Introduction to Aerial Photography Interpretation

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Introduction to Aerial Photography Interpretation
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Remote Sensing

• The measurement of information of some property
  of an object by a recording device that is not in
  physical contact with that object.

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Photo Interpretation

• The act of examining aerial photographs/images
  for the purpose of identifying objects and
  analyzing their significance

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Air Photo Interpretation

• Can you guess what you are looking at on the
  following slides?

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Issues with aerial photography

• Oblique (tilted) vs. vertical
• Small scale (less detail, larger area) vs. large
  scale (more detail, smaller area) vs.

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Low Oblique
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High oblique
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Vertical
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Small scale
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Large scale
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Elements of air photo interpretation

• These elements are what you use as clues when
  interpreting an image
• Tone/color
• Size (absolute/relative)
• Shape
• Texture
• Pattern
• Site
• Association
• Shadow

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Tone/color
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Size
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Shape
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Texture
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Pattern
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Site
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Association
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Shadow
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Air Photo Applications

• Important for land planning and management
  activities
• Land cover
• Types of features (ex. Corn field, forest, lake)
• Land use
• Economic function (ex. Agriculture, residential,
  industrial)