Six basic criteria used to estimate the Ground Resolution Distance of satellite imagers are
considered: Ground Sample Distance (GSD), Rayleigh diffraction limit, ground spot size …

For Earth observation, a small satellite camera has relatively weak structural stability
compared to medium-sized satellite, resulting in misalignment of optical components due to …

The calibration and validation team of the Korea Aerospace Research Institute has
calibrated and validated the image data of the KOMPSAT-2 since the launch of KOMPSAT-2 …

Emirates Institution for Advanced Science and Technology (EIAST) was established by the
Dubai Government in 2006. After three years of working together with Satrec Initiative (South …

This paper presents absolute radiometric calibration coefficients (gains) that explain the
relationship between the digital number (DN) and at-sensor radiance for the multispectral …

One practical way to characterize the spatial performance of an in-flight satellite optical
imaging system is to determine the modulation transfer function (MTF) from its remotely …

Imagery from orbiting satellite sensors provides geophysical and biophysical information
about the earth's terrestrial and oceanic characteristics and the effects that human activities …

The working principle of a satellite camera involves a focusing mechanism for controlling the
focus of the optical system, which is essential for proper functioning. However, research on …

Very high-resolution space borne missions demand finer spatial sampling and larger swath
coverage for several commercial and strategic applications including cartography, disaster …

Recently, interest in potential for estimating water quality using high resolution satellite
images is increasing. However, low SNR (Signal to Noise Ratio) over inland water and …