English
Related papers

Related papers: Autofocus Method for Human-Body Imaging under Resp…

200 papers

Anomalous change detection (ACD) methods separate common, uninteresting changes from rare, significant changes in co-registered images collected at different points in time. In this paper we evaluate methods to improve the performance of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Hannah J. Murphy , Christopher X. Ren , Matthew T. Calef

This study demonstrates the feasibility of radar-based non-contact respiratory monitoring for wombats. Two measurement experiments were conducted in June and December 2024 using 79-GHz millimeter-wave radar systems to monitor the…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Marina Murakami , Ryoko Iwase , Chiemi Iba , Daisuke Ogura , Takuya Sakamoto

We propose a novel approach and algorithm based on two preliminary tests of the optical system elements to enhance the super-resolved complex-valued imaging. The approach is developed for inverse phase imaging in a single-shot lensless…

Accurate characterization of modern on-chip antennas remains challenging, as current probe-station techniques offer limited angular coverage, rely on bespoke hardware, and require frequent manual alignment. This research introduces RAPTAR…

Robotics · Computer Science 2025-07-24 Maaz Qureshi , Mohammad Omid Bagheri , Abdelrahman Elbadrawy , William Melek , George Shaker

Deep learning approaches require enough training samples to perform well, but it is a challenge to collect enough real training data and label them manually. In this letter, we propose the use of realistic synthetic data with a wide…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Weixing Liu , Jun Liu , Bin Luo

Current human pose estimation systems focus on retrieving an accurate 3D global estimate of a single person. Therefore, this paper presents one of the first 3D multi-person human pose estimation systems that is able to work in real-time and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Pawel Knap , Peter Hardy , Alberto Tamajo , Hwasup Lim , Hansung Kim

Purpose. Radiation therapy is a local treatment aimed at cells in and around a tumor. The goal of this study is to develop an algorithmic solution for predicting the position of a target in 3D in real time, aiming for the short fixed…

Artificial Intelligence · Computer Science 2015-08-05 Tomas Krilavicius , Indre Zliobaite , Henrikas Simonavicius , Laimonas Jarusevicius

The purpose of this work is to demonstrate a robust and clinically validated method for correcting sound speed aberrations in medical ultrasound. We propose a correction method that calculates focusing delays directly from the observed…

In recent years, compressed sensing (CS) has been applied in the field of synthetic aperture radar (SAR) imaging and shows great potential. The existing models are, however, based on application of the sensing matrix acquired by the exact…

Information Theory · Computer Science 2014-05-23 Jian Fang , Zongben Xu , Bingchen Zhang , Wen Hong , Yirong Wu

Continuous contactless respiration monitoring of co-sleeping subjects faces a dilemma: conventional single-site multiple-input multiple-output (MIMO) radars struggle with limited angular resolution for closely spaced individuals, while…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Lang Qin , Mandong Zhang , Wenting Song , Zhiqiang Huang , Xiaoguang Liu

Respiratory motion limits the accuracy and precision of abdominal percutaneous procedures. In this paper, respiratory motion is compensated robotically using motion estimation models. Additionally, a teleoperated insertion is performed…

Systems and Control · Electrical Eng. & Systems 2025-11-27 Ana Cordon-Avila , Mostafa Selim , Momen Abayazid

We study an inverse scattering problem for monostatic synthetic aperture radar (SAR): Estimate the wave speed in a heterogeneous, isotropic and nonmagnetic medium probed by waves emitted and measured by a moving antenna. The forward map,…

Numerical Analysis · Mathematics 2026-01-29 Liliana Borcea , Josselin Garnier , Alexander V. Mamonov , Jörn Zimmerling

For the one billion sufferers of respiratory disease, managing their disease with inhalers crucially influences their quality of life. Generic treatment plans could be improved with the aid of computational models that account for…

In medical reporting, the accuracy of radiological reports, whether generated by humans or machine learning algorithms, is critical. We tackle a new task in this paper: image-conditioned autocorrection of inaccuracies within these reports.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Arnold Caleb Asiimwe , Dídac Surís , Pranav Rajpurkar , Carl Vondrick

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

Step-frequency radar (SFR) is a high resolution radar approach, where multiple pulses are transmitted at different frequencies, covering a wide spectrum. The obtained resolution directly depends on the total bandwidth used, or equivalently,…

Information Theory · Computer Science 2015-03-13 Sagar Shah , Yao Yu , Athina Petropulu

The visual inspection of aerial drone footage is an integral part of land search and rescue (SAR) operations today. Since this inspection is a slow, tedious and error-prone job for humans, we propose a novel deep learning algorithm to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Pasi Pyrrö , Hassan Naseri , Alexander Jung

This paper investigates the use of synthetic face data to enhance Single-Morphing Attack Detection (S-MAD), addressing the limitations of availability of large-scale datasets of bona fide images due to privacy concerns. Various morphing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 David Benavente-Rios , Juan Ruiz Rodriguez , Gustavo Gatica

We propose a real-time 3D human pose estimation and motion analysis method termed RePose for rehabilitation training. It is capable of real-time monitoring and evaluation of patients'motion during rehabilitation, providing immediate…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Junxiao Xue , Pavel Smirnov , Ziao Li , Yunyun Shi , Shi Chen , Xinyi Yin , Xiaohan Yue , Lei Wang , Yiduo Wang , Feng Lin , Yijia Chen , Xiao Ma , Xiaoran Yan , Qing Zhang , Fengjian Xue , Xuecheng Wu

Inverse synthetic aperture radar (ISAR) images generated from single-channel automotive radar data provide critical information about the shape and size of automotive targets. However, the quality of ISAR images degrades due to road clutter…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Devansh Mathur , Akanksha Sneh , Debojyoti Sarkar , Shobha Sundar Ram