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Proceedings Paper

Research on infrared imaging illumination model based on materials
Author(s): Hai-he Hu; Chao-yin Feng; Chang-geng Guo; Hai-jing Zheng; Qiang Han; Hai-yan Hu
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Paper Abstract

In order to effectively simulate infrared features of the scene and infrared high light phenomenon, Based on the visual light illumination model, according to the optical property of all material types in the scene, the infrared imaging illumination models are proposed to fulfill different materials: to the smooth material with specular characteristic, adopting the infrared imaging illumination model based on Blinn-Phone reflection model and introducing the self emission; to the ordinary material which is similar to black body without highlight feature, ignoring the computation of its high light reflection feature, calculating simply the material’s self emission and its reflection to the surrounding as its infrared imaging illumination model, the radiation energy under zero range of visibility can be obtained according to the above two models. The OpenGl rendering technology is used to construct infrared scene simulation system which can also simulate infrared electro-optical imaging system, then gets the synthetic infrared images from any angle of view of the 3D scenes. To validate the infrared imaging illumination model, two typical 3D scenes are made, and their infrared images are calculated to compare and contrast with the real collected infrared images obtained by a long wave infrared band imaging camera. There are two major points in the paper according to the experiment results: firstly, the infrared imaging illumination models are capable of producing infrared images which are very similar to those received by thermal infrared camera; secondly, the infrared imaging illumination models can simulate the infrared specular feature of relative materials and common infrared features of general materials, which shows the validation of the infrared imaging illumination models. Quantitative analysis shows that the simulation images are similar to the collected images in the aspects of main features, but their histogram distribution does not match very well, the reasons are analyzed and the further improvement direction is proposed. Theories and experiments show that the validation of the infrared illumination models in the paper.

Paper Details

Date Published: 11 September 2013
PDF: 8 pages
Proc. SPIE 8907, International Symposium on Photoelectronic Detection and Imaging 2013: Infrared Imaging and Applications, 89070T (11 September 2013); doi: 10.1117/12.2031670
Show Author Affiliations
Hai-he Hu, Beijing Institute of Technology (China)
Xuchang Vocational Technical College (China)
Chao-yin Feng, Xuchang Vocational Technical College (China)
Chang-geng Guo, Xuchang Vocational Technical College (China)
Hai-jing Zheng, Beijing Institute of Technology (China)
Qiang Han, Beijing Institute of Technology (China)
Hai-yan Hu, CPCC Culture and History Library (China)

Published in SPIE Proceedings Vol. 8907:
International Symposium on Photoelectronic Detection and Imaging 2013: Infrared Imaging and Applications
Haimei Gong; Zelin Shi; Qian Chen; Jin Lu, Editor(s)

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