A New Ray Casting Algorithm Based on an Adjustable Threshold and Error Controlling

Dong Hai Ji; Yan Jun Peng; Wen Juan Wang

doi:10.4028/www.scientific.net/AMR.811.575

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 811A New Ray Casting Algorithm Based on an Adjustable...

A New Ray Casting Algorithm Based on an Adjustable Threshold and Error Controlling

Abstract:

Volume rendering is an important visualization technique that can accurately display the interior information of data. The Ray-casting algorithm is simple and easy to realize, which often apply to area needs high quality resulting image. The new algorithm in this paper uses a spherical bounding box to remove useless rays, an adjustable threshold to skip the empty voxels and avoid unnecessary interpolation computing. To further accelerate the rendering speed, an adjustable error is set to change interpolation types. Experiment proves that the new algorithm effectively accelerates the rendering speed and guarantees the rendering quality.

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Periodical:

Advanced Materials Research (Volume 811)

Pages:

575-580

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.811.575

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Online since:

September 2013

Authors:

Dong Hai Ji, Yan Jun Peng, Wen Juan Wang

Keywords:

Interpolation, Ray-Casting, Threshold, Volume Rendering

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