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Rakesh K. Singh

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Proceedings Article | 2 May 2016 Paper

Destriping Ocean Color Monitor-2 data

Rakesh Kumar Singh, Palanisamy Shanmugam

Proceedings Volume 9881, 988123 (2016) https://doi.org/10.1117/12.2223512

KEYWORDS: Calibration, Sensors, Satellites, Remote sensing, Spatial resolution, Atmospheric corrections, Image quality, Satellite imaging, Earth observing sensors, Image processing, Image enhancement, Ocean optics

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Ocean Color Monitor-2 (OCM-2) on-board Oceansat 2 satellite is a multi-spectral sensor with a spatial resolution of 360×250m. Despite the presence of improved spatial resolution for better ocean color interpretation within coastal zones; differences among the OCM-2 detectors lead to striping artifacts in the along-track direction limiting the ocean color observations. Existing calibration methods do not characterize the striping noise efficiently. Destriping algorithms are generally applied to Level 2 radiance or biogeochemical products (i.e., post-radiometric and atmospheric correction), to remove the striping artifacts in order to ensure quality products. The present study focuses to reveal a robust method which effectively removes the striping effects in the TOA radiance products. Preliminary results obtained from this approach have been highlighted which show significant improvement in image quality for Level 1B (TOA radiance) and Level 2 (Water leaving radiance (L_w) and biogeochemical) products. The proposed method operates on a pixel by pixel basis with an aim to maintain the spatial and spectral resolution of data and ensure image quality in the derived products.

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