ENS 243: Introduction to Remote Sensing
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Questions and Answers

What does the tone of an object or its spectral signature primarily describe?

  • The shape of the object
  • The top color of the object (correct)
  • The roughness of the object
  • The size of the object

    • What can changes in water tone typically signal?

  • The direction of the water flow
  • The depth and quality of the water (correct)
  • The distance to the water source
  • The speed of the water flow

    • Which of the following features is usually characterized by a light tone?

  • Deep water bodies
  • Rough forest canopy
  • Healthy and dense vegetation
  • Bare soil or areas (correct)

    • What does the texture of an image feature represent?

    <p>The degree of roughness</p> Signup and view all the answers

    What is characterized by a mottled tone with abrupt changes in grey levels in a small area?

    <p>Rough textures</p> Signup and view all the answers

    What determines the overall visual smoothness or coarseness of image features?

    <p>Texture</p> Signup and view all the answers

    What is the primary function of shadows in aerial photographs?

    <p>To determine the height of objects</p> Signup and view all the answers

    What is the term used to describe the presence of certain features in relation to others?

    <p>Association</p> Signup and view all the answers

    What can be used to determine the height of objects in aerial photographs?

    <p>Shadows</p> Signup and view all the answers

    What is an example of a feature that is usually characterized by a dark tone?

    <p>Healthy and dense vegetation</p> Signup and view all the answers

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