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The through-the-wall human being detection and localization in the complex environments by using the radar system has many possible applications such as for law enforcement, and search and rescue missions in disaster-stricken areas. This…

Signal Processing · Electrical Eng. & Systems 2020-12-22 Budiman P. A. Rohman , Muhammad Bagus Andra , Dion Hayu Fandiantoro , Masahiko Nishimoto

Temporal 3D human pose estimation from monocular videos is a challenging task in human-centered computer vision due to the depth ambiguity of 2D-to-3D lifting. To improve accuracy and address occlusion issues, inertial sensor has been…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yiming Bao , Xu Zhao , Dahong Qian

Studies of the human brain during natural activities, such as locomotion, would benefit from the ability to image deep brain structures during these activities. While Positron Emission Tomography (PET) can image these structures, the bulk…

Robotics · Computer Science 2023-11-30 Junxiang Wang , Iulian I. Iordachita , Peter Kazanzides

In this paper, we introduce an innovative super resolution approach to emerging modes of near-field synthetic aperture radar (SAR) imaging. Recent research extends convolutional neural network (CNN) architectures from the optical to the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Christos Vasileiou , Josiah W. Smith , Shiva Thiagarajan , Matthew Nigh , Yiorgos Makris , Murat Torlak

Synthetic apertures find applications in many fields, such as radar, radio telescopes, microscopy, sonar, ultrasound, LiDAR, and optical imaging. They approximate the signal of a single hypothetical wide aperture sensor with either an array…

Graphics · Computer Science 2019-06-18 Indrajit Kurmi , David C. Schedl , Oliver Bimber

In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries. With the emergence of fifth-generation (5G) millimeter-wave (mmWave) devices, near-field SAR…

Signal Processing · Electrical Eng. & Systems 2023-05-04 Josiah Smith , Murat Torlak

For physical human-robot interactions (pHRI), a robot needs to estimate the accurate body pose of a target person. However, in these pHRI scenarios, the robot cannot fully observe the target person's body with equipped cameras because the…

Robotics · Computer Science 2024-10-10 Takahiro Maeda , Keisuke Takeshita , Norimichi Ukita , Kazuhito Tanaka

The large number and scale of natural and man-made disasters have led to an urgent demand for technologies that enhance the safety and efficiency of search and rescue teams. Semi-autonomous rescue robots are beneficial, especially when…

Signal Processing · Electrical Eng. & Systems 2024-01-15 Christian A. Schroth , Christian Eckrich , Ibrahim Kakouche , Stefan Fabian , Oskar von Stryk , Abdelhak M. Zoubir , Michael Muma

Millimetre-wave (mmWave) radar offers a more privacy-preserving alternative to RGB-based human pose estimation. However, existing methods typically rely on pre-extracted intermediate representations such as sparse point clouds or…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Xijia Wei , Yuan Fang , Kevin Chetty , Youngjun Cho , Nadia Bianchi-Berthouze

Autonomous systems require a continuous and dependable environment perception for navigation and decision-making, which is best achieved by combining different sensor types. Radar continues to function robustly in compromised circumstances…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Carsten Ditzel , Klaus Dietmayer

To develop an efficient motion-compensated reconstruction technique for free-breathing cardiac magnetic resonance imaging (MRI) that allows high-quality images to be reconstructed from multiple undersampled single-shot acquisitions. The…

Computer Vision and Pattern Recognition · Computer Science 2016-11-16 Aurelien Bustin , Anne Menini , Martin A. Janich , Darius Burschka , Jacques Felblinger , Anja C. S. Brau , Freddy Odille

Cardiac magnetic resonance (CMR) image acquisition requires subjects to hold their breath while 2D cine images are acquired. This process assumes that the heart remains in the same position across all slices. However, differences in…

Image and Video Processing · Electrical Eng. & Systems 2024-04-02 Nil Stolt-Ansó , Vasiliki Sideri-Lampretsa , Maik Dannecker , Daniel Rueckert

This study proposes a non-contact method for identifying individuals through the use of heartbeat features measured with millimeter-wave radar. Although complex-valued radar signal spectrograms are commonly used for this task, little…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Haruto Kobayashi , Takuya Sakamoto

Radar-based indoor 3D human pose estimation typically relied on fine-grained 3D keypoint labels, which are costly to obtain especially in complex indoor settings involving clutter, occlusions, or multiple people. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Sorachi Kato , Ryoma Yataka , Pu Perry Wang , Pedro Miraldo , Takuya Fujihashi , Petros Boufounos

Although high resolution isotropic 3D medical images are desired in clinical practice, their acquisition is not always feasible. Instead, lower resolution images are upsampled to higher resolution using conventional interpolation methods.…

Image and Video Processing · Electrical Eng. & Systems 2020-10-27 Jörg Sander , Bob D. de Vos , Ivana Išgum

A problem with synthetic aperture radar (SAR) is that due to the poor penetrating action of electromagnetic waves within solid bodies, the ability to observe through distributed targets is precluded. In this context, indeed, imaging is only…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Filippo Biondi

Cardiac Magnetic Resonance Imaging (MRI) is time-consuming and error-prone. To ease the patient's burden and to increase the efficiency and robustness of cardiac exams, interest in methods based on continuous steady-state acquisition and…

Medical Physics · Physics 2020-10-06 Sebastian Rosenzweig , Nick Scholand , H. Christian M. Holme , Martin Uecker

Ultrasound (US) is widely used for clinical imaging applications thanks to its real-time and non-invasive nature. However, its lesion detectability is often limited in many applications due to the phase aberration artefact caused by…

Image and Video Processing · Electrical Eng. & Systems 2022-02-18 Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

We propose a novel approach to synthesizing images that are effective for training object detectors. Starting from a small set of real images, our algorithm estimates the rendering parameters required to synthesize similar images given a…

Computer Vision and Pattern Recognition · Computer Science 2015-06-30 Artem Rozantsev , Vincent Lepetit , Pascal Fua

Frequency modulated continuous wave (FMCW) radar is emerging as a trendy radar system for synthetic aperture radar (SAR). This letter proposes a novel method for the extraction of the SAR image with the FMCW radar. The proposed method can…

Signal Processing · Electrical Eng. & Systems 2020-10-01 Junhyeong Park , Dae-Hwan Jung , Seong-Ook Park