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Definiens Courses

1) Object Oriented Classification

Learning Objectives

By the end of these units you should be aware of: -

  • The purpose of Definiens and the advantages of undertaking object oriented rule based classification.
  • Have a good working knowledge of basic rule based classification using Definiens Developer.
  • Aware of the advanced features available within Definiens Developer from which they could build on in the future as their experience with the software increases.

The Object Oriented Classification course using Definiens Developer 7 only and consists of the below eight units.

View Unit Duration
Data Unit Map
Unit 1. Definiens Introduction 1 hour

Landsat 7 orthol7_20423xs100999.img (Row 204 Path 23 Date 10/09/19999) over North Wales.
Download Unit 1 Data (11.3 MB)

 unit-map-introduction
Unit 2. Image Segmentation 1.5 hours Landsat 7 orthol7_20423xs100999.img (Row 204 Path 23 Date 10/09/19999) over North Wales and the panchromatic scene orthol7_20423_pan.tif (Row: 204 Path: 23 Date 10/09/1999)
Download Unit 2 Data (174 MB)		 unit-map-image-segmentation
Unit 3. Nearest Neighbour Classification 1.5 hours Landsat 7 orthol7_20423xs100999.img (Row 204 Path 23 Date 10/09/19999) over North Wales and the panchromatic scene orthol7_20423_pan.tif (Row: 204 Path: 23 Date 10/09/1999)
Download Unit 3 Data (56 KB)		 unit-nearest-neighbour
Unit 4. Rule Based Classification 1 hour Landsat 7 orthol7_20423xs100999.img (Row 204 Path 23 Date 10/09/19999) over North Wales and the panchromatic scene orthol7_20423_pan.tif (Row: 204 Path: 23 Date 10/09/1999)
Download Unit 4 Data (16.6 MB)		 unit-map-rule-based-classfctn
Unit 5. Threshold Identification 2 hours Identification_of_Thresholds.tif
Download Unit 5 Data (4.0 KB)		 unit-map-theshold-ID
Unit 6. Working with Levels 1.5 hours crowns_forest_image.tif’
Download Unit 6 Data (8.0 KB)		 unit-map-levels
Unit 7. Putting It All Together 4 hours

LandcoverClassificationExample_provided.dcp LandcoverClassificationExample.dcp
Download Unit 7 Data (4.06 MB)

 unit-map-puttin-together
Unit 8. Calculating Image Thresholds 3 hours

Landsat 7 image orthol7_20424xs240799.img (Row: 204 Path: 24 Date 24/07/1999) over South Wales
Download Unit 8 Data (210 MB)

 unit-map-calculating-thresholds

Other Course Suggestions

If you are finding the Object-Oriented Course very difficult then it might be worth working through one of the Image Processing Courses from the Course Selector which addresses alot of the basic principles of remote sensing and image processing.