Dynamic particle coating

Habibi, Arash; Luciani, Annie

doi:10.1109/tvcg.2002.1044523

Cited by 2 publications

(2 citation statements)

References 18 publications

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“…The environment is constituted by a surface with a physical behavior : the "Dynamic Phyxels Field" [2], [4] ("Phyxel" is a contraction of "physical element"). This surface is computed on GPU to obtain real-time simulation [1].…”

Section: Tracksmentioning

confidence: 99%

“…On a different scale than Faria Lopes et al, Habibi et al [2] goal is not to implement a new pinscreen method but to use this engraving metaphor, called "Dynamic Particle Coating Method" (DPCM), in order to solve a part of the problem of particle models visualization. We generalize this method to obtain the Dynamic Phyxels Field method (DPF).…”

Section: Dynamic Phyxels Fieldmentioning

confidence: 99%

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Somnambule

Sillam

Luciani

2009

Proceedings of the 17th ACM International Conference on Multimedia

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Session "Interactive art program track 3: visual"International audience" Somnambule " is a global instrument which produces sound and picture, generated by a gesture - more precisly the pianistic gesture. The sound has its source in two different worlds : the real world for the sound of piano, and the virtual world for the synthetic sounds. The video derives directly from the dynamic of the pianistic gesture, where a character evolves, visible only by the tracks of his movement into a surface. This surface is a "dynamic pinscreen" which has a physical behavior computed in real time on GPU. This work illustrates the difference between the two worlds : the real and the virtual. The two have not the same constraints. Overall, the gesture dynamic is the origin of the sound dynamic and the picture dynamic

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Section: Tracksmentioning

confidence: 99%

Section: Dynamic Phyxels Fieldmentioning

confidence: 99%

Somnambule

Sillam

Luciani

2009

Proceedings of the 17th ACM International Conference on Multimedia

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Active Shape Modeling with Electric Flows

Chang

Valentino²,

Chu³

2010

IEEE Trans. Visual. Comput. Graphics

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Physics-based particle systems are an effective tool for shape modeling. Also, there has been much interest in the study of shape modeling using deformable contour approaches. In this paper, we describe a new deformable model with electric flows based upon computer simulations of a number of charged particles embedded in an electrostatic system. Making use of optimized numerical techniques, the electric potential associated with the electric field in the simulated system is rapidly calculated using the finite-size particle (FSP) method. The simulation of deformation evolves based upon the vector sum of two interacting forces: one from the electric fields and the other from the image gradients. Inspired by the concept of the signed distance function associated with the entropy condition in the level set framework, we efficiently handle topological changes at the interface. In addition to automatic splitting and merging, the evolving contours enable simultaneous detection of various objects with varying intensity gradients at both interior and exterior boundaries. This electric flows approach for shape modeling allows one to connect electric properties in electrostatic equilibrium and classical active contours based upon the theory of curve evolution. Our active contours can be applied to model arbitrarily complicated objects including shapes with sharp corners and cusps, and to situations where no a priori knowledge about the object's topology and geometry is made. We demonstrate the capabilities of this new algorithm in recovering a wide variety of structures on simulated and real images in both 2D and 3D.

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Dynamic particle coating

Cited by 2 publications

References 18 publications

Somnambule

Somnambule

Active Shape Modeling with Electric Flows

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