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For a transparent well with a known volume capacity, changes in fluid level result in predictable changes in magnification of an overhead light source. For a given well size and fluid, the relationship between volume and magnification can…

Image and Video Processing · Electrical Eng. & Systems 2023-09-22 Pierre V. Baudin , Mircea Teodorescu

The quest for deeper understanding of biological systems has driven the acquisition of increasingly larger multidimensional image datasets. Inspecting and manipulating data of this complexity is very challenging in traditional visualization…

Graphics · Computer Science 2018-08-23 Stanislav Pidhorskyi , Michael Morehead , Quinn Jones , George Spirou , Gianfranco Doretto

Despite the impressive progress of telepresence systems for room-scale scenes with static and dynamic scene entities, expanding their capabilities to scenarios with larger dynamic environments beyond a fixed size of a few square-meters…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Leif Van Holland , Patrick Stotko , Stefan Krumpen , Reinhard Klein , Michael Weinmann

We discuss an implementation of our 3D radiative transfer (3DRT) framework with the OpenCL paradigm for general GPU computing. We implement the kernel for solving the 3DRT problem in Cartesian coordinates with periodic boundary conditions…

Instrumentation and Methods for Astrophysics · Physics 2011-08-01 Peter H. Hauschildt , E. Baron

We present volkit, an open source library with high performance implementations of image manipulation and computer vision algorithms that focus on 3D volumetric representations. Volkit implements a cross-platform, performance-portable API…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Stefan Zellmann , Giovanni Aguirre , Jürgen P. Schulze

We present a light and fast, public available, ray-tracer {\tt Splotch} software tool which supports the effective visualization of cosmological simulations data. We describe the algorithm it relies on, which is designed in order to deal…

Astrophysics · Physics 2008-12-18 K. Dolag , M. Reinecke , C. Gheller , S. Imboden

GPUs are now used for a wide range of problems within HPC. However, making efficient use of the computational power available with multiple GPUs is challenging. The main challenges in achieving good performance are memory layout, affecting…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-20 Robert Clucas , Philip Blakely , Nikolaos Nikiforakis

Direct Volume Rendering is a popular and powerful visualization method for voxel data and other volumetric scalar data sets. Particularly, in medical applications volume rendering is very commonly used, and has become one of the state of…

Graphics · Computer Science 2021-10-04 Daniel Ruijters

We present a novel RGB-D mapping system for generating 3D maps over spatially extended regions with higher resolution than current methods using multiple, dynamically placed mapping volumes. Our method takes in RGB-D frames and dynamically…

Robotics · Computer Science 2015-11-24 Michael Salvato , Ross Finman , John Leonard

Real-time 3D scene reconstruction from RGB-D sensor data, as well as the exploration of such data in VR/AR settings, has seen tremendous progress in recent years. The combination of both these components into telepresence systems, however,…

Human-Computer Interaction · Computer Science 2019-04-15 Patrick Stotko , Stefan Krumpen , Matthias B. Hullin , Michael Weinmann , Reinhard Klein

In this paper we present a new method, which allows for the construction of triangular isosurfaces from three-dimensional data sets, such as 3D image data and/or numerical simulation data that are based on regularly shaped, cubic lattices.…

Computational Geometry · Computer Science 2012-06-11 B. R. Schlei

Part-based 3D generation holds great potential for various applications. Previous part generators that represent parts using implicit vector-set tokens often suffer from insufficient geometric details. Another line of work adopts an…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Lihe Ding , Shaocong Dong , Yaokun Li , Chenjian Gao , Xiao Chen , Rui Han , Yihao Kuang , Hong Zhang , Bo Huang , Zhanpeng Huang , Zibin Wang , Dan Xu , Tianfan Xue

We propose OpenVoxel, a training-free algorithm for grouping and captioning sparse voxels for the open-vocabulary 3D scene understanding tasks. Given the sparse voxel rasterization (SVR) model obtained from multi-view images of a 3D scene,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Sheng-Yu Huang , Jaesung Choe , Yu-Chiang Frank Wang , Cheng Sun

A recent development, called isogeometric analysis, provides a unified approach for design, analysis and optimization of functional products in industry. Traditional volume rendering methods for inspecting the results from the numerical…

Graphics · Computer Science 2015-05-08 Franz G. Fuchs , Jon M. Hjelmervik

The paper describes an open source computer vision-based hardware structure and software algorithm, which analyzes layer-wise the 3-D printing processes, tracks printing errors, and generates appropriate printer actions to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Aliaksei L. Petsiuk , Joshua M. Pearce

Particle-based representations of radiance fields such as 3D Gaussian Splatting have found great success for reconstructing and re-rendering of complex scenes. Most existing methods render particles via rasterization, projecting them to…

The proliferation of AI-generated content and sophisticated video editing tools has made it both important and challenging to moderate digital platforms. Video watermarking addresses these challenges by embedding imperceptible signals into…

Multimedia · Computer Science 2024-12-13 Pierre Fernandez , Hady Elsahar , I. Zeki Yalniz , Alexandre Mourachko

Neural networks have shown great success in extracting geometric information from color images. Especially, monocular depth estimation networks are increasingly reliable in real-world scenes. In this work we investigate the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Dominik Engel , Sebastian Hartwig , Timo Ropinski

In many applications of X-ray computed tomography, an unsupervised segmentation of the reconstructed 3D volumes forms an important step in the image processing chain for further investigation of the digitized object. Therefore, the goal is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Thomas Lang

The volume of data generated by modern astronomical telescopes is extremely large and rapidly growing. However, current high-performance data processing architectures/frameworks are not well suited for astronomers because of their…

Instrumentation and Methods for Astrophysics · Physics 2017-01-25 Shoulin Wei , Feng Wang , Hui Deng , Cuiyin Liu , Wei Dai , Bo Liang , Ying Mei , Congming Shi , Yingbo Liu , Jingping Wu