| W. T. Reeves. Particle system-a technique for modeling a class of fuzzy objects. Proceedings of SIGGRAPH, 17(3):359--376, July 1983. |
....visual quality) forest rendering is often a problem where rendering without visual degradation is not possible so the goal is to get the highest possible visual quality at a specified frame rate. 20 CHAPTER 3. PREVIOUS WORK 3. 3 Other relevant work Particle systems First described in 1983 [Ree83], particle systems today belong to the most important techniques within both real time and prerendered graphics. Particle systems stochastically create minute particles in controlled ways. These particles then follow some defined set of rules (often based on the laws of physics) until their ....
....software has not yet used particle systems for forest rendering, though particle systems are commonly used for other purposes. Ground vegetation Rendering of grass is one field that has received much attention, much of it because of its close resemblance with the rendering of fur. Reeves [Ree83] showed how particle systems could be used to create realistic grass, however, rendering whole fields of grass in real time using this approach is not possible yet. Currently, the most widely used way to render fields of grass (in ways more realistic than just texturing the ground) is probably by ....
W. T. Reeves. Particle systems - a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics, 2(2):91--108, April 1983.
....vortex confinement to the graphics field. Among all these natural phenomena, fire is believed to be the most difficult to describe, since we do not have a complete understanding of fire and its complexity. Numerous studies have been conducted to describe different aspects of the behavior of fire [1, 3, 12, 17, 18, 19, 20]. Nielsen [16] has given a good survey of the visualization and modeling of fire. Among the early works, Perlin and Hoffert [17, 18] have presented a noise based method to model Email:#wxiaomin, liwei, mueller, ari# cs.sunysb.edu 2D and 3D fire, where the turbulence movement is achieved by a ....
....model Email:#wxiaomin, liwei, mueller, ari# cs.sunysb.edu 2D and 3D fire, where the turbulence movement is achieved by a fractal perturbation. However, this procedural method constrains the viewpoint position and it cannot describe external effects, such as wind and spread over terrain. Reeves [20] was the first to use particle systems to model fire. In the film Star Trek II: The Wrath of Khan, the wall of fire element was generated using a two level hierarchy of particle systems. The top level system was centered at the impact point of the genesis bomb, generating particles which were ....
W. T. Reeves. Particle system-a technique for modeling a class of fuzzy objects. Proceedings of SIGGRAPH, 17(3):359--376, July 1983.
....the computational workload. Keywords Particle systems, physical modeling, physically based animation, fluid dynamics INTRODUCTION Particle systems have been used for computer graphics for decades. During this time minor changes have been made to the fundamental paradigm laid out by Reeves [Ree83]. The classical particle system has particle sources, particles, and forces that affect the particles. Traditional particle systems have several problems due to their overall architecture. Animations made with classical particle systems tend to be rather static the particles fly around the ....
Reeves W. T., Particle Systems - A Technique for Modeling a Class of Fuzzy Objects, Computer Graphics 17:3 pp. 359-376, 1983
....objects are an important research area in computer graphics. Along the years, a lot of different methods have already been proposed to simulate this kind of objects. Here, we divide this models in 3 categories: particle systems, geometric deformation methods and physically based methods. In [26], Reeves proposed for the first time in Computer Graphics a particle system to represent natural phenomena. His particles are sets of moving points under the influence of external forces and without interaction between them. More recently, some other works propose the use of oriented particles to ....
Reeves, W. T. "Particle systems: a technique for modeling a class of fuzzy objects", ACM Transactions and Graphics, v. 2, n. 2, 1983.
....exist: Points [35] 0 dimensional surface point samples with a color and possibly a normal . Splats [67] Surface point samples with a color, a normal and a local variance matrix . Volume samples [30] Samples of a volume density field, often arranged as a regular 3D grid . Particles [51]. Dynamic volume samples used for modeling various fuzzy phenomena including fire and splashes of water . Image Based Rendering primitives. Images, depth images (DIs) 47] and layered depth images (LDIs) 55] contain color samples, which are usually regularly spaced. Depth information is ....
William T. Reeves. Particle systems - a technique for modeling a class of fuzzy objects. Computer Graphics (Proceedings of SIGGRAPH 83), 17(3):359--376, July 1983.
....in many small participating media, or to cover them by a voxel grid. Methods [4, 5, 27] using voxel grids could simulate precisely the light exchanges in an area but are very slow. Blobs, each representing a small participating medium, can be used to speed up computation time. Several algorithms [20, 27, 23] use them to allow a fast rendering of located participating media like fire and smoke. In this paper, we focus on single scattering and propose a new real time rendering algorithm allowing the representation of a scene covered entirely by an anisotropic participating medium. Based on a new ....
W.T. Reeves. Particle Systems - A Technique for Modeling a Class of Fuzzy Objects. Computer Graphics, proceeding of SIGGRAPH'83, vol. 17(3), pp. 359--376, July 1983.
....out in a natural and user friendly way, exactly like during clayworks. Many research works have been carried out on simulation of such deformations using physical laws: Finite Element method [Pen89] Wie97] Deb00] methods based on elasticity theory [Deb00] Ter88] Don01] particle systems [Ree83] [Des96] etc. So far, none of these methods allows real time interaction with the user : they require much too long computation time for complex shapes and are not suitable for human interaction. Some researches are undergoing on volume sculpting in a 3D virtual space. The idea is to use a ....
W. T. REEVES. Particle systems -- a technique for modeling a class of fuzzy objects. In Computer Graphics, pages 359--376, 1983.
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W. T. Reeves. Particle system-a technique for modeling a class of fuzzy objects. Proceedings of SIGGRAPH, 17(3):359--376, July 1983.
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W. T. Reeves. Particle system-a technique for modeling a class of fuzzy objects. Proceedings of SIGGRAPH, 17(3):359--376, July 1983.
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REEVES, W. T. 1983. Particle system - a technique for modeling a class of fuzzy objects. Proceedings of SIGGRAPH 1983 17, 3, 359--376.
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W.T. Reeves, "Particle System---A Technique for Modeling a Class of Fuzzy Objects," Proc. SIGGRAPH, vol. 17, no. 3, pp. 359-376, July 1983.
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W.T. Reeves. Particle systems --- a technique for modeling a class of fuzzy objects. Computer Graphics, 17(3):359--376, July 1983.
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W. T. Reeves. Particle systems - a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics, 2(2):91--108, April 1983.
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W. T. Reeves, Particle systems - A technique for modeling a class of fuzzy objects. SIGGRAPH 83 Comp. Graphics 17(3), 359-376 (1983).
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REEVES W. T., "Particle systems: a technique for modeling a class of fuzzy objects ", Proceedings of SIGGRAPH'83, Computer Graphics, 1983, p. 359-376.
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W. T. Reeves. Particle systems: a technique for modeling a class of fuzzy objects. In Proceedings of SIGGRAPH'83, pages 359--376. Computer Graphics, 1983.
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W T Reeves. Particle systems --- a technique for modeling a class of fuzzy objects. Computer Graphics, 17(3):359--376, 1983.
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W. Reeves. "Particle Systems -- A Technique for Modeling a Class of Fuzzy Objects". ACM Transactions on Graphics, Vol. 2, No. 2. April 1983. ACM.
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REEVES, W. T. 1983. Particle systems - a technique for modeling a class of fuzzy objects. In Computer Graphics (Proceedings of SIGGRAPH 83), 17(3), 359--376.
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W.T. Reeves, "Particle System---A Technique for Modeling a Class of Fuzzy Objects," Proc. SIGGRAPH, vol. 17, no. 3, pp. 359-376, July 1983.
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REEVES W. T.: PARTICLE Systems - A Technique for Modeling a Class of Fuzzy Objects. In ACM Transactions on Graphics (April 1983), vol. 2, pp. 91--108. 1
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W. T. Reeves, "Particle systems - a technique for modeling a class of fuzzy objects," ACM Transactions of Graphics,vol.2, no. 2, pp. 91--108, April 1983.
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W.T. Reeves. "Particle systems -- A technique for modeling a class of fuzzy objects." Computer Graphics ( Proc. SIGGRAPH 83), 17(3):359-376 (1983).
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W.T. Reeves, "Particle systems - a technique for modeling a class of fuzzy objects", Computer Graphics 17(3), 1983, pp. 359--376.
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W. T. Reeves. Particle systems --- A technique for modeling a class of fuzzy objects. Computer Graphics, 17(3):359--376, July 1983.
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REEVES W. T.: Particle systems - a technique for modeling a class of fuzzy objects. In Computer Graphics (Proc. of SIGGRAPH 83) (1983), vol. 17, pp. 359--376.
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Reeves W T, `Particle systems -- a technique for modeling a class of fuzzy objects', ACM Transactions on Graphics, 2(2):91-108, 1983
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W. T. Reeves. Particle Systems --- A Technique for Modeling a Class of Fuzzy Objects. In Computer Graphics (Proc. SIGGRAPH), pages 359--376, 1983.
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Reeves, W., Particle Systems - A Technique for Modeling a Class of Fuzzy Objects, in Computer Graphics (Proceedings of SIGGRAPH 83), volume 17, pp. 359--376, ACM, 1983.
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W.T. Reeves, "Particle Systems---A Technique for Modeling a Class of Fuzzy Objects," Computer Graphics, vol. 17, pp. 359-376, 1983.
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W. T. Reeves. Particle systems - a technique for modeling a class of fuzzy objects. In Proceedings of SIGGRAPH, pages 359--376, 1983.
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W. T. Reeves. Particle systems: A technique for modeling a class of fuzzy objects. In Computer Graphics, pages 59--376. ACM Siggraph, July 1983
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W. T. Reeves, Particle Systems - A Technique for Modeling a Class of Fuzzy Objects, Computer Graphics, vol. 17, no. 3, pp 359-376, 1983.
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W. T. Reeves. Particle systems --- A technique for modeling a class of fuzzy objects. Computer Graphics, 17(3):359-- 376, July 1983.
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W. T. Reeves. Particle systems--a technique for modeling a class of fuzzy objects. In Proc. ACM SIGGRAPH 1983.
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W. T. Reeves. Particle systems --- a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics 2(2), pages 91--108, 1983. 8 M. Muller et al.
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W. T. Reeves. Particle systems --- a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics 2(2), pages 91--108, 1983.
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W. T. Reeves. Particle systems -- a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics, 2:91--108, April 1983.
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W. T. Reeves. Particle systems - a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics, 2(2):91--108, April 1983.
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Reeves W T, `Particle systems -- a technique for modeling a class of fuzzy objects', ACM Transactions on Graphics, 2(2):91-108, 1983
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W.T. Reeves. Particle systems -- A technique for modeling a class of fuzzy objects. ACM Trans. on Graphics, 2:91-- 108, Apr. 1983.
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W. T. Reeves. Particle systems --- a technique for modeling a class of fuzzy objects. ACM Transactions on Graphics 2(2), pages 91--108, 1983.
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W. T. Reeves. "Particle Systems. A Technique for Modeling a Class of Fuzzy Objects". ACM Computer Graphics (SIGGRAPH'83), vol. 17, n. 3, July 1983, pp. 359-376.
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W. T. Reeves. Particle systems-a technique for modeling a class of fuzzy objects. In SIGGRAPH '83 Conference Proceedings, pages 359--376, July 1983.
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William T. Reeves, "Particle Systems - A Technique for Modeling a Class of Fuzzy Objects", SIGGRAPH '83 Proceedings, pp. 359-376
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Reeves, William. Particle Systems - A Technique for Modeling a Class of Fuzzy Objects. Proceedings of SIGGRAPH'83 (Detroit, Michigan, July 25-29,
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W. T. Reeves, "Particle systems-a technique for modeling a class of fuzzy objects," in SIGGRAPH '83 Conference Proceedings, July 1983, pp. 359-- 376.
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W. T. Reeves, "Particle Systems -- a Technique for Modeling a Class of Fuzzy Objects," ACM Trans. Graphics, Vol. 2, April, 1983, pp. 91-108.
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W. T. Reeves, Particle Systems - A Technique for Modeling a Class of Fuzzy Objects. Computer Graphics, vol. 17, no. 3, pp 359-376, 1983.
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W. Reeves. "Particle Systems - A Technique for Modeling a Class of Fuzzy Objects". Proc. SIGGRAPH'83, Computer Graphics, v.2, n.2. July, 1983.
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