Browsing by Title

Now showing items 12079-12098 of 17315

    • Quaternion Space Sparse Decomposition for Motion Compression and Retrieval 

      Zhu, Mingyang; Sun, Huaijiang; Deng, Zhigang (The Eurographics Association, 2012)
      Quaternion has become one of the most widely used representations for rotational transformations in 3D graphics for decades. Due to the sparse nature of human motion in both the spatial domain and the temporal domain, an ...

    • Query by Visual Words: Visual Search for Scatter Plot Visualizations 

      Shao, Lin; Schleicher, Timo; Schreck, Tobias (The Eurographics Association, 2016)
      Finding interesting views in large collections of data visualizations, e.g., scatter plots, is challenging. Recently, ranking views based on heuristic quality measures has been proposed. However, quality measures may fail ...

    • QUESTO: Interactive Construction of Objective Functions for Classification Tasks 

      Das, Subhajit; Xu, Shenyu; Gleicher, Michael; Chang, Remco; Endert, Alex (The Eurographics Association and John Wiley & Sons Ltd., 2020)
      Building effective classifiers requires providing the modeling algorithms with information about the training data and modeling goals in order to create a model that makes proper tradeoffs. Machine learning algorithms allow ...

    • A Quick and Automatic Image Based Modeling and Rendering System 

      Yerex, Keith; Birkbeck, Neil; Cobzas, Dana; Jagersand, Martin (Eurographics Association, 2004)
      We present a complete and automatic system for object capture from video, Internet delivery, and real-time photorealistic rendering. Shape from silhouette is used to capture an approximate enveloping geometry, the visual ...

    • Quick Cone Map Generation on the GPU 

      Valasek, Gábor; Bán, Róbert (The Eurographics Association, 2022)
      We propose an efficient conservative cone map generation algorithm that has T(N^2 logN) complexity for textures of dimension N ×N in contrast to the T(N^4) complexity of brute-force approaches. This is achieved by using a ...

    • A Quick Rendering Method Using Basis Functions for Interactive Lighting Design 

      Dobashi, Yoshinori; Kaneda, Kazufumi; Nakatani, Hideki; Yamashita, Hideo; Nishita, Tomoyuki (Blackwell Science Ltd and the Eurographics Association, 1995)
      When designing interior lighting effects, it is desirable to compare a variety of lighting designs involving different lighting devices and directions of light. It is, however, time-consuming to generate images with many ...

    • Quick textured mesh generation for massive 3D digitization of museum artifacts 

      Gonizzi, Sara; Micoli, Laura L.; Guidi, Gabriele (The Eurographics Association, 2013)
      The goal of the "3D Icons" European Project, is to provide Europeana with accurate 3D models of Cultural Heritage artifacts. The purpose of this paper is to describe the specific optimized processing pipeline that has been ...

    • Quick-Pro-Build: A Web-based Approach for Quick Procedural 3D Reconstructions of Buildings 

      Bohlender, Bela; Mühlhäuser, Max; Guinea, Alejandro Sanchez (The Eurographics Association, 2023)
      We present Quick-Pro-Build, a web-based approach for quick procedural 3D reconstruction of buildings. Our approach allows users to quickly and easily create realistic 3D models using two integrated reference views: street ...

    • QuickSES: A Library for Fast Computation of Solvent Excluded Surfaces 

      Martinez, Xavier; Krone, Michael; Baaden, Marc (The Eurographics Association, 2019)
      Recently, several fast methods to compute Solvent Excluded Surfaces (SES) on GPUs have been presented. While these published methods reportedly yield interesting and useful results, up to now no public, freely accessible ...

    • R-Buffer: A Pointerless A-Buffer Hardware Architecture 

      Wittenbrink, Craig M. (The Eurographics Association, 2001)
      We present a graphics hardware architecture that implements Carpenter's A-buffer. The A-buffer is a software renderer that uses pointer based linked lists. Our pointerless approach computes order independent transparency ...

    • R-CNN based PolygonalWedge Detection Learned from Annotated 3D Renderings and Mapped Photographs of Open Data Cuneiform Tablets 

      Stötzner, Ernst; Homburg, Timo; Bullenkamp, Jan Philipp; Mara, Hubert (The Eurographics Association, 2023)
      Motivated by the demands of Digital Assyriology and the challenges of detecting cuneiform signs, we propose a new approach using R-CNN architecture to classify and localize wedges. We utilize the 3D models of 1977 cuneiform ...

    • R-V Dynamics Illusion: Psychophysical Phenomenon Caused by the Difference between Dynamics of Real Object and Virtual Object 

      Kataoka, Yuta; Hashiguchi, Satoshi; Shibata, Fumihisa; Kimura, Asako (The Eurographics Association, 2015)
      In Mixed-Reality (MR) space, it appeared that the sense of weight can be affected by a MR visual stimulation with a movable portion. We named this psychophysical influence caused by the difference between dynamics of the ...

    • The RACE II Engine for Real-Time Volume Rendering 

      Ray, Harvey; Silver, Deborah (The Eurographics Association, 2000)
      In this paper, we present the RACE II Engine, which uses a hybrid volume rendering methodology that combines algorithmic and hardware acceleration to maximize ray casting performance relative the total amount of volume ...

    • RadEx: Integrated Visual Exploration of Multiparametric Studies for Radiomic Tumor Profiling 

      Mörth, Eric; Wagner-Larsen, Kari; Hodneland, Erlend; Krakstad, Camilla; Haldorsen, Ingfrid S.; Bruckner, Stefan; Smit, Noeska N. (The Eurographics Association and John Wiley & Sons Ltd., 2020)
      Better understanding of the complex processes driving tumor growth and metastases is critical for developing targeted treatment strategies in cancer. Radiomics extracts large amounts of features from medical images which ...

    • Radial Symmetry Detection and Shape Characterization with the Multiscale Area Projection Transform 

      Giachetti, Andrea; Lovato, Christian (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      We present a novel method to characterize 3D surfaces through the computation of a function called (multiscale) area projection transform, measuring the likelihood of points in the 3D space to be center of radial symmetry ...

    • Radiance Cache Splatting: A GPU-Friendly Global Illumination Algorithm 

      Gautron, Pascal; Krivánek, Jaroslav; Bouatouch, Kadi; Pattanaik, Sumanta (The Eurographics Association, 2005)
      Fast global illumination computation is a challenge in several fields such as lighting simulation and computergenerated visual effects for movies. To this end, the irradiance caching algorithm is commonly used since it ...

    • Radiance-Based Blender Add-On for Physically Accurate Rendering of Cultural Heritage 

      Méndez, Míriam; Munoz-Pandiella, Imanol; Andujar, Carlos (The Eurographics Association, 2023)
      Despite the Cultural Heritage and Computer Graphics communities are increasingly joining forces to strengthen their collaboration, the study of how light interacts with monuments (e.g. weathering the surfaces or affecting ...

    • A Radicalized Phenomenological Transformation Of Greek/Unani Humoral Theory Into A Virtual Reality Based Game Engine 

      Khan, Muqeem (IEEE, 2015)
      This research primarily focusing on the continuity of production, survival and access related to indigenous methodologies through the use of virtual reality, serious gaming technologies and affordances. Specifically, the ...

    • Radiometric Characterization of Spectral Imaging for Textual Pigment Identification 

      Kim, Min H.; Rushmeier, Holly (The Eurographics Association, 2011)
      Digital imaging of cultural heritage artifacts has become a standard practice. Typically, standard commercial cameras, often commodity rather than scientific grade cameras, are used for this purpose. Commercial cameras are ...

    • Radiometric Transfer: Example-based Radiometric Linearization of Photographs 

      Li, Han; Peers, Pieter (The Eurographics Association and John Wiley & Sons Ltd., 2015)
      We present an example-based approach for radiometrically linearizing photographs that takes as input a radiometrically linear exemplar image and a target regular uncalibrated image of the same scene, possibly from a different ...