Space perception analysis in the panini projection and its using in computer graphics
DOI:
https://doi.org/10.15587/1729-4061.2015.47678Keywords:
Panini projection, veduta, space perception, spherical projection, cylindrical projection, space compressionAbstract
The main parameter in the study of virtual reality for the human-computer interaction is the information received by the person. However, the transformation from three-dimensional space to two-dimensional is accompanied by a distortion in the resulting images. The paper describes the Panini projection model in terms of the information content and engineering psychology.
The analysis of the data describing the features of human visual perception of the virtual space is performed. It is shown that the mathematical model of the Panini projection is based on geometric transformations, which correspond to the system of human visual perception and produces biologically correct three-dimensional images. A description of non-planar perspective projections is given.
Finally, it is concluded that the simple geometric transformations, which are available to the observer can improve the information content of the synthesized images. The results of using the described projection models in computer graphics were obtained. A comparison of images in the perspective projection and Panini projection was carried out. The reasons of using the described projection type were explained.
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Copyright (c) 2015 Петр Алексеевич Качанов, Андрей Александрович Зуев, Константин Николаевич Яценко
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