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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Thank you for your interest in my blog. Make sure to compare the supervised classification from this lab with the one from ERDAS Imagine and provide map compositions ecognltion both. Right click in the Process Tree box and click on Append New; for the Algorithm drop down menu select classification.
Email required Address never made public. Open the newly created shapefile in ArcMap and do a map composition to include in the lab report. The first feature you want to add to the attribute table is the area of each class.
Supervised Classification and Change Detection. For each category, there is “conceptual” tutorial that illustrates the concepts using a simplified dataset, then a “real world” example that shows you how to apply what you have learned tuforial actual remotely sensed data. Fill in your details below or click an icon to log in: To find out more, including how to control cookies, see here: Be sure to view your classification by clicking the Classification View button.
View the following image for details on what each button does. You are commenting using your Facebook account.
eCognition Tutorials | GEOG Remote Sensing for Geospatial Intelligence Professional
Go to the Class Hierarchy box and click on Urban and make sure it is highlighted. You should be able to download the tutorials now.
Follow this path to add the area: Leave a comment Comments 4.
This will turn the segment to the color of the class that is selected. Writing Science How to write papers that get cited and proposals that get funded. Type Ecognitlon into the box for Name and change the box for selecting colors to red, then click OK. Layer 1 should be renamed Coastal aerosol, Layer 2 renamed as Blue, etc Posted by Qiusheng Wu.
eCognition Segmentation and Supervised Classification — Remote Sensing
These tutorials will help you understand the principals and practices of object-based image analysis using the eCognition software package. Perform an Accuracy Assessment on the image like performed in previous labs to include with your lab report.
Quick search Enter search terms or a module, class or function name. Continue decreasing the Scale Efognition 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. Preparation First, sign up for an eCognition Community account.
Repeat these tutlrial for Forest, Pasture, and Water and make sure that you label and give the appropriate colors to class.
There are two important settings you should adhere to in order to best make use of these tutorials and when using eCognition in general:. Once finished use the last segmentation you preformed and follow the remaining steps. Click Ok to close the Feature Select window, make sure your window matches the ecognktion below and then click Export.
Remember to select the class in the class hierarchy before selecting the samples for it. The next window is where the alias for the layers to recognizable names i.
Qiusheng Wu September 20, at 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. Created using Sphinx 1. 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: Notify me of new posts via email.
Larefa Bidoun February 24, at 6: By continuing to use this website, you agree to their use. Next, take some time to dcognition through the ecognitikn tours to get yourself familiar with eCognition. 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. After you are comfortable, work through overview of the tutorials on the next few pages.
Notify me of new comments via email. Wahaj September 20, at