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Related papers: 3He Lung Imaging in an Open Access, Very-Low-Field…

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Crucial for healthcare and biomedical applications, respiration monitoring often employs wearable sensors in practice, causing inconvenience due to their direct contact with human bodies. Therefore, researchers have been constantly…

Machine Learning · Computer Science 2021-11-17 Tianyue Zheng , Zhe Chen , Shujie Zhang , Chao Cai , Jun Luo

The suitability of a transportable 3He-spin filter as temporary broadband polarizer for a Time-of-Flight neutron reflectometer is demonstrated. A simple two-wavelength method for characterisation of a 3He-spin filter is proposed, which can…

A planar hyper-lens, capable of creating sub-wavelength imaging for broadband electromagnetic wave, is designed based on electromagnetic null medium. Subsequently, a scheme for the implementation of the proposed hyper-lens is given by using…

Applied Physics · Physics 2024-11-11 Ran Sun , Fei Sun , Hanchuan Chen , Yichao Liu , Qi Wang

The interconnection between the human lungs and other organs, such as the liver and kidneys, is crucial for understanding the underlying risks and effects of lung diseases and improving patient care. However, most research chest CT imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Lianrui Zuo , Kaiwen Xu , Dingjie Su , Xin Yu , Aravind R. Krishnan , Yihao Liu , Shunxing Bao , Thomas Li , Kim L. Sandler , Fabien Maldonado , Bennett A. Landman

Presently, Magnetic Resonance Imaging (MRI) magnets must deliver excellent magnetic field (B0) uniformity to achieve optimum image quality. Long magnets can satisfy the homogeneity requirements but require considerable superconducting…

Medical Physics · Physics 2024-02-15 Marina Manso Jimeno , John Thomas Vaughan , Sairam Geethanath

Three-dimensional (3D) printing has emerged as a powerful tool for material, food, and life science research and development, where the technology democratization necessitates the advancement of open-source platforms. Herein, we developed a…

Soft Condensed Matter · Physics 2022-03-16 Iek Man Lei , Yaqi Sheng , Chon Lok Lei , Cillian Leow , Yan Yan Shery Huang

An atomic magnetometer operated with elliptically polarized light is investigated theoretically and experimentally. To explore the potential of this magnetometric configuration, the analytical form of the outgoing signal is derived.…

Atomic Physics · Physics 2020-01-08 Shengran Su , Guoyi Zhang , Xin Bi , Xiang He , Wenqiang Zheng , Qiang Lin

The "lifting from 2D pose" method has been the dominant approach to 3D Human Pose Estimation (3DHPE) due to the powerful visual analysis ability of 2D pose estimators. Widely known, there exists a depth ambiguity problem when estimating…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Feng Zhou , Jianqin Yin , Peiyang Li

Terahertz (THz) imaging provides cutting edge technique in biology, medical sciences and non-destructive evaluation. However, due to the long wavelength of the THz wave, the obtained resolution of THz imaging is normally a few hundred…

Optics · Physics 2013-10-22 Jiayu Zhao , Wei Chu , Lanjun Guo , Zhi Wang , Ya Cheng , Weiwei Liu , Zhizhan Xu

Lensless imaging is an elegant approach to high-resolution microscopy, which is rapidly gaining popularity in applications where imaging optics are problematic. However, current lensless imaging methods require objects to be placed within a…

3D-Polarized Light Imaging (3D-PLI) is a neuroimaging technique used to study the structural connectivity of the human brain at the meso- and microscale. In 3D-PLI, the complex nerve fiber architecture of the brain is characterized by 3D…

Computational Physics · Physics 2020-12-21 Felix Matuschke , Kévin Ginsburger , Cyril Poupon , Katrin Amunts , Markus Axer

Imaging techniques give a fundamental support to medical diagnostics during the pathology discovery as well as for the characterization of biological structures. The imaging methods involve electromagnetic waves in a frequency range that…

Computational Physics · Physics 2016-11-26 Guido Ala , Pietro Cassara' , Elisa Francomano , Salvatore Ganci

Human pose and shape (HPS) estimation with lensless imaging is not only beneficial to privacy protection but also can be used in covert surveillance scenarios due to the small size and simple structure of this device. However, this task…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Haoyang Ge , Qiao Feng , Hailong Jia , Xiongzheng Li , Xiangjun Yin , You Zhou , Jingyu Yang , Kun Li

We introduce a fast and invertible approximation for data simulated as 2D planar meshes with connectivities along the poloidal dimension in deforming 3D toroidal (donut-like) spaces generated by fusion simulations. In fusion simulations,…

Graphics · Computer Science 2025-06-02 Congrong Ren , Hanqi Guo

Purpose: In some proton therapy facilities, patient alignment relies on two 2D orthogonal kV images, taken at fixed, oblique angles, as no 3D on-the-bed imaging is available. The visibility of the tumor in kV images is limited since the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Yuzhen Ding , Hongying Feng , Yunze Yang , Jason Holmes , Zhengliang Liu , David Liu , William W. Wong , Nathan Y. Yu , Terence T. Sio , Steven E. Schild , Baoxin Li , Wei Liu

In this letter, we demonstrate the experimental mapping of the longitudinal magnetic and electric optical fields with a standard scanning microscope that involves a high numerical aperture far-field objective. The imaging concept relies…

Optics · Physics 2015-06-17 C. Ecoffey , T. Grosjean

In sports analytics, accurately capturing both the 3D locations and rotations of body joints is essential for understanding an athlete's biomechanics. While Human Mesh Recovery (HMR) models can estimate joint rotations, they often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Katja Ludwig , Yuliia Oksymets , Robin Schön , Daniel Kienzle , Rainer Lienhart

This study presents the progress of our recent research regarding wireless measurements of the human body. First, we explain radar imaging algorithms for screening passengers at security checkpoints that can process data faster than…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Takuya Sakamoto

Medicine is evolving beyond therapy largely predicated on anatomical information and towards incorporating patient-specific molecular biomarkers of disease for more accurate diagnosis and effective treatment. The complementary combination…

Ultra-Low Field (ULF) MRI scanners offer a portable and cost-effective alternative to conventional MRI systems, but require careful calibration to compensate for reduced magnetic field strength and signal quality. In this paper, we present…

Medical Physics · Physics 2025-05-01 Jonathan W. Morris