Abstract
Motivated by experience in building radiotherapy planning systems, this article is concerned with reducing the time taken to render a three dimensional data volume via volume rendering methods. The method described here reduces the render time by minimising the number of rays cast. This is achieved by an adaptation of the boundary fill algorithm used in two dimensional raster graphics with ray casting. Because ray casting occurs in an order dictated by the boundary fill algorithm, the approach will be called a boundary-fill guided ray cast (bfg-ray cast). This technique can also be used to isolate critical regions within the volume.
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© 1991 Springer-Verlag Tokyo
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Hall, P.M., Watt, A.H. (1991). Rapid Volume Rendering Using a Boundary-Fill Guided Ray Cast Algorithm. In: Patrikalakis, N.M. (eds) Scientific Visualization of Physical Phenomena. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68159-5_13
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DOI: https://doi.org/10.1007/978-4-431-68159-5_13
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-68161-8
Online ISBN: 978-4-431-68159-5
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