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.
The second is to introduce you to the eCognition software package. Open the newly created shapefile in ArcMap and do a map composition to include in the lab report. Go to the Class Hierarchy box and click on Urban and make sure it is highlighted.
Put results of areas in a table and calculate percent difference to see the difference in areas from the two classified images; a sample table is below. You should be able to download the tutorials now. GIS and Science Applications of geospatial technology for scientific research and understanding.
The first is to help you translate the elements of image interpretation you learned in the previous lesson into automated workflows. By continuing to use this website, you agree ecognigion their use.
Continue decreasing the Scale Parameter by uttorial and note that the object sizes get smaller until you come to the optimal scale i. This ecognitioj turn the segment to the color of the class that is selected. Email required Address never made public. Next, take some time to work through the guided tours to get yourself familiar with eCognition.
Click on Select Features to add all the attributes. Right click in the Process Tree box and click on Append New; for the Algorithm drop down menu select classification.
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eCognition Tutorials | GEOG Remote Sensing for Geospatial Intelligence Professional
The next window is where the alias for the layers to recognizable names i. The eight elements of image interpretation are distilled down to four main categories: Repeat these steps for Forest, Pasture, and Water and make sure that you label and give the appropriate colors to class. Notify me of new comments via email. The first feature you want to add to the attribute table is the tuyorial of each class. Thank you for your interest in my blog.
Once there, download the Project and Data file as well as the Instructions to complete the tutorials for all four categories. Upper Susquehanna Coalition Updates.
This makes sure that your selections go to that class. To make it easier to figure out what is what play with the buttons shown in the image below.
Once finished use the last segmentation you preformed and follow the remaining steps. Perform at least six segmentations with varying scale, shape and compactness parameters.
eCognition Tutorials |
Follow this path to add the area: Created using Sphinx 1. View the following image for details on what each button does. The first window is to select the image that will be used. Qiusheng Wu September 20, at How to Configure eCognition for the Tutorials There are two important settings you should ecoynition to in order to best make use of these tutorials and when using eCognition in general: Be sure to view your classification by clicking the Classification View ecognitiin.
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Notify me of new posts via email. You are commenting using your WordPress. Change the unit for the area by right clicking on it and hit Edit Unit; change to Meters. You are commenting using your Facebook account. Esri Australia Technical Blog. Zoom down to an area that is urban and double click inside the segments that overlay urban areas or hold the shift key and click once in the segment.
Posted by Qiusheng Wu. 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. Remember to select the class in the class hierarchy before selecting the samples for it. Preparation First, sign up for an eCognition Community account. Perform an Accuracy Assessment on the image like performed in previous labs to include with your lab report.
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