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Faster shading by equal angle interpolation of vectors.
IEEE Trans Vis Comput Graph. 2004 Mar-Apr; 10(2):217-23.IT

Abstract

In this paper, we show how spherical linear interpolation can be used to produce shading with a quality at least similar to Phong shading at a computational effort in the inner loop that is close to that of the Gouraud method. We show how to use the Chebyshev's recurrence relation in order to compute the shading very efficiently. Furthermore, it can also be used to interpolate vectors in such a way that normalization is not necessary, which will make the interpolation very fast. The somewhat larger setup effort required by this approach can be handled through table look up techniques.

Authors+Show Affiliations

Barrera T
Barrera Kristiansen AB, Granitvagen 12 B, SE-75243, Uppsala, Sweden. tony.barrera@spray.se
Hast A
No affiliation info available
Bengtsson E
No affiliation info available

MeSH

AlgorithmsComputer GraphicsComputer SimulationImage EnhancementImage Interpretation, Computer-AssistedImaging, Three-DimensionalInformation Storage and RetrievalNumerical Analysis, Computer-AssistedOnline SystemsPattern Recognition, AutomatedReproducibility of ResultsSensitivity and SpecificitySignal Processing, Computer-AssistedUser-Computer Interface

Pub Type(s)

Comparative Study
Evaluation Study
Journal Article
Validation Study

Language

eng

PubMed ID

15384646

Citation

Barrera, Tony, et al. "Faster Shading By Equal Angle Interpolation of Vectors." IEEE Transactions On Visualization and Computer Graphics, vol. 10, no. 2, 2004, pp. 217-23.
Barrera T, Hast A, Bengtsson E. Faster shading by equal angle interpolation of vectors. IEEE Trans Vis Comput Graph. 2004;10(2):217-23.
Barrera, T., Hast, A., & Bengtsson, E. (2004). Faster shading by equal angle interpolation of vectors. IEEE Transactions On Visualization and Computer Graphics, 10(2), 217-23.
Barrera T, Hast A, Bengtsson E. Faster Shading By Equal Angle Interpolation of Vectors. IEEE Trans Vis Comput Graph. 2004 Mar-Apr;10(2):217-23. PubMed PMID: 15384646.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Faster shading by equal angle interpolation of vectors. AU - Barrera,Tony, AU - Hast,Anders, AU - Bengtsson,Ewert, PY - 2004/9/24/pubmed PY - 2004/10/20/medline PY - 2004/9/24/entrez SP - 217 EP - 23 JF - IEEE transactions on visualization and computer graphics JO - IEEE Trans Vis Comput Graph VL - 10 IS - 2 N2 - In this paper, we show how spherical linear interpolation can be used to produce shading with a quality at least similar to Phong shading at a computational effort in the inner loop that is close to that of the Gouraud method. We show how to use the Chebyshev's recurrence relation in order to compute the shading very efficiently. Furthermore, it can also be used to interpolate vectors in such a way that normalization is not necessary, which will make the interpolation very fast. The somewhat larger setup effort required by this approach can be handled through table look up techniques. SN - 1077-2626 UR - https://www.unboundmedicine.com/medline/citation/15384646/Faster_shading_by_equal_angle_interpolation_of_vectors_ DB - PRIME DP - Unbound Medicine ER -