PANINI PROJECTION EFFECT AS MEANS OF REDUCING PERSPECTIVE DISTORTIONS
Abstract
The method based on Panini projection to reduce perspective distortions of images with wide viewing angle is considered. The analysis of the features of construction of Panini projection is provided. A realization of the effect on the graphic accelerators as a result of post-processing is proposed. The results of using the described effect in computer graphics were obtained. A comparison of images in the perspective projection and Panini projection was carried out. It is shown that perspective projection of a three-dimensional scene onto the surface of a parabolic cylinder reduces distortions.
About the Authors
P. A. KachanovUkraine
A. A. Zuev
Ukraine
K. N. Yatsenko
Ukraine
References
1. Качанов, П. А. Анализ восприятия пространства в проекции Панини и ее применение в компьютерной графике / П. А. Качанов, А. А. Зуев, К. Н. Яценко // Восточно¬Европейский журнал передовых технологий. – 2015. – Т. 4, № 2(76). – С. 36–43.
2. Bayarri, S. Computing Non-Planar Perspectives in Real Time / S. Bayarri // Computers & Graphics. – 1995. – Vol. 19, № 3. – P. 431–440.
3. Barr, A. H. Ray Tracing Deformed Surfaces / A. Barr // ACM SIGGRAPH Computer Graphics. – 1986. Vol. 20, № 4. – P. 287–296.
4. Bourke, P. Computer Generated Angular Fisheye Projections / P. Bourke // Home page [Electronic resource]. – 2011. – Mode of access:http://paulbourke.net/dome/fisheye/. – Date of access: 01.08.2015.
5. Yang, Y. Nonlinear Projection: Using Deformations in 3D Viewing / Y. Yang, J. Chen // IEEE Computing in Science and Engineering. – 2003. – Vol. 5, № 2. – P. 54–59.
6. Carpendale, M. S. T. Extending Distortion Viewing from 2D to 3D / M. S. T. Carpendale, D. J. Cowperthwaite, F. D. Fracchia // IEEE Computer Graphics & Applications. – 1997. – Vol. 17, № 4. – P. 42–51.
7. Раушенбах, Б. В.Пространственные построения в живописи. Очерк основных методов. Приложения 1–9 / Б. В. Раушенбах. – М.: Наука, 1980. – 289 с.
8. Sharpless, T. K. Pannini: a new projection for rendering wide angle perspective images / T. K. Sharpless, B. Postle, D. M. German // In Proceedings of the Sixth international conference on Computational Aesthetics in Graphics, Visualization and Imaging. – 2010. – P. 9–16.
9. Projection Transform (Direct3D 9) // Programming Guide for Direct3D 9 [Electronic resource]. – 2010. – Mode of access: https://msdn.microsoft.com/en¬us/library/windows/desktop/bb147302(vvs.85).aspx. – Date of access: 01.08.2015.
Review
For citations:
Kachanov P.A., Zuev A.A., Yatsenko K.N. PANINI PROJECTION EFFECT AS MEANS OF REDUCING PERSPECTIVE DISTORTIONS. «System analysis and applied information science». 2015;(4):49-53. (In Russ.)