CN102221407B - 基于多球复眼层析的红外体视方法 - Google Patents
基于多球复眼层析的红外体视方法 Download PDFInfo
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Abstract
一种基于多球复眼层析的红外体视方法,组成多球层析反演的原始数据。在反演计算时,首先根据目标微元的辐射传输方程及多路复眼空间几何结构特性,得出多球层析权重投影矩阵,然后根据多元非线性方程组优化求解,得出红外光学薄目标的内部各点单色辐射强度.以上多球层析反演计算由DSP(数字信号处理器)实现,计算结果送入ARM(嵌入式)系统上位机程序,实现目标内部三维单色辐射强度立体显示。本发明的优点是通过红外多球层析，解决自由空间红外光学薄目标内部热像体视的难题。
Description
技术领域
本发明涉及一种基于多球复眼层析的红外体视方法，适合于重建红外光学薄（透明）目标的内部三维单色辐射强度立体显示。
背景技术
红外热像系统可以昼夜工作，尤其是在全黑的夜间。红外辐射能够穿透烟、雾、雪、霾，特别适合在恶劣气候条件下工作，且作用距离比较远，具有较强识别伪装目标能力且不易被发现和干扰，系统特别适合于航空、航天侦察、夜视以及成像制导跟踪等军事上的应用。
由于红外热成像系统存在如分辨率较低、边缘模糊、缺乏纹理特征等不足，使由红外光学薄物质(例如气体混合物、部分非金属材料)构成的目标内部信息的三维热成像体视技术难度很大，因此在各领域中都急需红外光学薄目标内部信息三维体视技术。
发明内容
本发明的目的在于一种基于多球复眼层析的红外体视方法, 该方法用于红外光学薄(透明)物体内部三维单色辐射强度立体显示。
本发明是这样来实现的, 由多路复眼成像光路获得多球层析反演的原始数据，在反演计算时, 首先根据目标微元的辐射传输方程及多路复眼空间几何结构特性, 得出多球层析权重投影矩阵, 然后根据多元非线性方程组优化求解, 得出红外光学薄目标的内部各点单色辐射强度. 以上多球层析反演计算由数字信号处理器实现, 计算结果送入ARM系统上位机程序, 实现目标内部三维单色辐射强度立体显示。
本发明的优点是：通过红外多球层析，解决自由空间红外光学薄目标内部热像体视的难题。
附图说明
图1为本发明的原理图。
在图中，1、目标微元2、红外光学薄目标 3、内部重建截面4、大气环境背景5、空间多球形束 6、人工复眼7、视系统 8、基于DSP的运算电路 9、基于ARM的显示系统。
具体实施方式
如图1所示，本发明是这样实现的，多只人工复眼6空间均匀分布，每只人工复眼均具有大量的具有相同视系统7的小眼，可进行近平行的红外成像。多路复眼的所有小眼光轴形成空间多球形束5。在大气环境背景4中的红外光学薄目标2划分一系列内部重建截面3,截面间夹角与每只复眼的各小眼光轴纬度间隔相等.在各截面上取一定数量的目标微元1,根据目标微元的红外辐射传输特性(即发射、吸收、反射、散射等)建立方程,并沿各小眼光轴进行柱形积分,然后被小眼视系统所传感并转换为电信号.所有空间多球形束分布的小眼光路可采集红外光学薄目标不同截面不同微元红外辐射方程的积分信息, 得出多球层析权重投影矩阵并为多球层析提供反演数据.然后根据多元非线性方程组优化求解, 得出红外光学薄目标的内部各点单色辐射强度. 以上多球层析反演计算由基于DSP的运算电路8实现, 计算结果送入基于ARM的显示系统9上位机程序, 实现目标内部微元的三维单色辐射强度立体显示。
Claims (1)
1.一种基于多球复眼层析的红外体视方法，其特征是由多路复眼成像光路获得多球层析反演的原始数据，在反演计算时, 首先根据目标微元的辐射传输方程及多路复眼空间几何结构特性, 得出多球层析权重投影矩阵, 然后根据多元非线性方程组优化求解, 得出红外光学薄目标的内部各点单色辐射强度，以上多球层析反演计算由数字信号处理器实现, 计算结果送入ARM系统上位机程序, 实现目标内部三维单色辐射强度立体显示。
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696674A (zh) * | 2005-06-24 | 2005-11-16 | 首都师范大学 | 红外热波检测层析图像的重建方法 |
| CN101625265A (zh) * | 2009-08-13 | 2010-01-13 | 南昌航空大学 | 基于分布式传感的圆柱层析方法 |
| CN101625266A (zh) * | 2009-08-13 | 2010-01-13 | 南昌航空大学 | 自由空间定点光纤传像红外层析 |
| CN101894394A (zh) * | 2010-07-21 | 2010-11-24 | 南昌航空大学 | 基于红外多目视觉约束的流场重建方法 |
| CN101915616A (zh) * | 2010-07-22 | 2010-12-15 | 南昌航空大学 | 一种螺旋发射光谱层析装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1696674A (zh) * | 2005-06-24 | 2005-11-16 | 首都师范大学 | 红外热波检测层析图像的重建方法 |
| CN101625265A (zh) * | 2009-08-13 | 2010-01-13 | 南昌航空大学 | 基于分布式传感的圆柱层析方法 |
| CN101625266A (zh) * | 2009-08-13 | 2010-01-13 | 南昌航空大学 | 自由空间定点光纤传像红外层析 |
| CN101894394A (zh) * | 2010-07-21 | 2010-11-24 | 南昌航空大学 | 基于红外多目视觉约束的流场重建方法 |
| CN101915616A (zh) * | 2010-07-22 | 2010-12-15 | 南昌航空大学 | 一种螺旋发射光谱层析装置 |
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