Image Analysis for Defense and Intelligence

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Lesson 1:  Imagery in ArcGIS Pro

• Supported sensors
  • Help topic: List of supported sensors—ArcGIS Pro | Documentation 

• Satellite sensor raster types
  • Help topic: Satellite sensor raster types—ArcGIS Pro | Documentation 

• Rasters in ArcGIS Pro:  
  • Help topic: Essential Esri imagery and raster terms This Help topic provides definitions of various raster terms, including nice definitions of Raster Dataset and Mosaic Dataset.
  • Chapter 5: Working with Imagery of Imagery and GIS – Best Practices for Extracting Information from Imagery by Kass Green, Russel G. Congalton, and Mark Tukman
  • Help topic: Overview of image management This help topic and the ones following describe essential image management techniques that are crucial to successful image analysis.
  • Web Course: Managing Raster Data Using ArcGIS  This web course provides more background about mosaic datasets.

• Raster Resolution:
  • Help topic: Types of imagery data used in the Image Analyst extension This help topic provides a good introduction to Spatial, Spectral and Temporal resolution of imagery, and  the various types of imagery
  • Chapter 3: Imagery Fundamentals of Imagery and GIS – Best Practices for Extracting Information from Imagery by Kass Green, Russel G. Congalton, and Mark Tukman
    • Spectral Resolution: p. 51-54
    • Radiometric Resolution: p. 54-55
    • Spatial Resolution: p. 55-57
    • Viewing Angle: p. 57-61

• The electromagnetic Spectrum:
  • The ArcGIS Imagery Book, by Clint Brown and Christian Harder, Chapter 4: Perceiving the Imperceptible
  • Chapter 3: Imagery Fundamentals of Imagery and GIS – Best Practices for Extracting Information from Imagery by Kass Green, Russel G. Congalton, and Mark Tukman
    • The Electromagnetic spectrum: p. 31-32

• Imagery Types
  • Help topic: Types of imagery data used in the Image Analyst extension—ArcGIS Pro | Documentation 

Lesson 2 and 3:  Visualizing and Analyzing Oblique Imagery

• Work with imagery in perspective mode
  • Help topic: Work with imagery in perspective mode—ArcGIS Pro | Documentation 
  • Help topic: Introduction to image space analysis—ArcGIS Pro | Documentation

• Image mensuration
  • help topic: Image mensuration—ArcGIS Pro | Documentation 

Lesson 4:  Change detection for Operations

• What are Raster Functions?
  • Web Course: Processing Raster Data Using ArcGIS Pro This web course teaches on-the-fly processing of rasters and imagery using raster functions and raster function chain.

• Types of Raster functions
  • Help topic: Raster Functions This help topic explains what raster functions are and defines local, global and custom functions.

• Using Raster Functions
  • Help topic: Raster Functions pane This help topic provides guidance on finding and using raster functions,
  • Help topic: Raster Function History This help topic may be helpful for troubleshooting during the exercise
  • Help topic: List of Raster Functions  This help topic provides descriptions of each of the system raster functions.

• Types of Change Detection
  • Chapter 11: Change Analysis of Imagery and GIS – Best Practices for Extracting Information from Imagery by Kass Green, Russel G. Congalton, and Mark Tukman
  • Web Course: Change Detection Using Imagery This web course provides examples of change detection workflows starting out with visual change detection and then going into quantifying change using different band combinations and indices.

• Change detection workflow:
  • Video: Chapter 20 Change Detection Using Landsat Imagery This video demonstrates change detection using raster functions
  • ArcGIS Blog: The Art and Science of Imagery Change Detection Slightly older article, but still useful for providing background and examples.

• Preprocessing rasters for change detection
  • Help topic: Resample function The Resample function changes the raster pixel size using different resampling methods.
  • Help topic: Extract Band function The Extract band function allows to extract or reorder one or more bands from a multiband dataset.
  • Help topic: Clip function
  • Help topic: Apparent reflectance function
  • Help topic: Indices gallery

Lesson 5:  Principles of Image Classification

• Defining image classification
  • Web Course: Introduction to Image Classification This course introduces options for creating thematic classified rasters in ArcGIS.

• Describing image classification outputs
• The ArcGIS Imagery Book, by Clint Brown and Christian Harder, Chapter 5: Turning Imagery into Information
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• Image Classification types and methods
  • Help topic: Overview of image classification  This help topic provides concise descriptions of commonly used image classification terms and tools, and discusses supervised vs. unsupervised classification and the object-based vs pixel-based approaches.
  • GISGeography Article: Image Classification Techniques in Remote Sensing This article provides a discussion of different image classification techniques, as well as some background on the timeline of when they were developed.
  • USGS website: National Land Cover Database This website provides an overview and description of the National Land Cover Database (NLCD) and their landcover categories.
  • Video: Intro to Image Segmentation, Classification and Machine Learning
  • Help topic: List of ArcGIS Image Analyst extension raster functions This help topic provides a starting point for studying the Classification functions, especially Classify.
  • Chapter 10: Image Classification of Imagery and GIS – Best Practices for Extracting Information from Imagery by Kass Green, Russel G. Congalton, and Mark Tukman
  • Semiautomated Image Classification: p. 275-276

Lesson 6: Performing Pixel-based Unsupervised Classification

• Image classification workflows
  • Learn lesson: Calculate Impervious Surfaces from Spectral Imagery
  • Video: Image Classification Demo Image Classification Demo from Imagery Webinar held by Esri Industries
  • Help topic: Complete List of ArcGIS Image Analyst extension geoprocessing tools This help topic provides a starting point for studying the Segmentation and Classification geoprocessing tools.

• Classifying a raster with the Image classification wizard
  • Help topic: The Image Classification Wizard This help topic provides an overview of the Image Classification wizard.

• Unsupervised Image Classification:  ISO Cluster Unsupervised Classification (Spatial Analyst)—ArcGIS Pro | Documentation

Lesson 7: Performing Object-based Supervised Classification

• Segmentation
  • Help topic: Understanding segmentation and classification This is the main help topic to study to understand segmentation. It also includes references to the related scientific publications used for implementing the segment mean shift algorithm.
  • Help topic: Segmentation This Help topic provides an explanation of the different parameters in the segment mean shift tool
  • Blog Post: Pass the classification but hold the salt and pepper This article provides a discussion of how to optimize the segmentation parameters for classification.
  • Technical Workshop presentation: Image Segmentation and Classification
  • Technical Workshop presentation: Image Segmentation, Classification, and Machine Learning
  • Science Direct: Object based image analysis for remote sensing by T. Blaschke This article provides a scientific background for the object-based classification approach.
    • Chapter 10: Image Classification of Imagery and GIS – Best Practices for Extracting Information from Imagery by Kass Green, Russel G. Congalton, and Mark Tukman
      • Image Segmentation: p. 278-279

Lesson 8: Motion Imagery Analysis

• Introduction to full motion video
  • Help topic:  Introduction to Full Motion Video—ArcGIS Pro | Documentation
• Object tracking in motion imagery:  Object tracking in motion imagery—ArcGIS Pro | Documentation
• Motion imagery geoprocessing functions:  Motion Imagery geoprocessing functions—ArcGIS Pro | Documentation

[DesuMelese]

good content