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Point-based Computer graphics

Matthias Zwicker, Mark Pauly
2004 Computers & graphics  
• Scan conversion of geometry Point-Based Computer Graphics Your Name 34 Aliasing in Computer Graphics • Aliasing: high frequencies in the input signal appear as low frequencies in the reconstructed  ...  Computer Graphics Your Name 23 • Project surfel discs from object to screen space • Projecting discs results in ellipses in screen space • Ellipses adapt to the surface orientation screen space  ...  Projecting the Point www.pointshop3D.com  ... 
doi:10.1016/j.cag.2004.08.008 fatcat:amdvmlgndreupab2556sxdvzbe

Sense and sidedness in the graphics pipeline via a passage through a separable space

Sherif Ghali
2008 The Visual Computer  
Computer graphics is ostensibly based on projective geometry.  ...  The graphics pipeline-the sequence of functions applied to 3D geometric primitives to determine a 2D image-is described in the graphics literature as taking the primitives from Euclidean to projective  ...  Introduction Graphics textbooks describe the data types of computer graphics as those of projective geometry: The homogeneous coordinates [21, 20, 19, 14, 3, 5, 16] of a point and of a plane as well  ... 
doi:10.1007/s00371-008-0302-4 fatcat:v6g2plqatjc7rmxsvvac2pzhde

The Integration of Graphic Disciplines in Civil Engineering Courses through Computer Graphics

Gisele L. de Carvalho, Ana C. R. Cavalcanti, Flávio A. M. de Souza, Letycia V. P. da Silva
2017 Journal of Mechanics Engineering and Automation  
This paper presents the partial results of a project in progress that aims to improve the teaching and learning of Graphic Geometry modules taught in Engineering and Civil Engineering courses at the Federal  ...  model across these disciplines from the use of specific computer graphic softwares.  ...  When we asked students about what could be improved, in Tridimensional Graphic Geometry after the improvement of the workbook, the use of computational resources to assist visualization appeared in second  ... 
doi:10.17265/2159-5275/2017.02.006 fatcat:26553ni43jdbvcayfitv7ab3z4

FEATURES OF TEACHING ENGINEERING AND COMPUTER GRAPHICS

Karimjon Kuranbaevich Polotov, Fergana Polytechnic Institute, Islomjon Xakimjon o'g'li Toxirov, Fergana Polytechnic Institute
2020 Theoretical & Applied Science  
The discipline consists of three modules "Drawing geometry," "Engineering graphics," "Computer graphics."  ...  The teaching section of computer graphics focuses on the use of the graphic editor Auto CAD to form the professional qualities of future specialists.  ...  In the mid-60s of the last century, a new section appeared in engineering graphics -computer (machine graphics) graphics, which is based on the theory of sketchy geometry and the basics of engineering  ... 
doi:10.15863/tas.2020.06.86.106 fatcat:2ey477mwhnhjxo4pbsi5tm6eta

Computational Geometry Education for Computer Graphics Students [article]

Ivana Kolingerová
2007 Eurographics State of the Art Reports  
The paper surveysmain features of computational geometry and presents an argumentation that a course oriented to the applied computational geometry should be a part of computer graphics curriculum as it  ...  A possible contents of the course and forms suitable and interesting for computer graphics students are discussed. The students' feedback for such a course has been mostly positive.  ...  For these reasons, computational geometry is in many cases a part of the computer graphics undergraduate and graduate study.  ... 
doi:10.2312/eged.20071010 fatcat:iwrpuijgxngerguemjpvqazq44

Re-inventing the introductory computer graphics course: providing tools for a wider audience

Steve Cunningham
2000 Computers & graphics  
Computer graphics and similar subjects are expected to play a larger role in undergraduate computer science in the future [CUN 98], and this is being discussed in the ACM/IEEE Curriculum 2001 project.  ...  In the last few years the approach to teaching this course has changed to take advantage of more powerful graphics tools.  ...  lives will require continual use of computer graphics.  ... 
doi:10.1016/s0097-8493(99)00164-8 fatcat:hrj2sqbsdzhvhn65ee4nkhb67i

Fast computer graphics rendering for full parallax spatial displays

Michael W. Halle, Adam B. Kropp, Stephen A. Benton, T. John Trout
1997 Practical Holography XI and Holographic Materials III  
In contrast, the method described here uses scanline-based computer graphics techniques.  ...  The described implementation uses the widely available OpenGL™ graphics library and takes advantage of acceleration by computer graphics hardware subsystems.  ...  ACKNOWLEDGEMENTS The work in this paper has been funded by the Honda R&D Company, International Business Machines, and Nippon Electric Company.  ... 
doi:10.1117/12.271343 fatcat:7hok7oi7bnfnhpgrkf74p3xdiq

Accelerated epipolar geometry computation for 3D reconstruction using projective texturing

Rui Rodrigues, Ant�nio Ramires Fernandes
2004 Proceedings of the 20th spring conference on Computer graphics - SCCG '04  
Projective texturing will be used to transfer a significant part of the computational load from the CPU into the GPU.  ...  Usability of these methods is directly related to their response time. Epipolar geometry, a fundamental tool used in 3D reconstruction, is commonly computed on the CPU.  ...  Using projective texturing for epipolar geometry related computations, a significant amount of the computational load is transferred from the CPU to the GPU.  ... 
doi:10.1145/1037210.1037241 dblp:conf/sccg/RodriguesF04 fatcat:5nmq436oardwxipokv7rhtofny

GL4D: A GPU-based Architecture for Interactive 4D Visualization

A. Chu, Chi-Wing Fu, A. Hanson, Pheng-Ann Heng
2009 IEEE Transactions on Visualization and Computer Graphics  
Previous CPU implementations of the rendering of 4D-embedded 3-manifolds could not perform either the 4D depth-buffered projection or manipulation of the volumerendered image in real-time; in particular  ...  It is a tetrahedron-based rendering pipeline that projects geometry into volume images, an exact parallel to the conventional triangle-based rendering pipeline for 3D graphics.  ...  This research was supported in part by MOE AcRF Tier1 Grant (RG 13/08) and NSF-0430730.  ... 
doi:10.1109/tvcg.2009.147 pmid:19834237 fatcat:alw6xujgyndjfkbsdtxwaxyhhi

Surface Modeling in the Course of Engineering Graphics

Tatiana Markova, Andrey Bochkov, Mikhail Kokorin, Tatiana Nikitina
2020 Proceedings of the 30th International Conference on Computer Graphics and Machine Vision (GraphiCon 2020). Part 2  
The ability to identify the surface type, its generation process and consequently to choose the optimal modeling is acquired in the descriptive geometry course, as well as engineering graphics and computer  ...  graphics courses.  ...  Russian system CAD KOMPAS-3D is used here to consider the basic operations of computer surface modeling, it being most widely used in courses of descriptive geometry in engineering departments of Russian  ... 
doi:10.51130/graphicon-2020-2-3-55 fatcat:wxob2yk6xzapflgqcgov5a66wi

Stereo orthogonal axonometric perspective for the teaching of Descriptive Geometry

José Geraldo Franco Méxas, Karla Bastos Guedes, Ronaldo da Silva Tavares
2015 Interactive Technology and Smart Education  
The representation of figures in mongean projection (double system planned orthographic projection used in the studies of Descriptive Geometry), specially when placed in a particular situation in relation  ...  The binocular or stereo perspective is necessary for the improvement of students' spatial reasoning. For this, stereo visualization programs used in computer graphics can be used.  ...  in computer graphics.  ... 
doi:10.1108/itse-09-2014-0027 fatcat:b2pgppgx5jbmrfvihtfjckd4xy

On the algebraic and geometric foundations of computer graphics

Ron Goldman
2002 ACM Transactions on Graphics  
Paradoxically, however, projective spaces and homogeneous coordinates are incompatible with much of the algebra and a good deal of the geometry currently in actual use in computer graphics.  ...  Yet we shall see in this article that projective spaces and homogeneous coordinates are incompatible with much of the algebra and a good deal of the geometry currently in actual use in computer graphics  ...  INTRODUCTION Projective geometry was first introduced into computer graphics in Roberts [1965] .  ... 
doi:10.1145/504789.504792 fatcat:qlb4niq4wzf47koaq5upkzmmdy

The Geometry Engine

James H. Clark
1982 Proceedings of the 9th annual conference on Computer graphics and interactive techniques - SIGGRAPH '82  
The Geometry Engine [1] is a special-purpose VLSI processor for computer graphics.  ...  It presents the instruction set of the system, its design motivations and the Geometry System architecture.  ...  Geometry System Functions The Geometry System [2] is designed for high-performance, low-cost, floating-point geometric computation in computer graphics applications.  ... 
doi:10.1145/800064.801272 dblp:conf/siggraph/Clark82 fatcat:zhwxhntwmnfebmvdpdaofyostm

The Geometry Engine

James H. Clark
1982 Computer graphics  
The Geometry Engine [1] is a special-purpose VLSI processor for computer graphics.  ...  It presents the instruction set of the system, its design motivations and the Geometry System architecture.  ...  Geometry System Functions The Geometry System [2] is designed for high-performance, low-cost, floating-point geometric computation in computer graphics applications.  ... 
doi:10.1145/965145.801272 fatcat:7xdimjhjtbfpvmt4tgjlfncngq

Speed up of an analytical algorithm for nonuniform attenuation correction by using PC video/graphics card architecture

J. Wen, Zigang Wang, Bin Li, Tianfang Li, Zhengrong Liang
2004 IEEE Transactions on Nuclear Science  
The artifacts were remarkably reduced when more projections were sampled to mitigate the problem of wide bandwidth of the discrete Hilbert transform.  ...  In this work, we proposed a fast implementation method, which includes algorithm optimization and acceleration by the texture-mapping architecture of PC graphics/video card.  ...  Texture mapping was a well-developed tool in the computer graphics field in the 1980s [16] .  ... 
doi:10.1109/tns.2004.829788 fatcat:bkn7jcufxfhrzkih2nyqz7ji6q
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