Radiometric calibration of SPOT 2 HRV: a comparison of three methods
- 1 August 1991
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 1493, 155-163
- https://doi.org/10.1117/12.46693
Abstract
Three methods for determining an absolute radiometric calibration of a spacecraft optical sensor are compared. They are the well-known reflectance-based and radiance-based methods and a new method based on measurements of the ratio of diffuse-to-global irradiance at the ground. The latter will be described in detail and the comparison of the three approaches will be made with reference to the SPOT-2 HRV cameras for a field campaign 1990-06-19 through 1990-06-24 at the White Sands Missile Range in New Mexico.Keywords
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