Wednesday, April 5, 2023

Object Based Classification

     This week labs deals with classify rasters by using object classification inside of ArcGIS Pro. The instructor provided a demonstration on operating classification wizard and then asked us to create steps to perform object classification in the future.  My generate steps are listed below:

  1. Use the Extract Bands function to better identify your object by selecting which bands to extract
    1. EX vegetation
  2. Open the Classification Wizard
    1. Confirm Object based classification is selected
    2. Select Default classifciation schema
    3. Segment the Images
    4. Confirm the desired
      1. Spectral Detail
      2. Spatial Detail
    5. Create the Preview Segment
  3. Training Samples
    1. Remove the default classes
    2. Create new parent classes
      1. set values
      2. set colors
    3. Create specific classes
      1. Select the class and use the polygon tools to train the ai
      2. Collapse the polygons to create a single class
    4. Select the Classifier (Support Vector Machine)
    5. Run the Preview Classification
    6. Run the Classification and set the output
    7. Reclassify any errors
    8. Finish the Classification Wizard
After completing our instructions we were ordered to classify a neighborhood into permeable and impermeable surfaces. 


AT 319 Final Project

     The final project of AT 319 was a culmination of the labs of the course. First we needed to understand mission planning and how to oper...