激光与光电子学进展, 2017, 54 (9): 091005, 网络出版: 2017-09-06   

偏振成像仪几何定标数据处理及软件设计 下载: 562次

Geometric Calibration Data Processing and Software Design of Directional Polarization Camera
陶菲 1,2,3,*洪津 1,2宋茂新 1,2李双 1,2涂碧海 1,2王羿 1,2
作者单位
1 中国科学院安徽光学精密机械研究所, 安徽 合肥 230031
2 中国科学院通用光学定标与表征技术重点实验室, 安徽 合肥 230031
3 中国科学技术大学研究生院科学岛分院, 安徽 合肥 230026
摘要
偏振成像仪(DPC)是获取目标多光谱、多角度、多偏振信息的航天遥感器, 它的几何定标过程特殊、复杂, 需要处理庞大的数据, 现有人工处理方法无法满足实时得出结果的要求。通过分析DPC的实验室几何定标原理、模型和流程, 对处理软件的需求和设计框架进行讨论, 研制了基于信息流的数据处理软件。该软件可对定标测试原始图像数据进行原始数据解包、图像数据识别、帧转移校正、去本底等预处理工作, 并根据几何定标模型快速计算得到几何定标参数。与人工计算结果的对比验证了软件的有效性, 一组数据计算的时间成本可由40 min缩短至50 s, 满足了定标实验实时得出结果的需要。
Abstract
Directional polarization camera (DPC) is a space remote sensor with multi-spectrum, multi-angle and multi-polarization data. The procedure of laboratory geometric calibration is complex and it needs to process a large amount of data. By analyzing the principle, model and flow of the DPC laboratory geometric calibration and discussing the demand and framework of the software, we develop a flow-based data-processing software. The software is able to pre-process various calibration test data of the original image and calculate various scaling parameters rapidly. Compared with the manual calculation time of 40 min, the data processing software costs only 50 s. In conclusion, the software can meet the real-time requirement of laboratory calibration.
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陶菲, 洪津, 宋茂新, 李双, 涂碧海, 王羿. 偏振成像仪几何定标数据处理及软件设计[J]. 激光与光电子学进展, 2017, 54(9): 091005. Tao Fei, Hong Jin, Song Maoxin, Li Shuang, Tu Bihai, Wang Yi. Geometric Calibration Data Processing and Software Design of Directional Polarization Camera[J]. Laser & Optoelectronics Progress, 2017, 54(9): 091005.

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