GIS coaching for territorial management.
The spatial filters represent another method of digital processing used for the enhancement of an image. These filters are designed to bring out or remove specific features of an image based on their spatial frequency. The…
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Depicting a map is not just a matter of personal taste. If our purpose is essentially to convey certain information in the clearest way possible, we must not forget that the format and final use of…
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Here is a small series of articles motivated by a somewhat broad question from a student using ArcGis Geostatistical Analyst: how to interpret the QQplot, the trend analyst and the variogram? Whether it is Geostatistical Analyst…
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To begin with, it is important to understand that image enhancement is applied to facilitate visual interpretation and understanding of images. The enhancement will not change the radiometric values of the objects in the image;it will…
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We have previously seen how to correct Landsat images for TOA (top-of-atmosphere)reflectance. Here is a diagram that will help us understand the following: Therefore the reflectance we have calculated is the% of light reflected to the…
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Previously we discussed how to adjust Landsat images for the reflectance TOA (top-of-atmosphere). Here is a diagram that will help us to understand what happens next: Therefore the reflectance we have calculated is the% of light…
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