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- Richard Satherley, Mark W. Jones
- Computer Vision and Image Understanding
- 2001

This paper will examine the current chamfer and vector distance transforms for encoding objects as distance elds. A new vector distance transform is introduced which uses the city-block chamfer distance transform as a basis. Detailed error analysis using real CT data is presented demonstrating the improved accuracy the new approach gives over existing… (More)

- Richard Satherley, Mark W. Jones
- The Visual Computer
- 2001

This paper will examine hypertexture rendering techniques and will demonstrate how volume data sets may be adapted in order for hypertexture to be applied. Details are given of a process for the conversion of complex objects, such as CT scans, into accurate distance fields. Hypertexture is applied to these objects and example renderings include the UNC… (More)

- Mark W. Jones, Richard Satherley
- Shape Modeling International
- 2001

Voxelisation is the process of converting a source object of any data type into a three-dimensional grid of voxel values. This voxel grid should represent the original object as closely as possible, although some inaccuracies will occur due to the discrete nature of the voxel grid representation. In this paper we report our on-going research into methods… (More)

- Steve M. F. Treavett, Min Chen, Richard Satherley, Mark W. Jones
- Computer Graphics International
- 2001

This paper presents the design and implementation of artistic effects in modelling and rendering of volume datasets. Following different stages of a volume-based graphics pipeline, we examine various properties of volume data, and illustrate how expressive and non-photorealistic effects can be implemented. We demonstrate that the true 3D nature of volume… (More)

- Mark W. Jones, Richard Satherley
- VMV
- 2000

Voxelisation is the term given to the process of converting data from one source type into a three dimensional volume of data values. The techniques known collectively as volume visualisation can then be applied to the data in order to produce a graphical representation of the object. This paper gives a new practical approach to the voxelisation of data… (More)

Distance fields are a widely investigated area within the area of Volume Graphics. Research is divided between applications; such as – skeletonisation, hypertexture, voxelisation, acceleration of rendering techniques, correlation and collision detection; and the fundamental algorithmic calculation of the distance fields. This paper concentrates on the… (More)

- Richard Satherley, Mark W. Jones
- Volume Graphics
- 2001

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