浏览全部资源
扫码关注微信
Received：21 June 2022，
Published：07 May 2023
移动端阅览
海洋一号C/D卫星（HY-1C/D）海岸带成像仪CZI（Coastal Zone Imager）搭载有2个相机4片CCD，幅宽为950 km，在0级原始影中存在渐晕和片间色差等辐射问题。本文针对海岸带成像仪载荷结构特点，提出了一种针对多片原始CCD影像片间自适应均衡的相对辐射校正方法。首先，采用在轨统计方法对单片CCD影像进行片内辐射校正，明显改善了渐晕问题。然后，通过大视场虚拟重成像方法对多片CCD影像进行高精度几何拼接，在此基础上，统计重叠区域色彩信息。最后，根据相邻片左右重叠区在片间色彩校正前后具有色彩一致性的约束，实现全局多片CCD影像色彩参数解算和片间影像均衡校正。从实验结果来看，经过全视场相对辐射校正处理后，平均行标准差、广义噪声和条纹噪声均优于路径传递法，相对辐射质量优于3%，有效提高了海洋一号C/D卫星海岸带成像仪影像相对辐射质量。
The HY-1 C/D satellite Coastal Zone Imager (CZI) can image a width of 950 km through the combination of multiple detector groups
which greatly improves the satellite remote sensing data acquisition capability. It is of great significance in global earth observation and ocean water color elements. However
the super-wide imaging system presents severe challenges to the full field of view relative radiometric correction processing. One of the challenges is that the ground calibration field cannot cover all the probes in the imaging field of view due to the ground coverage of the push-scan imaging being nearly 1
000 km. Another challenge is that the full field of linear array detectors and the imaging view differences can cause obvious color differences
and camera mosaic imaging can easily have more serious radiation error accumulation.
The CZI is equipped with two cameras and four CCDs for combined imaging. The two CCDs inside the camera adopt collinear full reflection-full transmission optical splicing. The mirror blocks the overlapping area between the reflection and transmission regions
so energy is attenuated at the edge of the image
forming a vignette. Different focal-plane structure installation and imaging field of view
as well as different CCDs
especially the camera response difference
result in dynamic light and shade changes between images and an obvious color difference.
To address this issue
an adaptive global color consistency processing method is proposed according to the characteristics of the load structure of the CZI. On the basis of single CCD image radiation correction
the color consistency processing can be carried out adaptively using the global optimization strategy. The global optimization strategy means that a single CCD image is used as a unit of all image color correction model processing
to obtain the global meaning of the optimal solution and eliminate the overall color difference between images. The proposed method first uses the on-orbit statistical method to correct the radiation of single CCD image
which improves the vignetting problem. Subsequently
high-precision geometric stitching of multiple CCD images is carried out using the large-field virtual reimaging method. On this basis
the mean and variance of the overlapping area are calculated to describe the color information of each image. Finally
according to the color consistency constraint of adjacent overlapping area before and after color correction
color parameter calculation and image balance correction of global multi CCD images are realized. In the calculation of color parameters
while eliminating the color differences between images
the color differences of the images before and after correction are ensured to be as small as possible. Doing so increases the number of necessary observation equations and solves the rank deficit problem caused by the number of overlapping pieces always being less than the number of CCD pieces.
The experimental results show that root-mean-square deviation of the mean line
generalized noise method
and streaking metrics of the proposed method are better than those of the path transfer method after full field relative radiometric correction. In addition
the relative radiation quality of HY-1C/D satellite CZI is better by 3%.
Chen R , Han J Y , Wang M , He L X , Dai R F and Sun C R . 2023 . A study on relative radiometric calibration using side-slither data for HY-1D CZI . National Remote Sensing Bulletin , 27 ( 1 ): 43 - 54
陈儒 , 韩静雨 , 王密 , 何鲁晓 , 戴荣凡 , 孙从容 . 2023 . 海洋一号D卫星海岸带成像仪偏航90°相对辐射定标 . 遥感学报 , 27 ( 1 ): 43 - 54 [ DOI: 10.11834/jrs.20221611 http://dx.doi.org/10.11834/jrs.20221611 ]
Han Y T . 2014 . Research on some Problems of Color Consistency Processing in Digital Orthophoto Mosaic . Wuhan : Wuhan University
韩宇韬 . 2014 . 数字正射影像镶嵌中色彩一致性处理的若干问题研究 . 武汉 : 武汉大学
Hu Y F and Zhang Y F . 2007 . Analysis of relative radiometric calibration accuracy of space camera . Spacecraft Recovery and Remote Sensing , 28 ( 4 ): 54 - 57
胡永富 , 张宇烽 . 2007 . 空间相机相对辐射定标精度分析 . 航天返回与遥感 , 28 ( 4 ): 54 - 57 [ DOI: 10.3969/j.issn.1009-8518.2007.04.011 http://dx.doi.org/10.3969/j.issn.1009-8518.2007.04.011 ]
Li D R , Wang M and Pan J . 2006 . Auto-dodging processing and its application for optical RS images . Geomatics and Information Science of Wuhan University , 31 ( 9 ): 753 - 756
李德仁 , 王密 , 潘俊 . 2006 . 光学遥感影像的自动匀光处理及应用 . 武汉大学学报(信息科学版) , 31 ( 9 ): 753 - 756 [ DOI: JournalArticle/5ae99af1c095d713d891a5cb http://dx.doi.org/JournalArticle/5ae99af1c095d713d891a5cb ]
Li L , Xia M H , Liu C , Li L , Wang H Y and Yao J . 2020 . Jointly optimizing global and local color consistency for multiple image mosaicking . ISPRS Journal of Photogrammetry and Remote Sensing , 170 : 45 - 56 [ DOI: 10.1016/j.isprsjprs.2020.10.006 http://dx.doi.org/10.1016/j.isprsjprs.2020.10.006 ]
Li L T , Zhang G , Jiang Y H and Shen X . 2021 . An improved on-orbit relative radiometric calibration method for agile high-resolution optical remote-sensing satellites with sensor geometric distortion . IEEE Transactions on Geoscience and Remote Sensing , 60 : 5606715 [ DOI: 10.1109/TGRS.2021.3078815 http://dx.doi.org/10.1109/TGRS.2021.3078815 ]
Liu J C , Liu J Q , Ding J and Lu Y C . 2022 . A refined imagery algorithm to extract green tide in the Yellow Sea from HY-1C satellite CZI measurements . Haiyang Xuebao , 44 ( 5 ): 1 - 11
刘锦超 , 刘建强 , 丁静 , 陆应诚 . 2022 . HY-1C卫星CZI载荷的黄海绿潮提取研究 . 海洋学报 , 44 ( 5 ): 1 - 11
Liu J Q , Ye X M , Song Q J , Ding J and Zou B . 2023 . Products of HY-1C/D ocean color satellites and their typical applications . National Remote Sensing Bulletin , 27 ( 1 ): 1 - 13
刘建强 , 叶小敏 , 宋庆君 , 丁静 , 邹斌 . 2023 . HY-1C/D海洋水色卫星产品体系及其典型应用 . 遥感学报 , 27 ( 1 ): 1 - 13 [ DOI: 10.11834/jrs.20235002 http://dx.doi.org/10.11834/jrs.20235002 ]
Liu Y K , Long T F , Jiao W L , He G J , Chen B and Huang P . 2022 . A general relative radiometric correction method for vignetting and chromatic aberration of multiple CCDs: take the Chinese series of gaofen satellite Level-0 images for example . IEEE Transactions on Geoscience and Remote Sensing , 60 : 5616725 [ DOI: 10.1109/TGRS.2022.3141223 http://dx.doi.org/10.1109/TGRS.2022.3141223 ]
Pan J , Wang M , Li D R and Li J . 2009 . Automatic generation of seamline network using area Voronoi diagrams with overlap . IEEE Transactions on Geoscience and Remote Sensing , 47 ( 6 ): 1737 - 1744 [ DOI: 10.1109/tgrs.2008.2009880 http://dx.doi.org/10.1109/tgrs.2008.2009880 ]
Pan J , Wang M , Li D R and Li J L . 2010 . A network-based radiometric equalization approach for digital aerial orthoimages . IEEE Geoscience and Remote Sensing Letters , 7 ( 2 ): 401 - 405 [ DOI: 10.1109/LGRS.2009.2037442 http://dx.doi.org/10.1109/LGRS.2009.2037442 ]
Shi Y R , Jiang Y , Li L T , Yu L J and Jiang Y H . 2020 . The research on normalized radiometric calibration method of optical satellite . Journal of Geo-Information Science , 22 ( 12 ): 2410 - 2424
师英蕊 , 姜洋 , 李立涛 , 于龙江 , 蒋永华 . 2020 . 光学卫星常态化相对辐射定标方法研究 . 地球信息科学学报 , 22 ( 12 ): 2410 - 2424 [ DOI: 10.12082/dqxxkx.2020.190536 http://dx.doi.org/10.12082/dqxxkx.2020.190536 ]
Sun M W and Zhang J Q . 2008 . Dodging research for digital aerial images // The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences . Beijing : [s.n.]: 349 - 354
Wang M and Pan J . 2004 . A method of removing the uneven illumination for digital aerial image . Journal of Image and Graphics , 9 ( 6 ): 744 - 748
王密 , 潘俊 . 2004 . 一种数字航空影像的匀光方法 . 中国图象图形学报 , 9 ( 6 ): 744 - 748 [ DOI: 10.3969/j.issn.1006-8961.2004.06.016 http://dx.doi.org/10.3969/j.issn.1006-8961.2004.06.016 ]
Wang M and Pan J . 2006 . A new color balance method for large-scale seamless image database . Remote Sensing for Natural Resources , ( 4 ): 10 - 13
王密 , 潘俊 . 2006 . 面向无缝影像数据库应用的一种新的光学遥感影像色彩平衡方法 . 国土资源遥感 , ( 4 ): 10 - 13 [ DOI: 10.3969/j.issn.1001-070X.2006.04.003 http://dx.doi.org/10.3969/j.issn.1001-070X.2006.04.003 ]
Wang M , Chen C C , Pan J , Zhu Y and Chang X L . 2018 . A relative radiometric calibration method based on the histogram of side-slither data for high-resolution optical satellite imagery . Remote Sensing , 10 ( 3 ): 381 [ DOI: 10.3390/rs10030381 http://dx.doi.org/10.3390/rs10030381 ]
Wang M , Zhang B X and Pan J . 2011 . Radiometric correction method of TDI-CCD imaging data based on segmentation . Scientia Sinica (Informationis) , 41 ( S1 ): 32 - 41
王密 , 张炳先 , 潘俊 . 2011 . 基于分段辐射校正的星载TDI-CCD成像数据辐射处理方法 . 中国科学 : 信息科学 , 41 ( S1 ): 32 - 41 [ DOI: 10.1360/ZF2011-41-SUPPL-32 http://dx.doi.org/10.1360/ZF2011-41-SUPPL-32 ]
Xie R P , Xia M H , Yao J and Li L . 2018 . Guided color consistency optimization for image mosaicking . ISPRS Journal of Photogrammetry and Remote Sensing , 135 : 43 - 59 [ DOI: 10.1016/j.isprsjprs.2017.11.012 http://dx.doi.org/10.1016/j.isprsjprs.2017.11.012 ]
Yang W , Zhou N and Cao J S . 2021 . Double-camera geometric stitching of HY-1D coastal zone imager . Spacecraft Recovery and Remote Sensing , 42 ( 4 ): 99 - 107
杨威 , 周楠 , 曹金山 . 2021 . “海洋一号”D卫星海岸带成像仪双相机几何拼接 . 航天返回与遥感 , 42 ( 4 ): 99 - 107 [ DOI: 10.3969/j.issn.1009-8518.2021.04.012 http://dx.doi.org/10.3969/j.issn.1009-8518.2021.04.012 ]
Yu L . 2017 . Key Technology on Color Balancing for Creation of Color Consistency Synthetic Products with Optical Remote Sensing Imagery . Wuhan : Wuhan University
余磊 . 2017 . 光学遥感卫星色彩一致性合成影像生成关键技术研究 . 武汉 : 武汉大学
Zhang G , Jiang Y H , Li L T , Deng M J and Zhao R S . 2019 . Research progress of high-resolution optical/SAR satellite geometric radiometric calibration . Acta Geodaetica et Cartographica Sinica , 48 ( 12 ): 1604 - 1623
张过 , 蒋永华 , 李立涛 , 邓明军 , 赵瑞山 . 2019 . 高分辨率光学/SAR卫星几何辐射定标研究进展 . 测绘学报 , 48 ( 12 ): 1604 - 1623 [ DOI: 10.11947/j.AGCS.2019.20190469 http://dx.doi.org/10.11947/j.AGCS.2019.20190469 ]
Zhao Y H , Li Y , Jin L B , Li Y Q and Wang H . 2019 . High precision radiometric calibration technology for visible and infrared multispectral lmager . Aerospace Shanghai , 36 ( S2 ): 106 - 111
赵艳华 , 李岩 , 晋利兵 , 李永强 , 王浩 . 2019 . 全谱段光谱成像仪高精度辐射定标技术 . 上海航天 , 36 ( S2 ): 106 - 111 [ DOI: 10.19328/j.cnki.1006-1630.2019.S.017 http://dx.doi.org/10.19328/j.cnki.1006-1630.2019.S.017 ]
相关作者
相关机构
京公网安备11010802024621