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Related papers: Depth from Defocus Technique Applied to Unsteady S…

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Anomaly detection is a critical task in computer vision with profound implications for medical imaging, where identifying pathologies early can directly impact patient outcomes. While recent unsupervised anomaly detection approaches show…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Le Dong , Qinzhong Tan , Chunlei Li , Jingliang Hu , Yilei Shi , Weisheng Dong , Xiao Xiang Zhu , Lichao Mou

Cylindrically or spherically focusing shock waves have been of keen interest for the past several decades. In addition to fundamental study of materials under extreme conditions, cavitation, and sonoluminescence, focusing shock waves enable…

This paper explores the use of deep learning-based computer vision for real-time monitoring of the flow in intravenous (IV) infusions. IV infusions are among the most common therapies in hospitalized patients and, given that both…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Nicola Giaquinto , Marco Scarpetta , Maurizio Spadavecchia , Gregorio Andria

High-resolution array detectors are widely used in single-particle tracking, but their performance is limited by excess noise from background light and dark current. As pixel resolution increases, the diminished signal per pixel exacerbates…

Quantum Physics · Physics 2025-12-16 Chao-Ning Hu , Jun Xin , Xiao-Ming Lu

Depth estimation is a long-lasting yet important task in computer vision. Most of the previous works try to estimate depth from input images and assume images are all-in-focus (AiF), which is less common in real-world applications. On the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Ning-Hsu Wang , Ren Wang , Yu-Lun Liu , Yu-Hao Huang , Yu-Lin Chang , Chia-Ping Chen , Kevin Jou

This paper investigates score-based diffusion models when the underlying target distribution is concentrated on or near low-dimensional manifolds within the higher-dimensional space in which they formally reside, a common characteristic of…

Machine Learning · Computer Science 2025-01-03 Gen Li , Yuling Yan

We describe an easily implementable method for non-destructive measurements of ultracold atomic clouds based on dark field imaging of spatially resolved Faraday rotation. The signal-to-noise ratio is analyzed theoretically and, in the…

Depth estimation is crucial for intelligent systems, enabling applications from autonomous navigation to augmented reality. While traditional stereo and active depth sensors have limitations in cost, power, and robustness, dual-pixel (DP)…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Kunal Swami , Debtanu Gupta , Amrit Kumar Muduli , Chirag Jaiswal , Pankaj Kumar Bajpai

Interest point detection methods have received increasing attention and are widely used in computer vision tasks such as image retrieval and 3D reconstruction. In this work, second-order anisotropic Gaussian directional derivative filters…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Jie Ren , Wenya Yu , Jiapan Guo , Weichuan Zhang , Changming Sun

Recent work has shown impressive results on data-driven defocus deblurring using the two-image views available on modern dual-pixel (DP) sensors. One significant challenge in this line of research is access to DP data. Despite many cameras…

Image and Video Processing · Electrical Eng. & Systems 2021-08-18 Abdullah Abuolaim , Mauricio Delbracio , Damien Kelly , Michael S. Brown , Peyman Milanfar

The following article presents a multi-length-scale characterization approach for investigating doping chemistry and spatial distributions within semiconductors, as demonstrated using a state-of-the-art CMOS image sensor. With an intricate…

Multi-focus image fusion (MFF) is a popular technique to generate an all-in-focus image, where all objects in the scene are sharp. However, existing methods pay little attention to defocus spread effects of the real-world multi-focus…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Shuang Xu , Lizhen Ji , Zhe Wang , Pengfei Li , Kai Sun , Chunxia Zhang , Jiangshe Zhang

Evaporating multicomponent droplets are ubiquitous and appear in a variety of everyday situations and technological applications, including coating, 3D printing, and energy conversion processes. During evaporation, concentration gradients…

Fluid Dynamics · Physics 2025-07-02 Alexander Erb , Johanna Steinmann , Youngeun Lee , Robert W. Stark

Experiments of water droplets impacting small geometric posts of equal dimension to the drop diameter are shown in this fluid dynamics video. High speed photography shows that the dynamics of drop splashing are significantly affected by the…

Fluid Dynamics · Physics 2010-10-15 G. Juarez , Y. Zhang , T. Gastopoulos , P. E. Arratia

Understanding optical responses of topological matter is a central problem for enabling optoelectronic applications based on topological physics, which is of fundamental concern for photocurrents control and spectroscopy. Currently, schemes…

Other Condensed Matter · Physics 2026-04-24 Osamah Sufyan , Ofer Neufeld

Recent camera-based 3D object detection is limited by the precision of transforming from image to 3D feature spaces, as well as the accuracy of object localization within the 3D space. This paper aims to address such a fundamental problem…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Chaoqun Wang , Yiran Qin , Zijian Kang , Ningning Ma , Ruimao Zhang

We present a method to estimate dense depth by optimizing a sparse set of points such that their diffusion into a depth map minimizes a multi-view reprojection error from RGB supervision. We optimize point positions, depths, and weights…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Numair Khan , Min H. Kim , James Tompkin

A multichannel dual-comb spectroscopy (DCS) approach for high-resolution, broadband spectral measurements is presented, demonstrating its effectiveness in studying complex atomic systems. By implementing a photodetector array, we enhance…

Atomic Physics · Physics 2025-03-14 R. Aramyan , O. Tretiak , S. S. Sahoo , D. Budker

Diffusing-wave spectroscopy is a powerful technique which consists in measuring the temporal correlation function of the intensity of light multiply scattered by a medium. In this paper, we apply this technique to cold atoms under purely…

We study the deformation of a two-dimensional viscous droplet in simple shear in the presence of odd viscosity. We derive an analytical solution for the droplet shape and surrounding flow field within the framework of odd Stokes flow,…

Soft Condensed Matter · Physics 2026-05-11 Thomas Appleford , Hugo França , Maziyar Jalaal