Generalized View‐Dependent Simplification

El-Sana, Jihad; Varshney, Amitabh

doi:10.1111/1467-8659.00330

Cited by 124 publications

(98 citation statements)

References 23 publications

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“…The first two columns include the name and size of the tested models. The VDT and DM-VDT columns show the preprocessing time and memory requirements of the View-Dependence Tree [42] and the suggested DM-VDT, respectively. The total DM-VDT preprocessing time is less than that of the VDT, since the preprocessing of the DM-VDT begins with a control-mesh.…”

Section: Resultsmentioning

confidence: 99%

Displacement patches for view-dependent rendering

2011

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In this paper we present a new approach for interactive view-dependent rendering of large polygonal data sets which relies on advanced features of modern graphics hardware. Our preprocessing algorithm starts by generating a simplified representation of the input mesh. It then builds a multiresolution hierarchy for the simplified model. For each face in the hierarchy, it generates and assigns a displacement map that resembles the original surface represented by that face. At runtime, the multiresolution hierarchy is used to select a coarse view-dependent level-of-detail representation, which is sent to the graphics hardware. The GPU then refines the coarse representation by replacing each face with a planar tile, which is elevated according to the assigned displacement map. Our results show that our implementation achieves quality images at high frame rates.

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Section: Resultsmentioning

confidence: 99%

Displacement patches for view-dependent rendering

2011

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“…Existing multiresolution models differ in the type of mesh fragments they consider and in the way they define relations among such fragments. The reader is referred to the surveys [4,7,2] for a detailed description of multiresolution mesh representations.…”

Section: Multiresolutionmentioning

confidence: 99%

Multiresolution 3D Rendering on Mobile Devices

Serrá

Gaitán

Escrivá

et al. 2006

Computational Science – ICCS 2006

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Abstract. We present a client/server system that is able to display 3D scenes on handheld devices. At the server we extract the geometry that is visible for each client and send it. We also extract texture and material information. The clients, running on mobile devices, use that information to render realistic images. Our geometry extraction algorithm employs multiresolution and view-dependent simplification. We present results of our system running on PocketPC 2003 PDAs.

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“…One way to avoid such artifacts is to use dependencies [26,39]. In [12], we have introduced the concept of implicit dependencies that can test validity of edge collapse or vertex split in constant time. However, implicit dependencies rely on the existence of independent triangles that can be individually tagged.…”

Section: Determination Of Display Verticesmentioning

confidence: 99%

Efficiently computing and updating triangle strips for real-time rendering

El-Sana

Evans

Kalaiah

et al. 2000

Computer-Aided Design

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Triangle strips are a widely used hardware-supported data-structure to compactly represent and efficiently render polygonal meshes. In this paper we survey the efficient generation of triangle strips as well as their variants. We present efficient algorithms for partitioning polygonal meshes into triangle strips. Triangle strips have traditionally used a buffer size of two vertices. In this paper we also study the impact of larger buffer sizes and various queuing disciplines on the effectiveness of triangle strips. View-dependent simplification has emerged as a powerful tool for graphics acceleration in visualization of complex environments. However, in a view-dependent framework the triangle mesh connectivity changes at every frame making it difficult to use triangle strips. In this paper we present a novel data-structure, Skip Strip, that efficiently maintains triangle strips during such view-dependent changes. A Skip Strip stores the vertex hierarchy nodes in a skip-list-like manner with path compression. We anticipate that Skip Strips will provide a road-map to combine rendering acceleration techniques for static datasets, typical of retained-mode graphics applications, with those for dynamic datasets found in immediate-mode applications.

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Generalized View‐Dependent Simplification

Abstract: We propose a technique for performing view-dependent geometry and topology simplifications for level-of-detail

Cited by 124 publications

References 23 publications

Displacement patches for view-dependent rendering

Displacement patches for view-dependent rendering

Multiresolution 3D Rendering on Mobile Devices

Efficiently computing and updating triangle strips for real-time rendering

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