Reduction of stripe noise in ACSPO clear-sky radiances and SST

Marouan Bouali; Alexander Ignatov

doi:10.1117/12.2018089

3 June 2013 Reduction of stripe noise in ACSPO clear-sky radiances and SST

Marouan Bouali, Alexander Ignatov

Proceedings Volume 8724, Ocean Sensing and Monitoring V; 87240W (2013) https://doi.org/10.1117/12.2018089
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

Errors in the radiometric calibration of detectors introduce stripe noise in the images captured by multidetector spectroradiometers. Consequently, native resolution sea surface temperature (SST) maps derived from these instruments often display pronounced striping which reduces the accuracy of the data and its usefulness for low-level processing tasks such as thermal front detection. An algorithm has been designed to reduce the effect of striping and improve the imagery quality of the National Environmental Satellite, Data and Information Service (NESDIS) Advanced Clear-Sky Processor for Ocean (ACSPO) SST products. Using three days of Terra/Aqua MODIS and NPP VIIRS top-of-atmosphere clear-sky calibrated radiances, the performance of the proposed method was tested via quantitative and qualitative analysis. Preliminary results reported in this paper demonstrate substantial improvement in image quality without any impact on the geometrical features or global statistics of SST data.

Citation Download Citation

Marouan Bouali and Alexander Ignatov "Reduction of stripe noise in ACSPO clear-sky radiances and SST", Proc. SPIE 8724, Ocean Sensing and Monitoring V, 87240W (3 June 2013); https://doi.org/10.1117/12.2018089

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