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Accelerating imaging speed in optical microscopy is often realized at the expense of image contrast, image resolution, and detection sensitivity- a common predicament for advancing high-speed and high-throughput cellular imaging. We here…

High-Q optical resonators allow label-free detection of individual nanoparticles through perturbation of optical signatures but have practical limitations due to reliance on random diffusion to deliver particles to the sensing region. We…

Optics · Physics 2016-10-03 Jeewon Suh , Kewen Han , Christopher W Peterson , Gaurav Bahl

We report on using a laser Doppler processing of Fourier-domain optical coherence tomography (OCT) data for the assessment of pulsatile blood flow in the choriocapillaris. Signal fluctuations in B-scans recorded at 2 kHz were analyzed by…

Multidimensional coherent spectroscopy (MDCS) is used to separate coherent and incoherent many-body contributions to the population-time dynamics in a GaAs-based semiconductor microcavity encapsulating a single InGaAs quantum well. In a…

Mesoscale and Nanoscale Physics · Physics 2022-04-13 J. Paul , H. Rose , E. Swagel , T. Meier , J. K. Wahlstrand , A. D. Bristow

Pathological slowing in the electroencephalogram (EEG) is widely investigated for the diagnosis of neurological disorders. Currently, the gold standard for slowing detection is the visual inspection of the EEG by experts, which is…

Multi-channel electrophysiology systems for recording of neuronal activity face significant data throughput limitations, hampering real-time, data-informed experiments. These limitations impact both experimental neurobiology research and…

Transient brain-wide neuroimaging on a microscopic scale is pivotal for brain research, yet current modalities face challenges in meeting such spatiotemporal requirements. Functional ultrasound (fUS) enables transient neurovascular imaging…

Medical Physics · Physics 2025-12-09 Yang Cai , Shaoyuan Yan , Long Xu , Yanfeng Zhu , Bo Li , Kailiang Xu

Coronary artery disease(CAD) is the most common type of heart disease and the leading cause of death worldwide[1]. A progressive state of this disease marked by plaque rupture and clot formation in the coronary arteries, also known as an…

Machine Learning · Computer Science 2020-09-29 Atandra Burman , Jitto Titus , David Gbadebo , Melissa Burman

The Circle of Willis (CoW), vital for ensuring consistent blood flow to the brain, is closely linked to ischemic stroke. Accurate assessment of the CoW is important for identifying individuals at risk and guiding appropriate clinical…

Image and Video Processing · Electrical Eng. & Systems 2025-12-04 Wenxuan Zhang , Shuai Li , Xinyi Wang , Yu Sun , Hongyu Kang , Pui Yuk Chryste Wan , Jing Qin , Yuanpeng Zhang , Yong-Ping Zheng , Sai-Kit Lam

Row column addressed (RCA) transducers present a promising solution for ultrafast volumetric imaging with a reduced channel count and a large field of view. However, RCA-based 3D imaging is fundamentally limited by severe sidelobe artifacts…

Medical Physics · Physics 2026-04-27 Qiandong Sun , Rui He , Shilin Hou , Jiyan Dai , Kailiang Xu

Replacing electrons with photons is a compelling route towards light-speed, highly parallel, and low-power artificial intelligence computing. Recently, all-optical diffractive neural deep neural networks have been demonstrated. However, the…

Signal Processing · Electrical Eng. & Systems 2021-07-19 Xuhao Luo , Yueqiang Hu , Xin Li , Xiangnian Ou , Jiajie Lai , Na Liu , Huigao Duan

Adequate blood supply is critical for normal brain function. Brain vasculature dysfunctions such as stalled blood flow in cerebral capillaries are associated with cognitive decline and pathogenesis in Alzheimer's disease. Recent advances in…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Roman Solovyev , Alexandr A. Kalinin , Tatiana Gabruseva

The reflectometry on Experimental Advanced Superconducting Tokamak (EAST) is undergoing an upgrade for more comprehensive measurement of plasma density profile and fluctuation. The Data Acquisition and Control System (DACS) has been…

Instrumentation and Detectors · Physics 2019-09-04 Fei Wen , Haoming Xiang , Tao Zhang , Yuming Wang , Xiang Han , Hao Qu , Fubin Zhong , Kaixuan Ye , Mingfu Wu , Gongshun Li , Shoubiao Zhang , Xiang Gao

A novel ultra-long distributed vibration sensing (DVS) system using forward transmission and coherent detection is proposed and experimentally demonstrated. In the proposed scheme, a pair of multi-span optical fibers are deployed for…

Signal Processing · Electrical Eng. & Systems 2019-07-19 Yaxi Yan , Changjian Guo , Xiong Wu , Ziqi Lin , Xian Zhou , Faisal Nadeem Khan , Alan Pak Tao Lau , Chao Lu

A recently proposed scatter-window and deep learning-based attenuation compensation (AC) method for myocardial perfusion imaging (MPI) by single-photon emission computed tomography (SPECT), namely CTLESS, demonstrated promising performance…

Medical Physics · Physics 2025-03-24 Zitong Yu , Nu Ri Choi , Zezhang Yang , Nancy A. Obuchowski , Barry A. Siegel , Abhinav K. Jha

Stochastic computing (SC) is an emerging computing technique that promises high density, low power, and error tolerant solutions. In SC, values are encoded as unary bitstreams and SC arithmetic circuits operate on one or more bitstreams. In…

Signal Processing · Electrical Eng. & Systems 2018-03-14 Vincent T. Lee , Armin Alaghi , Luis Ceze

Discriminative correlation filters (DCF) with deep convolutional features have achieved favorable performance in recent tracking benchmarks. However, most of existing DCF trackers only consider appearance features of current frame, and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Zheng Zhu , Wei Wu , Wei Zou , Junjie Yan

Photon scattering has traditionally limited the ability of near-infrared spectroscopy (NIRS) to extract accurate, layer-specific information from the brain. This limitation restricts its clinical utility for precise neurological monitoring.…

Neurons and Cognition · Quantitative Biology 2025-11-11 Minsu Ji , Jihoon Kang , Seongkwon Yu , Jaemyoung Kim , Bumjun Koh , Jimin Lee , Guil Jeong , Jongkwan choi , Chang-Ho Yun , Hyeonmin Bae

Delineation of the cardiac structures from 2D echocardiographic images is a common clinical task to establish a diagnosis. Over the past decades, the automation of this task has been the subject of intense research. In this paper, we…

Manual operation of microscopes for repetitive tasks in cell biology is a significant bottleneck, consuming invaluable expert time, and introducing human error. Automation is essential, and while Digital Holographic Microscopy (DHM) offers…