Image dynamic range test and evaluation of Gaofen-2 dual cameras

Zhenhua Zhang; Fuping Gan; Dandan Wei

doi:10.1117/12.2204955

14 December 2015 Image dynamic range test and evaluation of Gaofen-2 dual cameras

Zhenhua Zhang, Fuping Gan, Dandan Wei

Proceedings Volume 9815, MIPPR 2015: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications; 98150F (2015) https://doi.org/10.1117/12.2204955
Event: Ninth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2015), 2015, Enshi, China

Abstract

In order to fully understand the dynamic range of Gaofen-2 satellite data and support the data processing, application and next satellites development, in this article, we evaluated the dynamic range by calculating some statistics such as maximum ,minimum, average and stand deviation of four images obtained at the same time by Gaofen-2 dual cameras in Beijing area; then the maximum ,minimum, average and stand deviation of each longitudinal overlap of PMS1,PMS2 were calculated respectively for the evaluation of each camera's dynamic range consistency; and these four statistics of each latitudinal overlap of PMS1,PMS2 were calculated respectively for the evaluation of the dynamic range consistency between PMS1 and PMS2 at last. The results suggest that there is a wide dynamic range of DN value in the image obtained by PMS1 and PMS2 which contains rich information of ground objects; in general, the consistency of dynamic range between the single camera images is in close agreement, but also a little difference, so do the dual cameras. The consistency of dynamic range between the single camera images is better than the dual cameras’.

Citation Download Citation

Zhenhua Zhang, Fuping Gan, and Dandan Wei "Image dynamic range test and evaluation of Gaofen-2 dual cameras", Proc. SPIE 9815, MIPPR 2015: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications, 98150F (14 December 2015); https://doi.org/10.1117/12.2204955

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KEYWORDS

Cameras

Satellites

Satellite imaging

Multiplexers

Remote sensing

Statistical analysis

Data processing

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