Abstract
The integrating effect of the point spread function of a satellite remote sensing system significantly affects the signature from a single cover class if the surrounding cover is dissimilar and also reduces the spatial resolution of the output data. Digital SPOT P-Mode data acquired over linear ground edge and impulse features were analysed to determined the SPOT system's line spread function. This was integrated to give the normalised point spread function, and then inverted to derive an equation to estimate the true ground response by deconvolution of the observed response. The paper describes the procedures used in determining the point spread function, and applies the result to a number of urban features. A significant improvement in the image quality resulted.
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