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Point-Based Computer Graphics

H. Pfister, M. Gross
2004 IEEE Computer Graphics and Applications  
This special issue of IEEE Computer Graphics and Applications highlights recent advances in pointbased computer graphics.  ...  There are two main reasons for this new interest in points. On one hand, we have witnessed a dramatic increase in the polygonal complexity of computer graphics models.  ...  The future In the past four years, point-based graphics has grown tremendously. By the time this issue is published, the first Symposium on Point-Based Graphics in Zurich will have concluded.  ... 
doi:10.1109/mcg.2004.15 pmid:15628082 fatcat:2hxzbyw4gnhkndcisaq6gjm3zy

Point-Based Computer Graphics [article]

Marc Alexa, Carsten Dachsbacher, Markus Gross, Mark Pauly, Jeroen Van Baar, Matthias Zwicker
2003 Eurographics State of the Art Reports  
Point-Based Computer Graphics Mark particles on surface by projecting onto tangent plane of closest point • Apply full MLS projection at end of simulation Gross: Efficient Simplification of Pointsampled  ...  N G 1 G 2 2 2 1 1 ) ( G a G a W h + = ξ Point-Based Computer Graphics Hanspeter Pfister, MERL Reproject h • Project environment mattes onto the new environment. • Environment mattes acquired was parameterized  ...  • how adapt point densities? • for a given viewing position, how can we get n points that suffice for that viewer? • how render the points? • given n points, how can we render an image from them ?  ... 
doi:10.2312/egt.20031095 fatcat:5fcyqy7tvrch5ju5jts32owh3y

Point-based Computer graphics

Matthias Zwicker, Mark Pauly
2004 Computers & graphics  
Computer Graphics Hanspeter Pfister, MERL 9 Point-Based Computer Graphics Hanspeter Pfister, MERL 10 Point-Based Computer Graphics Hanspeter Pfister, MERL 11 Geometry Example Point-Based  ...  Point-Based Computer Graphics Hanspeter Pfister, MERL 3 Point-Based Computer Graphics Hanspeter Pfister, MERL 4 Point-Based Computer Graphics Hanspeter Pfister, MERL 5 Outline • Overview  ...  Projecting the Point  ... 
doi:10.1016/j.cag.2004.08.008 fatcat:amdvmlgndreupab2556sxdvzbe

A Development Perspective of Point-Based Computer Graphics

Ajahati Mukti
2021 Science Insights  
Computer graphics center on those three components of an object to bring them onto the computer display.  ...  Point-based graphing is a way to taking the role in rendering the huge 3D sampled data.  ...  Point-based computer graphics, which uses point elements as the research object, has been attracting attention and becoming a hotspot in graphics.  ... 
doi:10.15354/si.21.re231 fatcat:t4eq72xj4fhtlafmjmzrkutywy

A survey of point-based techniques in computer graphics

Leif Kobbelt, Mario Botsch
2004 Computers & graphics  
In particular we review and evaluate different shape representations, geometric algorithms, and rendering methods, which use points as a universal graphics primitive. r  ...  In this paper, we make an attempt to give an overview of the various point-based methods that have been proposed over the last years.  ...  More details on point-based geometry processing, point-based rendering, or point-based computer graphics in general can be found in [6] [7] [8] [9] .  ... 
doi:10.1016/j.cag.2004.08.009 fatcat:bf3gpquwpfczhag3x5gjdoevge

Point-based rendering techniques

Miguel Sainz, Renato Pajarola
2004 Computers & graphics  
Additionally, we also compare the point-based rendering techniques to a basic triangle mesh approach. r  ...  In this paper, we revisit and compare a number of recently developed point-based rendering implementations within a common testbed.  ...  We would also like to thank Mario Botsch and Leif Kobbelt for sharing some of their code, and we would like to thank the guest editors as well as many of the participants of the inaugural Symposium on Point-Based  ... 
doi:10.1016/j.cag.2004.08.014 fatcat:dfolaiduzjgq3jj7mtp7nsaofm

Direct Computing of Surface Curvatures for Point-Set Surfaces [article]

Pinghai Yang, Xiaoping Qian
2007 Symposium Point-Based Graphics : [Proceedings]  
Accurate computing of the curvatures of a surface from its discrete form is of fundamental importance for many graphics and engineering applications.  ...  This paper presents a set of analytical equations for direct computing of surface curvatures from pointset surfaces based on the explicit definition from [AK04a, AK04b].  ...  Recently, in computer graphics, a number of point based representations, such as surfel [PKKG03, KB04] and MLS [AK04a, AK04b, DGS05, DS05, Lev98, Lev03], have been proposed and proven to be successful  ... 
doi:10.2312/spbg/spbg07/029-036 fatcat:4sfccatpd5fqjnuru7cf6uir6i

An efficient local clustering approach for simplification of 3D point-based computer graphics models

Zhiwen Yu, Hau-san Wong
2006 2006 IEEE International Conference on Multimedia and Expo  
Given a point-based 3D computer graphics model which is defined by a point set P (P = {pi ∈ R 3 }) and a desired reduced number of output samples Ns, the simplification approach finds a point set Ps which  ...  ASM achieves low running time by clustering the points locally based on the preservation of geometric characteristics.  ...  Background Recently, point clouds receive much attention as a representation of models in computer graphics.  ... 
doi:10.1109/icme.2006.262621 dblp:conf/icmcs/YuW06b fatcat:q5a644he4jfxxesbm2622ibxou

Distance Based Feature Detection on 3D Point Sets [article]

Ahmad Ramli, Ioannis Ivrissimtzis
2009 Computer Graphics and Visual Computing  
We propose a distance based algorithm for implicit feature detection on 3D point sets.  ...  Instead of directly determining whether a point belongs to a feature of the 3D point set or not, we first compute the distance between the point and its nearest feature.  ...  Discussion We proposed a method for feature detection on 3D point sets based on estimating the distance between a point and its nearest feature.  ... 
doi:10.2312/localchapterevents/tpcg/tpcg09/053-056 dblp:conf/tpcg/RamliI09 fatcat:hzfgcfmunrffxa7jo5cpt3t5ru

Flexible Interaction with Large Point-Based Datasets [article]

A. Rosiuta, G. Reina, T. Ertl
2006 Computer Graphics and Visual Computing  
We present an application for interacting with large, point-based datasets built with commodity off-the-shelf hardware.  ...  We prove the validity of our concepts with informal user studies both in the application area and the computer science context.  ...  The galaxy formation simulations were carried out by the Virgo Supercomputing Consortium using computers based at the Computing Centre of the Max-Planck Society in Garching and at the Institute for Computational  ... 
doi:10.2312/localchapterevents/tpcg/tpcg06/195-201 dblp:conf/tpcg/RosiutaRE06 fatcat:uviqyrn565bypg5daukgjks7ti

Computing Variation Modes for Point Set Surfaces [article]

Lanfang Miao, Jin Huang, Xinguo Liu, Hujun Bao, Qunsheng Peng, Baining Guo
2005 Symposium Point-Based Graphics : [Proceedings]  
In this paper, we present a novel approach to computing variation modes for point set surfaces, and represent the point set surface as a linear combination of the variation modes, called a generative representation  ...  We use a modified smoothing method based on moving least squares (MLS) surface to produce the samples.  ...  We adopt this MLS surface based smoothing method to produce new shape samples for computing a set of variation modes for point set surfaces.  ... 
doi:10.2312/spbg/spbg05/063-069 fatcat:4gznanlrybekxnqnxyzf2jpxva

Quantized Point-Based Global Illumination

Bert Buchholz, Tamy Boubekeur
2012 Computer graphics forum (Print)  
Point-based global illumination (PBGI) uses a dense point sampling of the scene's surfaces to approximate indirect light transport and is intensively used in 3D motion pictures and special effects.  ...  Each point caches the reflected light using a spherical function and is typically used in a subsequent rasterization process to compute color bleeding and ambient occlusion in an economic, noise-free fashion  ...  c 2012 The Author(s) Computer Graphics Forum c 2012 The Eurographics Association and Blackwell Publishing Ltd.  ... 
doi:10.1111/j.1467-8659.2012.03135.x fatcat:pqy3i6hir5ednb6sozxhwcx75u

GPU-based parallel algorithm for computing point visibility inside simple polygons

Ehsan Shoja, Mohammad Ghodsi
2015 Computers & graphics  
Given a simple polygon P in the plane, we present a parallel algorithm for computing the visibility polygon of an observer point q inside P.  ...  The Experiments indicate that our algorithm can compute the visibility of a polygon having over 4M points in tenth of a second on an NVIDIA GTX 780 Ti GPU.  ...  Until 2006, using graphic chips for parallel computing was very difficult and required special techniques called general purpose computing on graphics processing units (GPGPU).  ... 
doi:10.1016/j.cag.2015.02.010 fatcat:uzkaafppqvacje4comcaulqlam

Efficient image reconstruction for point-based and line-based rendering

Ricardo Marroquim, Martin Kraus, Paulo Roma Cavalcanti
2008 Computers & graphics  
We address the problem of an efficient image-space reconstruction of adaptively sampled scenes in the context of point-based and linebased graphics.  ...  reconstruction offers an advantageous time complexity compared to surface splatting techniques and, in fact, our improved GPU implementation performs significantly better than splatting implementations for large point-based  ...  One solution would be to compute one RGBA image with depth data for polygon-based graphics and a second image for point-based and line-based graphics.  ... 
doi:10.1016/j.cag.2008.01.011 fatcat:agtfapmeprdrnb2rc4gnlbtjmy

A classification-based rendering method for point models

Haitao Zhang, Arie Kaufman
2007 Computers & graphics  
We present a classification-based high quality rendering method for large scenes with point-based models. Each model is represented by a uniformly sized point hierarchy.  ...  We propose a classification-based rendering algorithm to reduce the number of points rendered by the complicated splatting.  ...  Results We use a 3.59 GHz PC with an NVIDIA Quadro FX 4500 graphics card to conduct the experiments for our classification-based rendering for uniformly sized point hierarchies.  ... 
doi:10.1016/j.cag.2007.07.004 fatcat:g7cx6g4acbevzpyqz7wgmqz3ny
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