring of targets is required. The…

信号处理 · 电气工程与系统科学 2018-11-15 Mihai Tudose , Andrei Anghel , Remus Cacoveanu , Mihai Datcu

This paper introduces a Multi-modal Diffusion model for Motion Prediction (MDMP) that integrates and synchronizes skeletal data and textual descriptions of actions to generate refined long-term motion predictions with quantifiable…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Leo Bringer , Joey Wilson , Kira Barton , Maani Ghaffari

We consider a massive MIMO system where the array at the access point reaches a dimension that is much larger than the array in current systems. Transitioning to an extremely large dimension and hence large number of antennas implies a need…

信号处理 · 电气工程与系统科学 2019-12-10 Abolfazl Amiri , Carles Navarro Manch'on , Elisabeth de Carvalho

This paper considers human activity classification for an indoor radar system. Human motions generate nonstationary radar returns which represent Doppler and micro-Doppler signals. The time-frequency (TF) analysis of micro-Doppler signals…

信号处理 · 电气工程与系统科学 2021-04-02 Patrick A. Schooley , Syed A. Hamza

Measuring the respiratory signal from a video based on body motion has been proposed and recently matured in products for video health monitoring. The core algorithm for this measurement is the estimation of tiny chest/abdominal motions…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Wenjin Wang , Albertus C. den Brinker

We introduce Reactive Message Passing (RMP) as a framework for executing schedule-free, robust and scalable message passing-based inference in a factor graph representation of a probabilistic model. RMP is based on the reactive programming…

机器学习 · 计算机科学 2021-12-28 Dmitry Bagaev , Bert de Vries

Radio technology enabled contact-free human posture and vital sign estimation is promising for health monitoring. Radio systems at millimeter-wave (mmWave) frequencies advantageously bring large bandwidth, multi-antenna array and beam…

信号处理 · 电气工程与系统科学 2023-03-17 Hadi Alidoustaghdam , Min Chen , Ben Willetts , Kai Mao , André Kokkeler , Yang Miao

In recent years, there has been a growing interest in multiple access communication systems that spread their transmitted energy over very large bandwidths. These systems, which are referred to as ultra wide-band (UWB) systems, have various…

信息论 · 计算机科学 2016-11-18 E. Fishler , S. Gezici , H. V. Poor

Respiratory diseases account for a significant portion of global mortality. Affordable and early detection is an effective way of addressing these ailments. To this end, a low-cost commercial off-the-shelf (COTS), IEEE 802.15.4z standard…

信号处理 · 电气工程与系统科学 2025-10-22 Anton Lambrecht , Stijn Luchie , Jaron Fontaine , Ben Van Herbruggen , Adnan Shahid , Eli De Poorter

While loopy belief propagation (LBP) performs reasonably well for inference in some Gaussian graphical models with cycles, its performance is unsatisfactory for many others. In particular for some models LBP does not converge, and in…

机器学习 · 统计学 2015-05-28 Ying Liu , Venkat Chandrasekaran , Animashree Anandkumar , Alan S. Willsky

Human motion detection is getting considerable attention in the field of Artificial Intelligence (AI) driven healthcare systems. Human motion can be used to provide remote healthcare solutions for vulnerable people by identifying particular…

信号处理 · 电气工程与系统科学 2020-08-07 William Taylor , Syed Aziz Shah , Kia Dashtipour , Adnan Zahid , Qammer H. Abbasi , Muhammad Ali Imran

In animal monitoring applications, both animal detection and their movement prediction are major tasks. While a variety of animal monitoring strategies exist, most of them rely on mounting devices. However, in real world, it is difficult to…

人工智能 · 计算机科学 2016-10-24 Jun Xu , Gurkan Solmaz , Rouhollah Rahmatizadeh , Damla Turgut , Ladislau Boloni

This paper explores using RSS measurements on many links in a wireless network to estimate the breathing rate of a person, and the location where the breathing is occurring, in a home, while the person is sitting, laying down, standing, or…

人机交互 · 计算机科学 2023-07-19 Neal Patwari , Lara Brewer , Quinn Tate , Ossi Kaltiokallio , Maurizio Bocca

Several sensing techniques have been proposed for silent speech recognition (SSR); however, many of these methods require invasive processes or sensor attachment to the skin using adhesive tape or glue, rendering them unsuitable for…

音频与语音处理 · 电气工程与系统科学 2023-12-22 Sunghwa Lee , Younghoon Shin , Myungjong Kim , Jiwon Seo