Create a free Community account (), then go look for tutorial Those are really well designed and cover basic concept. The next window is where the alias for the layers to recognizable names i.e. Layer 1 should be renamed Coastal aerosol, Layer 2 renamed as Blue, etc Check. Object-Oriented Resources Course Manual The Object-oriented course manual covers each of the 8 online units as an Adobe PDF.
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Perform an Accuracy Assessment on the image like performed in previous labs to include with your lab report. Larefa Bidoun February 24, at 6: Click on Select Features to add all the attributes. Students will use eCognition to produce a supervised classified map based on Object Based Image Analysis.
Sorry, your blog cannot share posts by email. Make sure to take screen shots of the first and last segmentation; state what parameters you used for the final segmentation and attach them in your report. Go to the Class Hierarchy box and click on Urban and make eclgnition it is highlighted. Right click in the Process Tree box and click on Append New; for the Algorithm drop down menu select classification.
Remember to titorial the class in the class hierarchy before selecting the samples for it. After you are comfortable, work through overview of the tutorials on the next few pages.
Wahaj September 20, at Make sure to compare the supervised classification from this lab with the one from ERDAS Imagine and provide map compositions of both. Skip to main content.
Layer 1 should be renamed Coastal aerosol, Layer 2 renamed as Blue, etc Next, take some time to work through the guided tours to get yourself familiar with eCognition. These tutorials serve two main purposes.
The broken links have been fixed. Continue decreasing the Scale Parameter by 10 and note that the object sizes get smaller until you come to the optimal scale i. Change the unit for the area by right clicking on it and hit Edit Unit; change to Meters. View the following image for details on what each button does.
By continuing to use this website, you agree to their use. Perform at least six segmentations with varying scale, shape and compactness parameters. Click Ok to close the Feature Select window, make sure your window matches the image below and then click Export.
To make it easier to figure out what is what play with the buttons shown in the image below. How to Configure eCognition for the Tutorials There are two important settings you should adhere to in order to best make use of these tutorials and when using eCognition in general: Qiusheng Wu September 20, at Quick search Enter search terms or a module, class or function name.
Be sure to view your classification by clicking the Classification View button. Created using Sphinx 1.