Mesh reduction with error control

Klein,; Liebich,; Strasser, G.

doi:10.1109/visual.1996.568124

Cited by 102 publications

(76 citation statements)

References 9 publications

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“…Models produced by icon inflation tend to be smooth making them viable candidates for well-established mesh reduction algorithms [9] if optimization is required.…”

Section: Discussionmentioning

confidence: 99%

Inflatable Icons: Diffusion-Based Interactive Extrusion of 2D Images into 3D Models

Repenning

2005

Journal of Graphics Tools

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There are many applications, such as rapid prototyping, simulations and presentations, where non-professional computer end-users could benefit from the ability to create simple 3D models. Existing tools are geared towards the creation of production quality 3D models by professional users with sufficient background, time and motivation to overcome steep learning curves. Inflatable Icons combine diffusion-based image extrusion with a number of interactively controllable parameters to allow end-users to efficiently design 3D objects. Early user testing has indicated that it takes end-users, even kids, just minutes to draw icons and then use the Inflatable Icons approach to create 3D models which they can use to build video games.

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“…Models produced by icon inflation tend to be smooth making them viable candidates for well-established mesh reduction algorithms [9] if optimization is required.…”

Section: Discussionmentioning

confidence: 99%

Inflatable Icons: Diffusion-Based Interactive Extrusion of 2D Images into 3D Models

Repenning

2005

Journal of Graphics Tools

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“…Other algorithms assume that the input model is a valid mesh. Algorithms based on vertex removal [4,5] and local error metrics have been proposed by [6][7][8][9][10]. Cohen et al [11] and Eck et al [12] have presented algorithms that preserve topology and use a global error bound.…”

Section: Geometric Levels-of-detailmentioning

confidence: 99%

Appearance-preserving simplification

Cohen

Olano

Manocha

1998

Proceedings of the 25th Annual Conference on Computer Graphics and Interactive Techniques - SIGGRAPH '98

310

216

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We present a new algorithm for appearance-preserving simplification. Not only does it generate a low-polygon-count approximation of a model, but it also preserves the appearance. This is accomplished for a particular display resolution in the sense that we properly sample the surface position, curvature, and color attributes of the input surface. We convert the input surface to a representation that decouples the sampling of these three attributes, storing the colors and normals in texture and normal maps, respectively. Our simplification algorithm employs a new texture deviation metric, which guarantees that these maps shift by no more than a user-specified number of pixels on the screen. The simplification process filters the surface position, while the runtime system filters the colors and normals on a per-pixel basis. We have applied our simplification technique to several large models achieving significant amounts of simplification with little or no loss in rendering quality.

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“…For our purposes it is most important to conserve the silhouette of the object. We believe that the best approach would be to minimize the two-sided Haussdorff distance as proposed in [16]. But so far we did not find an algorithm which is fast enough.…”

Section: Filter Level Generationmentioning

confidence: 99%

Multiresolution rendering with displacement mapping

Gumhold

Hüttner

1999

Proceedings of the ACM SIGGRAPH/EUROGRAPHICS Workshop on Graphics Hardware

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In this paper, we present for the first time an approach for hardware accelerated displacement mapping. The displaced surface is generated from a 2D displacement map by remeshing a coarse triangle mesh according to the screen projection of the surface. The remeshing algorithm is implemented in hardware. Filtered access to the displacement map makes our approach competitive with available view dependent multiresolution techniques. The advantage of displacement mapping is the compact representation. A displacement mapped surface consumes together with all filter levels only a fraction of the storage space needed for a hardware compatible representation of an equivalent triangle mesh.A possible design of the displacement mapping rendering pipeline is proposed. Previously described hardware components are used as often as possible. Our approach can be smoothly integrated into all available graphics application programming interfaces. Most existing graphics applications can be extended to the new feature with marginal effort.

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Mesh reduction with error control

Cited by 102 publications

References 9 publications

Inflatable Icons: Diffusion-Based Interactive Extrusion of 2D Images into 3D Models

Inflatable Icons: Diffusion-Based Interactive Extrusion of 2D Images into 3D Models

Appearance-preserving simplification

Multiresolution rendering with displacement mapping

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