Novel method for reprojection of MODIS level 1B images based on concurrent gradient search

Konstantin V. Khlopenkov; Alexander P. Trishchenko; Yi Luo

doi:10.1117/12.689185

29 September 2006 Novel method for reprojection of MODIS level 1B images based on concurrent gradient search

Konstantin V. Khlopenkov, Alexander P. Trishchenko, Yi Luo

Proceedings Volume 6365, Image and Signal Processing for Remote Sensing XII; 636506 (2006) https://doi.org/10.1117/12.689185
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

A novel algorithm to address the reprojection of MODIS level 1B imagery is proposed. The method is based on the simultaneous 2D search of latitude and longitude fields using local gradients. In the case of MODIS, the gradient search is realized in two steps: inter-segment and intra-segment search, which helps to resolve the discontinuity of the latitude/longitude fields caused by overlap between consecutively scanned MODIS multi-detector image segments. It can also be applied for reprojection of imagery obtained by single-detector scanning systems, like AVHRR, or push-broom systems, like MERIS. The structure of the algorithm allows equal efficiency with either the nearest-neighbor or the bilinear interpolation modes.

Citation Download Citation

Konstantin V. Khlopenkov, Alexander P. Trishchenko, and Yi Luo "Novel method for reprojection of MODIS level 1B images based on concurrent gradient search", Proc. SPIE 6365, Image and Signal Processing for Remote Sensing XII, 636506 (29 September 2006); https://doi.org/10.1117/12.689185

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