Abstract
Different Direct Volume Rendering techniques (DVR) are introduced in the literature. The most important is the Ray Casting (RC) approach [1–2], the forward projection approach [3–4], the splatting algorithm [5], and the 3D texture mapping based projection technique [6]. In this chapter, we focus on the RC approach, since it is so far the only approach which enables adjustable sampling in all dimensions, perspective projections, and gray-level gradients. Although there are several improvements for splatting [7–8] and for texture mapping-based volume rendering [9], the overall quality and generality is not yet comparable to RC.
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© 2000 Springer-Verlag London
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Bartz, D., Meißner, M. (2000). Voxels versus Polygons: A Comparative Approach for Volume Graphics. In: Chen, M., Kaufman, A.E., Yagel, R. (eds) Volume Graphics. Springer, London. https://doi.org/10.1007/978-1-4471-0737-8_10
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DOI: https://doi.org/10.1007/978-1-4471-0737-8_10
Publisher Name: Springer, London
Print ISBN: 978-1-85233-192-4
Online ISBN: 978-1-4471-0737-8
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