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Accurate motion estimation at high acceleration factors enables rapid motion-compensated reconstruction in Magnetic Resonance Imaging (MRI) without compromising the diagnostic image quality. In this work, we introduce an attention-aware…

图像与视频处理 · 电气工程与系统科学 2024-04-30 Aya Ghoul , Jiazhen Pan , Andreas Lingg , Jens Kübler , Patrick Krumm , Kerstin Hammernik , Daniel Rueckert , Sergios Gatidis , Thomas Küstner

The absence or abnormality of fidgety movements of joints or limbs is strongly indicative of cerebral palsy in infants. Developing computer-based methods for assessing infant movements in videos is pivotal for improved cerebral palsy…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Binh Nguyen-Thai , Vuong Le , Catherine Morgan , Nadia Badawi , Truyen Tran , Svetha Venkatesh

Camera-to-robot calibration is crucial for vision-based robot control and requires effort to make it accurate. Recent advancements in markerless pose estimation methods have eliminated the need for time-consuming physical setups for…

机器人学 · 计算机科学 2024-09-17 Jingpei Lu , Zekai Liang , Tristin Xie , Florian Ritcher , Shan Lin , Sainan Liu , Michael C. Yip

This paper sets a new foundation for data-driven inertial navigation research, where the task is the estimation of positions and orientations of a moving subject from a sequence of IMU sensor measurements. More concretely, the paper…

计算机视觉与模式识别 · 计算机科学 2019-05-31 Hang Yan , Sachini Herath , Yasutaka Furukawa

Virtual try-on and product personalization have become increasingly important in modern online shopping, highlighting the need for accurate body measurement estimation. Although previous research has advanced in estimating 3D body shapes…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Yafei Mao , Xuelu Li , Brandon Smith , Jinjin Li , Raja Bala

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…

Recent advancements in computer vision promise to automate medical image analysis. Rheumatoid arthritis is an autoimmune disease that would profit from computer-based diagnosis, as there are no direct markers known, and doctors have to rely…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Krzysztof Maziarz , Anna Krason , Zbigniew Wojna

Global localization is a fundamental capability required for long-term and drift-free robot navigation. However, current methods fail to relocalize when faced with significantly different viewpoints. We present ROMAN (Robust Object Map…

机器人学 · 计算机科学 2025-04-30 Mason B. Peterson , Yixuan Jia , Yulun Tian , Annika Thomas , Jonathan P. How

This paper considers wave-based imaging through a heterogeneous (random) scattering medium. The goal is to estimate the support of the reflectivity function of a remote scene from measurements of the backscattered wave field. The proposed…

图像与视频处理 · 电气工程与系统科学 2021-05-27 Liliana Borcea , Josselin Garnier

Optical colonoscopy is an essential diagnostic and prognostic tool for many gastrointestinal diseases, including cancer screening and staging, intestinal bleeding, diarrhea, abdominal symptom evaluation, and inflammatory bowel disease…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Heming Yao , Ryan W. Stidham , Zijun Gao , Jonathan Gryak , Kayvan Najarian

The location of the center of rotation (COR) of joints is a key parameter in multiple applications of human motion analysis. The aim of this work was to propose a novel real-time estimator of the center of fixed joints using an inertial…

信号处理 · 电气工程与系统科学 2024-02-07 Sara García-de-Villa , Ana Jiménez-Martín , J. Jesús García-Domínguez

Purpose: Drop-in gamma probes are widely used in robotic-assisted minimally invasive surgery (RAMIS) for lymph node detection. However, these devices only provide audio feedback on signal intensity, lacking the visual feedback necessary for…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Songyu Xu , Yicheng Hu , Jionglong Su , Daniel Elson , Baoru Huang

Some individuals with motor impairments communicate using a single switch -- such as a button click, air puff, or blink. Row-column scanning provides a method for choosing items arranged in a grid using a single switch. An alternative,…

人机交互 · 计算机科学 2022-04-05 Nicholas Bonaker , Emli-Mari Nel , Keith Vertanen , Tamara Broderick

Inertial Measurement Units (IMUs) enable portable, multibody motion capture (MoCap) in diverse environments beyond the laboratory, making them a practical choice for diagnosing mobility disorders and supporting rehabilitation in clinical or…

机器人学 · 计算机科学 2025-05-14 Hassan Osman , Daan de Kanter , Jelle Boelens , Manon Kok , Ajay Seth

Physical activity during hip fracture rehabilitation is essential for mitigating long-term functional decline in geriatric patients. However, it is rarely quantified in clinical practice. Existing continuous monitoring systems with…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Shuhao Que , Dieuwke van Dartel , Ilse Heeringa , Han Hegeman , Miriam Vollenbroek-Hutten , Ying Wang

The visual SLAM method is widely used for self-localization and mapping in complex environments. Visual-inertia SLAM, which combines a camera with IMU, can significantly improve the robustness and enable scale weak-visibility, whereas…

机器人学 · 计算机科学 2020-03-06 Peng Gang , Lu Zezao , Chen Bocheng , Chen Shanliang , He Dingxin

Inspired by the success of volumetric 3D pose estimation, some recent human mesh estimators propose to estimate 3D skeletons as intermediate representations, from which, the dense 3D meshes are regressed by exploiting the mesh topology.…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Xiaoxuan Ma , Jiajun Su , Chunyu Wang , Wentao Zhu , Yizhou Wang

Ultrasound imaging has recently been introduced as a sensing interface for joint motion estimation. The use of ultrasound images as an estimation method is expected to improve the control performance of assistive devices and human--machine…

人机交互 · 计算机科学 2024-01-05 Yo Kobayashi , Yoshihiro Katagi

Gesture recognition is one of the most intuitive ways of interaction and has gathered particular attention for human computer interaction. Radar sensors possess multiple intrinsic properties, such as their ability to work in low…

信号处理 · 电气工程与系统科学 2022-05-20 Souvik Hazra , Hao Feng , Gamze Naz Kiprit , Michael Stephan , Lorenzo Servadei , Robert Wille , Robert Weigel , Avik Santra

Skeleton-based human action recognition has been drawing more interest recently due to its low sensitivity to appearance changes and the accessibility of more skeleton data. However, even the 3D skeletons captured in practice are still…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Cunling Bian , Wei Feng , Fanbo Meng , Song Wang