Cross-comparison of the IRS-P6 AWiFS sensor with the L5 TM, L7 ETM+, & Terra MODIS sensors

Gyanesh Chander; Xiaoxiong Xiong; Amit Angal; Taeyoung Choi; Rimy Malla

doi:10.1117/12.830502

22 September 2009 Cross-comparison of the IRS-P6 AWiFS sensor with the L5 TM, L7 ETM+, & Terra MODIS sensors

Gyanesh Chander, Xiaoxiong Xiong, Amit Angal, Taeyoung Choi, Rimy Malla

Proceedings Volume 7474, Sensors, Systems, and Next-Generation Satellites XIII; 74740Z (2009) https://doi.org/10.1117/12.830502
Event: SPIE Remote Sensing, 2009, Berlin, Germany

Abstract

As scientists and decision makers increasingly rely on multiple Earth-observing satellites to address urgent global issues, it is imperative that they can rely on the accuracy of Earth-observing data products. This paper focuses on the crosscomparison of the Indian Remote Sensing (IRS-P6) Advanced Wide Field Sensor (AWiFS) with the Landsat 5 (L5) Thematic Mapper (TM), Landsat 7 (L7) Enhanced Thematic Mapper Plus (ETM+), and Terra Moderate Resolution Imaging Spectroradiometer (MODIS) sensors. The cross-comparison was performed using image statistics based on large common areas observed by the sensors within 30 minutes. Because of the limited availability of simultaneous observations between the AWiFS and the Landsat and MODIS sensors, only a few images were analyzed. These initial results are presented. Regression curves and coefficients of determination for the top-of-atmosphere (TOA) trends from these sensors were generated to quantify the uncertainty in these relationships and to provide an assessment of the calibration differences between these sensors.

Citation Download Citation

Gyanesh Chander, Xiaoxiong Xiong, Amit Angal, Taeyoung Choi, and Rimy Malla "Cross-comparison of the IRS-P6 AWiFS sensor with the L5 TM, L7 ETM+, & Terra MODIS sensors", Proc. SPIE 7474, Sensors, Systems, and Next-Generation Satellites XIII, 74740Z (22 September 2009); https://doi.org/10.1117/12.830502

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