Background projection modeling in the self-adaptive infrared stealth system
-
摘要: 实现目标自适应红外隐身的第一步是获取遮挡背景图像,这部分图像是观察者处于某一视点观察目标时,被目标所遮挡住的背景。而当观察者在不同的视点观察目标时,被目标所遮挡住的背景是不同的,目标与遮挡背景满足透视投影的关系。为求得目标与遮挡背景的关系,首先建立了三套坐标系,即目标本体坐标系、视点坐标系以及热像仪坐标系,然后通过推导三套坐标系之间的转换关系,建立了目标表面各点与热像仪获取背景图像点之间的对应模型,从而实现了遮挡背景的获取。最后通过实验对该模型进行了验证,结果表明:该模型能够正确获取不同视点下的遮挡背景,为工程应用奠定了基础。Abstract: The first step of self-adaptive infrared stealth is the obtention of occlusion background image, this image is a part of the background which is covered by the object when the observer observes this object somewhere. When observing the object in different viewpoints, the background that is covered by the object is different, the object and the occlusion background have a relation of perspective projection. For obtaining the relation between object and the occlusion background, three coordinate systems were established which consist of object's body-fixed coordinates, viewpoint coordinates and thermal imager coordinates, then the corresponding model between the point on object and the point on the thermal image got by thermal imager was derived by coordinate transformation between these three coordinates. At last an experiment was carried out to verify the model, the result shows that the occlusion background is obtained in different viewpoints by this model. The model lays a foundation of practical engineering application.
-
Key words:
- infrared stealth /
- self-adaptive /
- coordinate transformation /
- background projection
-
[1] Yu Dabin, Tang Kun, Zou Jiwei, et al. Effect of infrared emissivity of coatings on the camouflage effectiveness of targets[J]. Infrared and Laser Engineering, 2007, 36(2):194-197. (in Chinese)余大斌, 唐坤, 邹继伟, 等. 红外迷彩伪装涂料发射率对目标伪装效率的影响[J]. 红外与激光工程, 2007, 36(2):194-197. [2] Zhang Luping, Li Biao, Wang Luping. Dim target detection method under complex spatial background[J]. Infrared and Laser Engineering, 2011, 40(10):2048-2053. (in Chinese)张路平, 李飚, 王鲁平. 复杂空间背景下的弱小目标检测方法[J]. 红外与激光工程, 2011, 40(10):2048-2053. [3] Liu Dongqing, Cheng Haifeng, Zhen Wenwei, et al. Applications of VO2 in adaptive infrared stealth technology[J]. Infrared and Laser Engineering, 2012, 41(11):2898-2902. (in Chinese)刘东青, 程海峰, 郑文伟, 等. 二氧化钒在红外自适应隐身技术中的应用[J]. 红外与激光工程, 2012, 41(11):2898-2902. [4] Li Peiqing, Tian Ying, Cao Jiafeng, et al. Research progress of adaptive infrared stealth technology[J]. Transducer and Microsystem Technologies, 2013, 32(10):5-12. (in Chinese)李佩青, 田英, 曹嘉峰, 等. 自适应红外隐身技术研究进展[J]. 传感器与微系统, 2013, 32(10):5-12. [5] Samuel Filipek, Peter Droopa. Thermo vision protection of military mobile technics[J]. Proceedings of the Institute of Vehicles, 2014, 3(99):55-60. [6] Wang Hongpeng, Wang Xiaoqun, Wang Zhenqing, et al. Control design of surface temperature adaptive material system[J]. Microcomputer Information, 2007, 23(19):1-3. (in Chinese)王宏鹏, 王小群, 王振清, 等. 表面自适应变温材料系统中的控制设计[J]. 微计算机信息, 2007, 23(19):1-3. [7] Zhang Shengkang, Chen Zhong, Feng Lai, et al. Development of smart material system of infrared camouflage[J]. Surface Technology, 2004, 33(1):63-64. (in Chinese)张升康, 陈重, 冯来, 等. 表面控温红外智能隐身材料系统的研制[J]. 表面技术, 2004, 33(1):63-64. [8] Liu Da, Han Xiaobing, Fang Long. The research and implementation of 3-Dimensional Cartesian coordinate system direct conversion algorithm[J]. Geomatics Spatial Information Technology, 2012, 35(5):175-182. (in Chinese)刘达, 韩晓冰, 房龙. 3维直角坐标系直接转换算法的研究与实现[J]. 测绘与空间地理信息, 2012, 35(5):175-182. [9] Liu Yong, Chen Xiaohui, Yin Qing, et al. Applications of three-dimensional coordinate transform in space device's geometry measurement[J]. Infrared and Laser Engineering, 2008, 37(S):147-150. (in Chinese)刘勇, 陈晓晖, 殷晴, 等. 三维坐标变换在航天器机械测试中的应用[J]. 红外与激光工程, 2008, 37(S):147-150.
计量
- 文章访问数: 331
- HTML全文浏览量: 38
- PDF下载量: 234
- 被引次数: 0