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Related papers: Beyond ExaBricks: GPU Volume Path Tracing of AMR D…

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The cost- and memory-efficient numerical simulation of coupled volume-based multi-physics problems like flow, transport, wave propagation and others remains a challenging task with finite element method (FEM) approaches. Goal-oriented space…

Mathematical Software · Computer Science 2019-05-01 Uwe Köcher , Marius Paul Bruchhäuser , Markus Bause

Surface reconstruction with preservation of geometric features is a challenging computer vision task. Despite significant progress in implicit shape reconstruction, state-of-the-art mesh extraction methods often produce aliased,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Natalia Soboleva , Olga Gorbunova , Maria Ivanova , Evgeny Burnaev , Matthias Nießner , Denis Zorin , Alexey Artemov

We present a fast, differentiable, GPU-accelerated optimization method for ray path tracing in environments containing planar reflectors and straight diffraction edges. Based on Fermat's principle, our approach reformulates the path-finding…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Jérome Eertmans , Sophie Lequeu , Benoît Legat , Laurent Jacques , Claude Oestges

Analyzing high-dimensional data presents challenges due to the "curse of dimensionality'', making computations intensive. Dimension reduction techniques, categorized as linear or non-linear, simplify such data. Non-linear methods are…

Machine Learning · Statistics 2025-04-15 Praveen T. W. Hettige , Benjamin W. Ong

Shortening acquisition time and reducing motion artifacts are the most critical challenges in magnetic resonance imaging (MRI). Deep learning-based image restoration has emerged as a promising solution capable of generating high-resolution…

Image and Video Processing · Electrical Eng. & Systems 2026-03-27 Hao Li , Jianan Liu , Marianne Schell , Tao Huang , Arne Lauer , Katharina Schregel , Jessica Jesser , Dominik F Vollherbst , Martin Bendszus , Sabine Heiland , Tim Hilgenfeld

Numerical integration is a foundational technique in scientific computing and is at the core of many computer vision applications. Among these applications, neural volume rendering has recently been proposed as a new paradigm for view…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 David B. Lindell , Julien N. P. Martel , Gordon Wetzstein

In this paper, we propose a scene-level inverse rendering framework that uses multi-view images to decompose the scene into geometry, SVBRDF, and 3D spatially-varying lighting. While multi-view images have been widely used for object-level…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 JunYong Choi , SeokYeong Lee , Haesol Park , Seung-Won Jung , Ig-Jae Kim , Junghyun Cho

Convolutional Neural Networks (CNN) are becoming a common presence in many applications and services, due to their superior recognition accuracy. They are increasingly being used on mobile devices, many times just by porting large models…

Machine Learning · Computer Science 2020-02-21 Valentin Radu , Kuba Kaszyk , Yuan Wen , Jack Turner , Jose Cano , Elliot J. Crowley , Bjorn Franke , Amos Storkey , Michael O'Boyle

The rising demand for high quality display has ensued active research in high dynamic range (HDR) imaging, which has the potential to replace the standard dynamic range imaging. This is due to HDR's features like accurate reproducibility of…

Image and Video Processing · Electrical Eng. & Systems 2021-02-22 Yafei Ou , Prasoon Ambalathankandy , Masayuki Ikebe , Shinya Takamaeda , Masato Motomura , Tetsuya Asai

Implicit neural representations (INRs) have emerged as a powerful tool for compressing large-scale volume data. This opens up new possibilities for in situ visualization. However, the efficient application of INRs to distributed data…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-23 Qi Wu , Joseph A. Insley , Victor A. Mateevitsi , Silvio Rizzi , Michael E. Papka , Kwan-Liu Ma

As the size of artificial intelligence and machine learning (AI/ML) models and datasets grows, the memory bandwidth becomes a critical bottleneck. The paper presents a novel extended memory hierarchy that addresses some major memory…

Hardware Architecture · Computer Science 2025-05-20 Jordi Altayo , Paul Delestrac , David Novo , Simey Yang , Debjyoti Bhattacharjee , Francky Catthoor

In this paper, we address the problem of efficient point searching and sampling for volume neural rendering. Within this realm, two typical approaches are employed: rasterization and ray tracing. The rasterization-based methods enable…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Jiahao Ma , Miaomiao Liu , David Ahmedt-Aristizaba , Chuong Nguyen

The combination of traditional rendering with neural networks in Deferred Neural Rendering (DNR) provides a compelling balance between computational complexity and realism of the resulting images. Using skinned meshes for rendering…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Amit Raj , Julian Tanke , James Hays , Minh Vo , Carsten Stoll , Christoph Lassner

In this paper, we investigate image reconstruction for dynamic Computed Tomography. The motion of the target with respect to the measurement acquisition rate leads to highly resolved in time but highly undersampled in space measurements.…

Image and Video Processing · Electrical Eng. & Systems 2025-06-27 Pablo Arratia , Matthias Ehrhardt , Lisa Kreusser

Video inpainting tasks have seen significant improvements in recent years with the rise of deep neural networks and, in particular, vision transformers. Although these models show promising reconstruction quality and temporal consistency,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Guillaume Thiry , Hao Tang , Radu Timofte , Luc Van Gool

Magnetic Resonance Imaging (MRI) has long been considered to be among "the gold standards" of diagnostic medical imaging. The long acquisition times, however, render MRI prone to motion artifacts, let alone their adverse contribution to the…

Image and Video Processing · Electrical Eng. & Systems 2021-04-14 Tomer Weiss , Ortal Senouf , Sanketh Vedula , Oleg Michailovich , Michael Zibulevsky , Alex Bronstein

The landscape of computer graphics has undergone significant transformations with the recent advances of differentiable rendering models. These rendering models often rely on heuristic designs that may not fully align with the final…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Fangneng Zhan , Hanxue Liang , Yifan Wang , Michael Niemeyer , Michael Oechsle , Adam Kortylewski , Cengiz Oztireli , Gordon Wetzstein , Christian Theobalt

Scientific optical 3D modeling requires the possibility to implement highly flexible and customizable mathematical models as well as high computing power. However, established ray tracing software for optical design and modeling purposes…

Computational Engineering, Finance, and Science · Computer Science 2023-08-15 Andrej Keksel , Samuel Schmidt , Dietrich Beck , Jörg Seewig

Textual descriptions for multimodal inputs entail recurrent refinement of queries to produce relevant output images. Despite efforts to address challenges such as scaling model size and data volume, the cost associated with pre-training and…

Machine Learning · Computer Science 2025-08-14 Amit Kumar Jaiswal , Haiming Liu , Ingo Frommholz

In this paper, we describe our vectorized and parallelized adaptive mesh refinement (AMR) N-body code with shared time steps, and report its performance on a Fujitsu VPP5000 vector-parallel supercomputer. Our AMR N-body code puts…

Astrophysics · Physics 2015-06-24 Hideki Yahagi