Showing papers in "IEEE Computer Graphics and Applications in 1985"
TL;DR: In this paper, four structures for representing topological information about objects are evaluated for sufficiency, efficiency, and ease of implementation in CAD/CAM applications, and four of them are compared.
Abstract: CAD/CAM applications need quick and easy access to topological information about objects. Here, four structures for representing this information are evaluated for sufficiency, efficiency, and ease of implementation.
380 citations
TL;DR: This straightforward 3-D display algorithm traverses voxels slice by slice to project each voxel on the screen, no surface detection or z-buffer is needed.
Abstract: This straightforward 3-D display algorithm traverses voxels slice by slice to project each voxel on the screen. No surface detection or z-buffer is needed.
258 citations
TL;DR: Computed tomography and the cuberiile model is an effort to better serve the medical profession and its patients.
Abstract: Computed tomography and the cuberiile model?an effort to better serve the medical profession and its patients.
229 citations
TL;DR: The polytree, a generalization of the octree data structure, retains most of the desirable features of theoctree structure while offering several advantages.
Abstract: The polytree, a generalization of the octree data structure, retains most of the desirable features of the octree structure while offering several advantages
151 citations
TL;DR: This research investigates how the design of pictures that are intended to show the viewer how to perform a series of tasks can be automated.
Abstract: How might we automate the design of pictures that are intended to show the viewer how to perform a series of tasks?
121 citations
TL;DR: This work speeds up the software in geometric algorithms for solid modeling, CAD/CAM, and robotics applications by using boundary data structures that are fast and use less storage.
Abstract: Speed up the software in geometric algorithms for solid modeling, CAD/CAM, and robotics applications. How? By using boundary data structures that are fast and use less storage.
117 citations
TL;DR: A general framework for real-time manipulation-of 3D objects from-medical data sets promises physicians a powerful new tool.
Abstract: A general framework for real-time manipulation-of 3D objects from-medical data sets promises physicians a powerful new tool.
95 citations
TL;DR: The method has been extended to include the modeling of nongeometric data and exotic applications are possible with this geometric modeling system because of the generality of its mathematical framework.
Abstract: Exotic applications are possible with this geometric modeling system because of the generality of its mathematical framework. The method has been extended to include the modeling of nongeometric data.
71 citations
TL;DR: Gain valuable insight into better geometric approaches to high- degree surface patches by studying the simple free-form Steiner patch.
Abstract: Gain valuable insight into better geometric approaches to high- degree surface patches by studying the simple free-form Steiner patch
71 citations
TL;DR: Ray tracing has always been a computational problem, but can it be improved?
Abstract: Ray tracing has always been a computational problem. Can it be improved?
67 citations
TL;DR: This survey of the philosophy underlying the unified parametric polynomial formalism for geometric modling suggests some novel applications and assesses the problems and advantages of the approach.
Abstract: This survey of the philosophy underlying the unified parametric polynomial formalism for geometric modling suggests some novel applications and assesses the problems and advantages of the approach.
TL;DR: A new technique that uses photogrammetry and computer graphics for the 3D display of cerebral blood vessels provides anatomic images for diagnosis and treatment planning.
Abstract: A new technique that uses photogrammetry and computer graphics for the 3D display of cerebral blood vessels provides anatomic images for diagnosis and treatment planning.
TL;DR: Artists who do not know how to program a computer can still make most of the scenes in a computer-generated film.
Abstract: Artists who do not know how to program a computer can still make most of the scenes in a computer-generated film.
TL;DR: Multiple windows, menus, and a mouse help students browse through a complex medical consulting database and view reasoning processes during a consultation.
Abstract: Multiple windows, menus,and a mouse help students browse through a complex medical consulting database and view reasoning processes during a consultation.
TL;DR: A Canadian feasibility study shows that the key to reliable and cost-effective automatic reading of drawings is detailed planning of an operator-assisted system.
Abstract: A Canadian feasibility study shows that the key to reliable and cost-effective automatic reading of drawings is detailed planning of an operator-assisted system.
TL;DR: The world of aviation flight simulation is an old one as computer graphics applications go, but how did it progress to its current state, and where is it going next?
Abstract: The world of aviation flight simulation is an old one as computer graphics applications go. How did it progress to its current state, and where is it going next?
TL;DR: A new display-system approach uses 3D animation to enhance the viewer's spatial perception of patient scan data.
Abstract: A new display-system approach uses 3D animation to enhance the viewer's spatial perception of patient scan data.
TL;DR: This Physial approach to the Euler Formula is demonstrated how different versions can be obtained and how they can be used in Boundary Geometric Modeling.
Abstract: This Physial Approach to the Euler Formula Demonstrates how Different version Can be in this article we demonstrates how different versions can be Obtained And how They Can Be Used in Boundary Geometric Modeling
TL;DR: Electro-optical stereo pair displays and alternating-pair displays are both viable methods for true 3-D representation of computer-generated images.
Abstract: Electro-optical stereo pair displays and alternating-pair displays are both viable methods for true 3-D representation of computer-generated images.
TL;DR: To understand the mechanisms responsible for behavior, neuroscientists need a holistic, 3D view of the brain.
Abstract: To understand the mechanisms responsible for behavior, neuroscientists need a holistic, 3D view of the brain
TL;DR: Current technology provides today's computer artists with the means to almost unlimited creativity, but pioneers in the field had to overcome some formidable obstacles.
Abstract: Current technology provides today's computer artists with the means to almost unlimited creativity, but pioneers in the field had to overcome some formidable obstacles.
TL;DR: Simpler equations and computationally more efficient algorithms make the Beta2-spline technique easier to understand and useful to the designer.
Abstract: Simpler equations and computationally more efficient algorithms make the Beta2-spline technique easier to understand and useful to the designer.
TL;DR: A new algorithm gives the user a quick method for describing solid geometry, in terms of two-dimensional outlines that are swept through space, using just a few lines of code.
Abstract: A new algorithm gives the user a quick method for describing solid geometry, in terms of two-dimensional outlines that are swept through space.
TL;DR: Data-exchange methods between geometric modeling systems have yet to be standardized, but this early attempt, while not ideal, appears to provide a good foundation for future efforts.
Abstract: Data-exchange methods between geometric modeling systems have yet to be standardized. This early attempt, while not ideal, appears to provide a good foundation for future efforts.
TL;DR: By generating a sequence of Euler operations, the algorithms presented here make it possible to convert octree models to a variety of boundary representation models.
Abstract: By generating a sequence of Euler operations, the algorithms presented here make it possible to convert octree models to a variety of boundary representation models.
TL;DR: With all the variations found in people's handprinting, can any input device read everything correctly?
Abstract: With all the variations found in people's handprinting, can any input device read everything correctly?
TL;DR: Since practical designing involves both ¿bottom-up¿ and ¿topdown¿ approaches, a CAD system should be able to cope with all types of data.
Abstract: Since practical designing involves both ?bottom-up? and ?topdown? approaches, a CAD system should be able to cope with all types of data.
TL;DR: This exhibition highlights the many effects generated by the simple laws of evolution in animation, as well as highlighting some of the more recent innovations.
Abstract: Why are innovations in animation so rare? Part of the answer is that animators have failed to explore the many effects generated by the simple laws of evolution.
TL;DR: A two-step contouring algorithm almost twice as fast as traditional algorithms for equal-accuracy contour lines is useful for CAD/CAM applications.
Abstract: A two-step contouring algorithm?almost twice as fast as traditional algorithms for equal-accuracy contour lines?is useful for CAD/CAM applications.
TL;DR: A popular and simple way of classifying animation systems is to distinguish between computer-assisted and modeled animation.
Abstract: Although the computer plays an ever increasing role in animation, the term ?computer animation? is imprecise and sometimes can be misleading, since the computer can play a variety of different roles. A popular and simple way of classifying animation systems is to distinguish between computer-assisted and modeled animation.