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Matter-wave interferometers are, in principle, orders of magnitude more sensitive than their optical counterparts. Nevertheless, creation of matter-wave currents to achieve such a sensitivity is a continuing challenge. Here, we propose the…

Quantum Physics · Physics 2009-07-08 Sulakshana Thanvanthri , Kishore T. Kapale , Jonathan P. Dowling

We present a diffusion-based image morphing approach with perceptually-uniform sampling (IMPUS) that produces smooth, direct and realistic interpolations given an image pair. The embeddings of two images may lie on distinct conditioned…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Zhaoyuan Yang , Zhengyang Yu , Zhiwei Xu , Jaskirat Singh , Jing Zhang , Dylan Campbell , Peter Tu , Richard Hartley

Coherence is a defining feature of quantum condensates. These condensates are inherently multimode phenomena and in the macroscopic limit it becomes extremely difficult to resolve populations of individual modes and the coherence between…

Conoscopic interferometry is a promising detection technique for ultrafast acoustics. By focusing a probe beam through a birefringent crystal before passing it through a polarizer, conoscopic interferences sculpt the spatial profile of the…

Applied Physics · Physics 2022-11-08 Martin Robin , Ruben Guis , Mustafa Umit Arabul , Zili Zhou , Nitesh Pandey , Gerard J. Verbiest

Photometric constraint is indispensable for self-supervised monocular depth estimation. It involves warping a source image onto a target view using estimated depth&pose, and then minimizing the difference between the warped and target…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Zhiwei Wang , Ying Zhou , Shiquan He , Ting Li , Fan Huang , Qiang Ding , Xinxia Feng , Mei Liu , Qiang Li

Lens magnification by galaxy clusters induces characteristic spatial variations in the number counts of background sources, amplifying their observed fluxes and expanding the area of sky, the net effect of which, known as magnification…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Keiichi Umetsu

Among the various molecular imaging modalities, ultrasound imaging benefits from its real-time, nonionizing, and cost-effective nature. Despite its benefits, there is a dearth of methods to visualize two or more populations of contrast…

Image and Video Processing · Electrical Eng. & Systems 2023-10-03 Austin Van Namen , Sidhartha Jandhyala , Catalina-Paula Spatarelu , Kenneth M. Tichauer , Kimberley S. Samkoe , Geoffrey P. Luke

Intraoperative ultrasound imaging provides real-time guidance during numerous surgical procedures, but its interpretation is complicated by noise, artifacts, and poor alignment with high-resolution preoperative MRI/CT scans. To bridge the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Noe Bertramo , Gabriel Duguey , Vivek Gopalakrishnan

The pursuit of targeted therapies capable of overcoming biological barriers, including the tenacious blood-brain barrier, has spurred the investigation into stimuli-responsive microagents. This approach could improve therapeutic efficacy,…

Large-scale, big-variant, high-quality data are crucial for developing robust and successful deep-learning models for medical applications since they potentially enable better generalization performance and avoid overfitting. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Zheyuan Zhang , Lanhong Yao , Bin Wang , Debesh Jha , Gorkem Durak , Elif Keles , Alpay Medetalibeyoglu , Ulas Bagci

The measurement and characterization of the lensing of the cosmic microwave background (CMB) is key goal of the current and next generation of CMB experiments. We perform a case study of a three-channel balloon-borne CMB experiment…

Cosmology and Nongalactic Astrophysics · Physics 2012-12-18 Yabebal Fantaye , Carlo Baccigalupi , Samuel Leach , Amit P. S. Yadav

Ultrasound is the second most used modality in medical imaging. It is cost effective, hazardless, portable and implemented routinely in numerous clinical procedures. Nonetheless, image quality is characterized by granulated appearance, poor…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Lilach Barkat , Moti Freiman , Haim Azhari

Measuring cross-sectional areas in ultrasound images is a standard tool to evaluate disease progress or treatment response. Often addressed today with supervised deep-learning segmentation approaches, existing solutions highly depend upon…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Vanessa Gonzalez Duque , Leonhard Zirus , Yordanka Velikova , Nassir Navab , Diana Mateus

Self-supervised contrastive learning between pairs of multiple views of the same image has been shown to successfully leverage unlabeled data to produce meaningful visual representations for both natural and medical images. However, there…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Yen Nhi Truong Vu , Richard Wang , Niranjan Balachandar , Can Liu , Andrew Y. Ng , Pranav Rajpurkar

The attenuation of low-intensity acoustic waves in the suspension of ultrasound contrast agents (UCAs, microbubbles) is determined by the oscillation of the microbubbles in the medium. This bubble-induced attenuation is a linear phenomenon…

Fluid Dynamics · Physics 2019-08-23 Lang Xia

Magnetic Resonance Imaging (MRI) is instrumental in clinical diagnosis, offering diverse contrasts that provide comprehensive diagnostic information. However, acquiring multiple MRI contrasts is often constrained by high costs, long…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Sanuwani Dayarathna , Kh Tohidul Islam , Bohan Zhuang , Guang Yang , Jianfei Cai , Meng Law , Zhaolin Chen

Diffuse Correlation Spectroscopy (DCS) allows the label-free investigation of microvascular dynamics deep within living tissue. However, common implementations of DCS are currently limited to measurement depths of $\sim 1-1.5cm$, which can…

Micro fluidized beds are basically suspensions of solid particles by an ascending fluid in a mm-scale tube, with applications in chemical and pharmaceutical processes involving powders. Although in many applications beds are polydisperse,…

Soft Condensed Matter · Physics 2024-01-22 Henrique Barbosa de Oliveira , Erick de Moraes Franklin

Using deep learning techniques, anomalies in the paranasal sinus system can be detected automatically in MRI images and can be further analyzed and classified based on their volume, shape and other parameters like local contrast. However…

We describe a simple and fast technique to perform ultrasound differential phase contrast (DPC) imaging in arbitrarily thick scattering media. Though configured in a reflection geometry, DPC is based on transmission imaging and is a direct…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Timothy D. Weber , Nikunj Khetan , Ruohui Yang , Jerome Mertz