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Tomography aims to recover a three-dimensional (3D) density map of a medium or an object. In medical imaging, it is extensively used for diagnostics via X-ray computed tomography (CT). Optical diffusion tomography is an alternative to X-ray…

Computational Physics · Physics 2020-05-26 Aviad Levis , Yoav Y. Schechner , Anthony B. Davis , Jesse Loveridge

There is a high demand for fully automated methods for the analysis of primary particle size distributions of agglomerated, sintered or occluded primary particles, due to their impact on material properties. Therefore, a novel, deep…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Max Frei , Frank Einar Kruis

Visual SLAM systems targeting static scenes have been developed with satisfactory accuracy and robustness. Dynamic 3D object tracking has then become a significant capability in visual SLAM with the requirement of understanding dynamic…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Hanwei Zhang , Hideaki Uchiyama , Shintaro Ono , Hiroshi Kawasaki

Object-centric scene understanding is a fundamental challenge in computer vision. Existing approaches often rely on multi-stage pipelines that first apply pre-trained segmentors to extract individual objects, followed by per-object 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Yi Du , Yang You , Xiang Wan , Leonidas Guibas

Optical projection tomography (OPT) is a powerful tool for biomedical studies. It achieves 3D visualization of mesoscopic biological samples with high spatial resolution using conventional tomographic-reconstruction algorithms. However,…

Optics · Physics 2025-02-07 Yan Liu , Jonathan Dong , Thanh-an Pham , François Marelli , Michael Unser

We present DurLAR, a high-fidelity 128-channel 3D LiDAR dataset with panoramic ambient (near infrared) and reflectivity imagery, as well as a sample benchmark task using depth estimation for autonomous driving applications. Our driving…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Li Li , Khalid N. Ismail , Hubert P. H. Shum , Toby P. Breckon

Photoacoustic tomography is a hybrid imaging technique that combines high optical tissue contrast with high ultrasound resolution. Direct reconstruction methods such as filtered backprojection, time reversal and least squares suffer from…

Confocal microscopy of fluorescent labeled particles has been used to study the dynamical and structural properties of colloidal and granular matter in real space. Localization algorithms allow for a fully automatized determination of the…

Soft Condensed Matter · Physics 2011-12-08 Marcel Roth , Michael Franzmann , Maria D'Acunzi , Max Kreiter , Günter K. Auernhammer

An automated vehicle operating in an urban environment must be able to perceive and recognise object/obstacles in a three-dimensional world while navigating in a constantly changing environment. In order to plan and execute accurate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

This work addresses the task of dense 3D reconstruction of a complex dynamic scene from images. The prevailing idea to solve this task is composed of a sequence of steps and is dependent on the success of several pipelines in its execution.…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Suryansh Kumar , Yuchao Dai , Hongdong Li

A polarization camera can capture four linear polarized images with different polarizer angles in a single shot, which is useful in polarization-based vision applications since the degree of linear polarization (DoLP) and the angle of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Chu Zhou , Minggui Teng , Xinyu Zhou , Chao Xu , Imari Sato , Boxin Shi

Visual SLAM shows significant progress in recent years due to high attention from vision community but still, challenges remain for low-textured environments. Feature based visual SLAMs do not produce reliable camera and structure estimates…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Soumyadip Maity , Arindam Saha , Brojeshwar Bhowmick

Minerals, metals, and plastics are indispensable for a functioning modern society. Yet, their supply is limited causing a need for optimizing ore extraction and recuperation from recyclable materials.Typically, those processes must be…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Karol Gotkowski , Shuvam Gupta , Jose R. A. Godinho , Camila G. S. Tochtrop , Klaus H. Maier-Hein , Fabian Isensee

The development of robust, real-time optical methods for the detection and tracking of particles in complex multiple scattering media is a problem of practical importance in a number of fields, including environmental monitoring, air…

Optics · Physics 2025-02-04 Mohammadrasoul Taghavi , Edwin A. Marengo

Computer vision techniques play a central role in the perception stack of autonomous vehicles. Such methods are employed to perceive the vehicle surroundings given sensor data. 3D LiDAR sensors are commonly used to collect sparse 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Lucas Nunes , Rodrigo Marcuzzi , Benedikt Mersch , Jens Behley , Cyrill Stachniss

Sorting, filtering, moving and controlling colloidal particles is crucial in many fields, ranging from chemistry to biology and physics. Dielectrophoresis is an outstanding tool for the manipulation of small particles by AC electric fields,…

Accurate physical modeling with 3D-printing techniques could lead to new approaches to study structure and dynamics of biological systems complementing computational methods. Computational biology has become an important part of research…

Other Computer Science · Computer Science 2015-07-14 Promita Chakraborty

3D object localisation based on a sequence of camera measurements is essential for safety-critical surveillance tasks, such as drone-based wildfire monitoring. Localisation of objects detected with a camera can typically be solved with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Julius Pesonen , Arno Solin , Eija Honkavaara

Visual-Spatial Systems has become increasingly essential in concrete crack inspection. However, existing methods often lacks adaptability to diverse scenarios, exhibits limited robustness in image-based approaches, and struggles with curved…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Pengru Deng , Jiapeng Yao , Chun Li , Su Wang , Xinrun Li , Varun Ojha , Xuhui He

A modulated icosahedral shell with an inclusion is a concise description of many viruses, including recently-discovered large double-stranded DNA ones. Many X-ray scattering patterns of such viruses show major polygonal fringes, which can…

Biological Physics · Physics 2014-08-08 Aliakbar Jafarpour
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