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�������պ����ѧѧ�� 2009, Vol. 35 Issue (12) :1473-1476    DOI:
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Infrared radiant computation by OpenGL
Fang Ning, Zhang Xiaolin, Gao Jia, Qi Zhengyun*
School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� A method of computing the infrared radiant intensity of complex target using OpenGL which achieved the visual infrared radiation calculation was presented. For OpenGL is able to be applied to construct the three-dimensional modal of objects and do three dimensional interaction, the evaluation of complex target-s infrared radiant intensity is available. Utilizing the hidden capability of graphics hardware, the computation of shelter was avoided and the radiant intensity then was obtained by WYSWYG(what you see what you get). Different visual light models were applied to get the self-radiation and the reflection of sun energy of target. The parameters of emission and diffuse reflection in light model determined the color of each pixel in computer screen and then the temperature and the normal of each pixel were obtained. So the computation was implemented visually. A simple model was applied to verify this method-s validity and feasibility.
Keywords�� infrared radiation   visualization   graphic computation     
Received 2008-12-02;
About author: �� ��(1979-),Ů,������ɽ��,��ʿ��,fangn31@163.com.
�� ��, ������, �� ��, ������.OpenGL�ں����������е�Ӧ��[J]  �������պ����ѧѧ��, 2009,V35(12): 1473-1476
Fang Ning, Zhang Xiaolin, Gao Jia, Qi Zhengyun.Infrared radiant computation by OpenGL[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(12): 1473-1476
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2009/V35/I12/1473
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