Image data from pushbroom or whiskbroom sensors occasionally exhibit periodic exceptionally bright or dark image rows or columns. This is usually caused by one or more malfunctioning or poorly calibrated detectors in the sensor. This "striping" can be distracting during visual interpretation of the images, and affects image statistics. STRPCOR reduces striping by mutiplying pixel values in each bad row or column stripe by a gain value that is a function of the neighboring rows or columns. For the removal of along-column striping, STRPCOR should be applied prior to an application of ROLLCOR, since the latter program will generally cause the striping to deviate from a straight line. For the removal of along-row striping, STRPCOR should be applied after the application of ROLLCOR so that the rows in the neighborhood of the stripe rows will be more corrected aligned with one another.
Image striping in isolated bands may also be reduced or removed using MNFNR (see below).
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