Browsing by Title
Now showing items 11405-11424 of 17315
-
Polygonal Surface Advection applied to Strange Attractors
(The Eurographics Association and Blackwell Publishing Ltd, 2010)Strange attractors of 3D vector field flows sometimes have a fractal geometric structure in one dimension, and smooth surface behavior in the other two. General flow visualization methods show the flow dynamics well, but ... -
Polygonization of Implicit Surfaces on Multi-Core Architectures with SIMD Instructions
(The Eurographics Association, 2012)In this research we tackle the problem of rendering complex models which are created using implicit primitives, blending operators, affine transformations and constructive solid geometry in a design environment that organizes ... -
Polygons, Points, or Voxels? Stimuli Selection for Crowdsourcing Aesthetics Preferences of 3D Shape Pairs
(Association for Computing Machinery, Inc (ACM), 2017)Visual aesthetics is one of the fundamental perceptual properties of 3D shapes. Since the perception of shape aesthetics can be subjective, we take a data-driven approach and consider the human preferences of shape aesthetics. ... -
Polyhedral Finite Elements Using Harmonic Basis Functions
(The Eurographics Association and Blackwell Publishing Ltd, 2008)Finite element simulations in computer graphics are typically based on tetrahedral or hexahedral elements, which enables simple and efficient implementations, but in turn requires complicated remeshing in case of topological ... -
Polyhedral Surface Modeling with a Diffusion System
(Blackwell Publishers Ltd and the Eurographics Association, 1997)This paper presents a method of generating polyhedral surfaces by using a diffusion system that calculates the positional and normal vectors on their vertices. The system generates smooth shapes that satisfy the minimum ... -
Polyhedral Visual Hulls for Real-Time Rendering
(The Eurographics Association, 2001)We present new algorithms for creating and rendering visual hulls in real-time. Unlike voxel or sampled approaches, we compute an exact polyhedral representation for the visual hull directly from the silhouettes. This ... -
Polyline-sourced Geodesic Voronoi Diagrams on Triangle Meshes
(The Eurographics Association and John Wiley and Sons Ltd., 2014) -
PolyMeCo - Uma Ferramenta de Análise e Comparação de Malhas Poligonais
(The Eurographics Association, 2021)A representação de modelos usando malhas poligonais é utilizada em diversos domínios. Por vezes, de forma a adequar uma determinada malha a uma aplicação particular, torna-se necessário processá-la (p.ex., para atenuar ... -
Polynomial Approximation of Blinn-Phong Model
(The Eurographics Association, 2006)The Phong model has been one of the oldest and the most popular reflection models in Computer Graphics. It can be used to model specular highlights of various materials. In this paper, we consider a polynomial model and ... -
Polynomial Optics: A Construction Kit for Efficient Ray-Tracing of Lens Systems
(The Eurographics Association and Blackwell Publishing Ltd., 2012)Simulation of light transport through lens systems plays an important role in graphics. While basic imaging properties can be conveniently derived from linear models (like ABCD matrices), these approximations fail to ... -
Polyp-Cavity Segmentation of Cold-Water Corals guided by Ambient Occlusion and Ambient Curvature
(The Eurographics Association, 2022)The segmentation of cavities in three-dimensional images of arbitrary objects is a difficult problem since the cavities are usually connected to the outside of the object without any difference in image intensity. Hence, ... -
PolyVR - A Virtual Reality Authoring System
(The Eurographics Association, 2014)Virtual Reality applications are very complex. 3D modelling and scene authoring is very time consuming and requires expertise in computer sciences. A further problem are the advanced Virtual Reality hardware setups, which ... -
Pontos de Interesse Relevantes num Mapa: à Procura de Boas Práticas
(The Eurographics Association, 2021)Neste artigo tentamos identificar um conjunto de boas práticas para a produção de símbolos gráficos que representam pontos de interesse relevantes sobre um mapa, quando se usam computadores de secretária ou portáteis. ... -
The POP Buffer: Rapid Progressive Clustering by Geometry Quantization
(The Eurographics Association and Blackwell Publishing Ltd., 2013)Within this paper, we present a novel, straightforward progressive encoding scheme for general triangle soups, which is particularly well-suited for mobile and Web-based environments due to its minimal requirements on the ... -
POP: Full Parametric model Estimation for Occluded People
(The Eurographics Association, 2019)In the last decades, we have witnessed advances in both hardware and associated algorithms resulting in unprecedented access to volumes of 2D and, more recently, 3D data capturing human movement. We are no longer satisfied ... -
pOp: Parameter Optimization of Differentiable Vector Patterns
(The Eurographics Association and John Wiley & Sons Ltd., 2022)Procedural materials are extensively used in computer graphics, since they provide editable, resolution-independent representation of textures. However, tuning the parameters of procedural generators to achieve a desired ... -
PoPI: Glyph Designs for Collaborative Filtering on Interactive Tabletops
(The Eurographics Association, 2015)Filtering data on a visualization can be a challenge when multiple people work on a shared visualization, for instance on an interactive tabletop. Visualizations can present data that satisfy the union of all user filters, ... -
Populating Ancient Pompeii with Crowds of Virtual Romans
(The Eurographics Association, 2007)Pompeii was a Roman city, destroyed and completely buried during an eruption of the volcano Mount Vesuvius. We have revived its past by creating a 3D model of its previous appearance and populated it with crowds of Virtual ... -
Population Dynamics Visualization
(The Eurographics Association, 2012)In this work we present a graphic, interactive system to validate population dynamics models through hypothesis (simulation results) and radiocarbon samples selection and process. The goal of the graphical tool is to allow ... -
PORGY: A Visual Graph Rewriting Environment for Complex Systems
(The Eurographics Association and Blackwell Publishing Ltd., 2012)Graph rewriting systems (GRSs) operate on graphs by substituting local patterns according to a set of rewriting rules. The apparent simplicity of GRSs hides an incredible complexity and turns the study of these systems ...