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The ability to attend to salient regions of a visual scene is an innate and necessary preprocessing step for both biological and engineered systems performing high-level visual tasks (e.g. object detection, tracking, and classification).…

Neural and Evolutionary Computing · Computer Science 2021-06-15 Jamal Lottier Molin , Chetan Singh Thakur , Ralph Etienne-Cummings , Ernst Niebur

We present the methodology of a photon-conserving, spatially-adaptive, ray-tracing radiative transfer algorithm, designed to run on multiple parallel Graphic Processing Units (GPUs). Each GPU has thousands computing cores, making them…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-17 Blake Hartley , Massimo Ricotti

Cost-effective machine vision systems dedicated to real-time and accurate face detection and recognition in public places are crucial for many modern applications. However, despite their high performance, which could be reached using…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Asma Baobaid , Mahmoud Meribout

Recent advances in generative AI, particularly in computer vision (CV), offer new opportunities to optimize workflows across industries, including logistics and manufacturing. However, many AI applications are limited by a lack of expertise…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Muammer Bay , Timo von Marcard , Dren Fazlija

This study presents a reconstruction of the Gaussian Beam Tracing solution using CUDA, with a particular focus on the utilisation of GPU acceleration as a means of overcoming the performance limitations of traditional CPU algorithms in…

Performance · Computer Science 2025-01-24 Zhang Sheng , Lishu Duan , Hanbo Jiang

Gaussian Splatting (GS) has become one of the most important neural rendering algorithms. GS represents 3D scenes using Gaussian components with trainable color and opacity. This representation achieves high-quality renderings with fast…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Krzysztof Byrski , Grzegorz Wilczyński , Weronika Smolak-Dyżewska , Piotr Borycki , Dawid Baran , Sławomir Tadeja , Przemysław Spurek

Reconstructing a 3D scene from images is challenging due to the different ways light interacts with surfaces depending on the viewer's position and the surface's material. In classical computer graphics, materials can be classified as…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Mateusz Nowak , Wojciech Jarosz , Peter Chin

Visual object tracking is a fundamental and time-critical vision task. Recent years have seen many shallow tracking methods based on real-time pixel-based correlation filters, as well as deep methods that have top performance but need a…

Computer Vision and Pattern Recognition · Computer Science 2017-09-15 Chen Huang , Simon Lucey , Deva Ramanan

The simulation of the two-dimensional Ising model is used as a benchmark to show the computational capabilities of Graphic Processing Units (GPUs). The rich programming environment now available on GPUs and flexible hardware capabilities…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-26 Joshua Romero , Mauro Bisson , Massimiliano Fatica , Massimo Bernaschi

Practical aperture synthesis imaging algorithms work by iterating between estimating the sky brightness distribution and a comparison of a prediction based on this estimate with the measured data ("visibilities"). Accuracy in the latter…

Instrumentation and Methods for Astrophysics · Physics 2021-02-26 Karel Adámek , Peter Wortmann , Bojan Nikolic , Ben Mort , Wesley Armour

We investigate the concept of rendering production-style content with full path tracing in a data-distributed fashion -- that is, with multiple collaborating nodes and/or GPUs that each store only part of the model. In particular, we…

Graphics · Computer Science 2022-04-22 Ingo Wald , Steven G Parker

Current geometry-based monocular 3D object detection models can efficiently detect objects by leveraging perspective geometry, but their performance is limited due to the absence of accurate depth information. Though this issue can be…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Chenhang He , Jianqiang Huang , Xian-Sheng Hua , Lei Zhang

We investigate the performance of Opticks, a NVIDIA OptiX API 7.5 GPU-accelerated photon propagation tool compared with a single-threaded Geant4 simulation. We compare the simulations using an improved model of the NEXT-CRAB-0 gaseous time…

Instrumentation and Detectors · Physics 2025-11-20 NEXT Collaboration , I. Parmaksiz , K. Mistry , E. Church , C. Adams , J. Asaadi , J. Baeza-Rubio , K. Bailey , N. Byrnes , B. J. P. Jones , I. A. Moya , K. E. Navarro , D. R. Nygren , P. Oyedele , L. Rogers , F. Samaniego , K. Stogsdill , H. Almazán , V. Álvarez , B. Aparicio , A. I. Aranburu , L. Arazi , I. J. Arnquist , F. Auria-Luna , S. Ayet , C. D. R. Azevedo , F. Ballester , M. del Barrio-Torregrosa , A. Bayo , J. M. Benlloch-Rodríguez , F. I. G. M. Borges , A. Brodolin , S. Cárcel , A. Castillo , L. Cid , C. A. N. Conde , T. Contreras , F. P. Cossío , R. Coupe , E. Dey , G. Díaz , C. Echevarria , M. Elorza , J. Escada , R. Esteve , R. Felkai , L. M. P. Fernandes , P. Ferrario , A. L. Ferreira , F. W. Foss , Z. Freixa , J. García-Barrena , J. J. Gómez-Cadenas , J. W. R. Grocott , R. Guenette , J. Hauptman , C. A. O. Henriques , J. A. Hernando Morata , P. Herrero-Gómez , V. Herrero , C. Hervés Carrete , Y. Ifergan , F. Kellerer , L. Larizgoitia , A. Larumbe , P. Lebrun , F. Lopez , N. López-March , R. Madigan , R. D. P. Mano , A. P. Marques , J. Martín-Albo , G. Martínez-Lema , M. Martínez-Vara , R. L. Miller , J. Molina-Canteras , F. Monrabal , C. M. B. Monteiro , F. J. Mora , P. Novella , A. Nuñez , E. Oblak , J. Palacio , B. Palmeiro , A. Para , A. Pazos , J. Pelegrin , M. Pérez Maneiro , M. Querol , J. Renner , I. Rivilla , C. Rogero , B. Romeo , C. Romo-Luque , V. San Nacienciano , F. P. Santos , J. M. F. dos Santos , M. Seemann , I. Shomroni , P. A. O. C. Silva , A. Simón , S. R. Soleti , M. Sorel , J. Soto-Oton , J. M. R. Teixeira , S. Teruel-Pardo , J. F. Toledo , C. Tonnelé , S. Torelli , J. Torrent , A. Trettin , A. Usón , P. R. G. Valle , J. F. C. A. Veloso , J. Waiton , A. Yubero-Navarro

In this paper, we present a GPU-accelerated prototype implementation of a portable ultrasound imaging pipeline on an Nvidia CLARA AGX development kit. The raw data is acquired with nonsteered plane wave transmit using a programmable…

Medical Physics · Physics 2024-10-03 V. Arun Kumar , A. N. Madhavanunni , Mahesh Raveendranatha Panicker

Exploring scientific datasets with billions of samples in real-time visualization presents a challenge - balancing high-fidelity rendering with speed. This work introduces a neural accelerated renderer, NARVis, that uses the neural deferred…

Graphics · Computer Science 2026-03-31 Srinidhi Hegde , Kaur Kullman , Thomas Grubb , Leslie Lait , Stephen Guimond , Matthias Zwicker

Panoramic video is a sort of video recorded at the same point of view to record the full scene. With the development of video surveillance and the requirement for 3D converged video surveillance in smart cities, CPU and GPU are required to…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Chengyao Du , Jingling Yuan , Jiansheng Dong , Lin Li , Mincheng Chen , Tao Li

Designing and validating sensor applications and algorithms in simulation is an important step in the modern development process. Furthermore, modern open-source multi-sensor simulation frameworks are moving towards the usage of video-game…

Robotics · Computer Science 2023-03-24 Wouter Jansen , Nico Huebel , Jan Steckel

In recent years, x-ray speckle tracking techniques have emerged as viable tools for wavefront metrology and sample imaging applications. These methods are based on the measurement of near-field images. Thanks to the simple experimental…

Image and Video Processing · Electrical Eng. & Systems 2020-03-31 Andrew J. Morgan , Kevin T. Murray , Harry M. Quiney , Saša Bajt , Henry N. Chapman

Numerical Simulation is an essential part of the design and optimisation of astronomical adaptive optics systems. Simulations of adaptive optics are computationally expensive and the problem scales rapidly with telescope aperture size, as…

Astrophysics · Physics 2009-11-13 A. G. Basden , F. Assemat , T. Butterley , D. Geng , C. D. Saunter , R. W. Wilson

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa