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In this paper, we use an original ray-tracing domain decomposition method to address image rendering of naturally lighted scenes. This new method allows to particularly analyze rendering problems on parallel architectures, in the case of…

Graphics · Computer Science 2019-12-12 Guillaume Gbikpi-Benissan , Remi Cerise , Patrick Callet , Frederic Magoules

This paper covers the time consuming issues intrinsic to physically-based image rendering algorithms. First, glass materials optical properties were measured on samples of real glasses and other objects materials inside an hotel room were…

Graphics · Computer Science 2019-12-16 Guillaume Gbikpi-Benissan , Patrick Callet , Frederic Magoules

Ray tracing has long been the holy grail of real time rendering. This technique, commonly used for photo realism, simulates the physical behavior of light, at the cost of being computationally heavy. With the introduction of Nvidia RTX…

Graphics · Computer Science 2023-12-13 Pedro Granja , João Pereira

In the past, computer vision systems for digitized documents could rely on systematically captured, high-quality scans. Today, transactions involving digital documents are more likely to start as mobile phone photo uploads taken by…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Nikhil Maddikunta , Huijun Zhao , Sumit Keswani , Alfy Samuel , Fu-Ming Guo , Nishan Srishankar , Vishwa Pardeshi , Austin Huang

In an era where numerous studies claim to achieve almost photorealism with real-time automated environment capture, there is a need for assessments and reproducibility in this domain. This paper presents a transparent and reproducible user…

Human-Computer Interaction · Computer Science 2024-07-03 Sven Kluge , Oliver Staadt

We propose an image warping-based remote rendering technique for volumes that decouples the rendering and display phases. Our work builds on prior work that samples the volume on the client using ray casting and reconstructs a z-value based…

Graphics · Computer Science 2020-06-29 Stefan Zellmann

Recent advances in differentiable rendering have enabled high-quality reconstruction of 3D scenes from multi-view images. Most methods rely on simple rendering algorithms: pre-filtered direct lighting or learned representations of…

Graphics · Computer Science 2022-10-05 Jon Hasselgren , Nikolai Hofmann , Jacob Munkberg

Rendering on conventional computers is capable of generating realistic imagery, but the computational complexity of these light transport algorithms is a limiting factor of image synthesis. Quantum computers have the potential to…

Graphics · Computer Science 2022-04-28 Luís Paulo Santos , Thomas Bashford-Rogers , João Barbosa , Paul Navrátil

This paper covers the fast solution of large acoustic problems on low-resources parallel platforms. A domain decomposition method is coupled with a dynamic load balancing scheme to efficiently accelerate a geometrical acoustic method. The…

Computational Physics · Physics 2019-12-10 Guillaume Gbikpi-Benissan , Frederic Magoules

Real-time rendering of dynamic line sets is relevant in many visualization tasks, including unsteady flow visualization and interactive white matter reconstruction from Magnetic Resonance Imaging. High-quality global illumination and…

Graphics · Computer Science 2026-02-13 Bram Kraaijeveld , Andrei C. Jalba , Anna Vilanova , Maxime Chamberland

Synthetic data is a scalable alternative to manual supervision, but it requires overcoming the sim-to-real domain gap. This discrepancy between virtual and real worlds is addressed by two seemingly opposed approaches: improving the realism…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Sergey Zakharov , Rares Ambrus , Vitor Guizilini , Wadim Kehl , Adrien Gaidon

Research on differentiable scene representations is consistently moving towards more efficient, real-time models. Recently, this has led to the popularization of splatting methods, which eschew the traditional ray-based rendering of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Shrisudhan Govindarajan , Daniel Rebain , Kwang Moo Yi , Andrea Tagliasacchi

Large-scale numerical simulations of planetary interiors require dedicated visualization algorithms that are able to efficiently extract a large amount of information in an interactive and user-friendly way. Here we present a software…

Ray tracing algorithm simulates the physical movements of a huge amount of rays to render a high quality image, in which the tracing procedure for each ray can be implemented in parallel. By leveraging the inherent parallelism of quantum…

Quantum Physics · Physics 2022-03-30 Xi Lu , Hongwei Lin

This paper deals with the parallel simulation of delamination problems at the meso-scale by means of multi-scale methods, the aim being the Virtual Delamination Testing of Composite parts. In the non-linear context, Domain Decomposition…

Numerical Analysis · Mathematics 2013-04-26 Olivier Allix , Pierre Gosselet , Pierre Kerfriden , Karin Saavedra

Many technologies have been developed to help improve spatial resolution of observational images for ground-based solar telescopes, such as adaptive optics (AO) systems and post-processing reconstruction. As any AO system correction is only…

Instrumentation and Methods for Astrophysics · Physics 2017-01-04 Xue-bao Li , Zhong Liu , Feng Wang , Zhen-yu Jin , Yong-yuan Xiang , Yan-fang Zheng

In this contribution, we define (and test) a pipeline to perform virtual painting recolouring using raw data of X-Ray Fluorescence (XRF) analysis on pictorial artworks. To circumvent the small dataset size, we generate a synthetic dataset,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Alessandro Bombini , Fernando García-Avello Bofías , Francesca Giambi , Chiara Ruberto

In the area of computer vision, deep learning has produced a variety of state-of-the-art models that rely on massive labeled data. However, collecting and annotating images from the real world has a great demand for labor and money…

Computer Vision and Pattern Recognition · Computer Science 2017-12-25 Yonglin Tian , Xuan Li , Kunfeng Wang , Fei-Yue Wang

Indoor scenes typically exhibit complex, spatially-varying appearance from global illumination, making inverse rendering a challenging ill-posed problem. This work presents an end-to-end, learning-based inverse rendering framework…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Jingsen Zhu , Fujun Luan , Yuchi Huo , Zihao Lin , Zhihua Zhong , Dianbing Xi , Jiaxiang Zheng , Rui Tang , Hujun Bao , Rui Wang

With the growing popularity of neural rendering, there has been an increasing number of neural implicit multi-view reconstruction methods. While many models have been enhanced in terms of positional encoding, sampling, rendering, and other…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Weikun Zhang , Jianke Zhu
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