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If you already have this training areas in shapefile you can convert them to AOI's: Open the shapefile that you want to use as training area 4 Oct 2016 The first stage of the supervised classification process is to collect reference training sites for each land cover type in order to generate training signatures.28 Aug 2016 Classification is one of the very basic and important parts of Goespatial Technologies. Any satellite image will generally have 256 discrete Image Classification. Supervised. ERDAS Imagine 2016. Description: This lab describes how to generate supervised classifications of multispectral image using In this lab you will classify the UNC Ikonos image using unsupervised and supervised methods in ERDAS Imagine. Classification is the process of assigning Creating A Signature Set For Use In Supervised Classification. Open Erdas Imagine and pull up the 'watershed.img' image in the viewer. Click on Raster tab –> Classification –> Supervised –> Signature Editor and a new window will open. Now go back up to the top of the screen and click on the Drawing tab –> Polygon Icon. Imagine Exercise 12: Supervised Classification in Erdas. Objectives: To generate supervised signitures using the AOI and Region Grow tools; To use histograms 26 Jul 2017 Solved: Hey there, When I carry out a supervised classification I end Spatial Recipes · ERDAS IMAGINE Release Information · ERDAS IMAGINE Tutorials . In order to remove the empty classes from your classified image, 21 Apr 2015