This chapter’s lab will get you started about thinking about how objects
appear from the sky rather than the ground. You’ll be examining a series
of images in terms of the elements of visual image interpretation from the
chapter—think of it like being a detective and searching the image for clues
to figure out just what it is you’re looking at. You should be able to figure
out what, exactly, you’re looking at, or to at least narrow down the objects
to a short list before using other data to help in determining what you’re
looking at.
Although the items you’ll be examining are all large and prominent
objects, buildings, or other features, the application of visual image interpretation elements for these simple (and hopefully, fun) examples will help get
you started with looking at the world from above.
Objectives
The goals for you to take away from this exercise are:
a Thinking of how objects look from an aerial perspective.
a Applying the elements of visual image interpretation (as described in the
chapter) in order to discern the identity of objects in the images.
Obtaining Software
There is no special software used in this lab, aside from whatever program
your computer uses to view graphics and images. You may find Google Earth
useful during the lab, however.
Lab Data
Copy the folder ‘Chapter9’—it contains a series of JPEG images (.jpg files)
that contain items you will be attempting to interpret. These are numbered,
and tend to increase in difficulty of interpretation as the numbers go up.
Localizing This Lab
The images used in this lab were taken from a variety of locations around
the United States. You could use Google Earth, MSR Maps, or Bing Maps to
locate good overhead views of nearby areas (showing prominent developed
or physical features) to build a dataset of local imagery to use for visual image
interpretation.
9.1 Geospatial Lab Application
Visual Imagery Interpretation
289
appear from the sky rather than the ground. You’ll be examining a series
of images in terms of the elements of visual image interpretation from the
chapter—think of it like being a detective and searching the image for clues
to figure out just what it is you’re looking at. You should be able to figure
out what, exactly, you’re looking at, or to at least narrow down the objects
to a short list before using other data to help in determining what you’re
looking at.
Although the items you’ll be examining are all large and prominent
objects, buildings, or other features, the application of visual image interpretation elements for these simple (and hopefully, fun) examples will help get
you started with looking at the world from above.
Objectives
The goals for you to take away from this exercise are:
a Thinking of how objects look from an aerial perspective.
a Applying the elements of visual image interpretation (as described in the
chapter) in order to discern the identity of objects in the images.
Obtaining Software
There is no special software used in this lab, aside from whatever program
your computer uses to view graphics and images. You may find Google Earth
useful during the lab, however.
Lab Data
Copy the folder ‘Chapter9’—it contains a series of JPEG images (.jpg files)
that contain items you will be attempting to interpret. These are numbered,
and tend to increase in difficulty of interpretation as the numbers go up.
Localizing This Lab
The images used in this lab were taken from a variety of locations around
the United States. You could use Google Earth, MSR Maps, or Bing Maps to
locate good overhead views of nearby areas (showing prominent developed
or physical features) to build a dataset of local imagery to use for visual image
interpretation.
9.1 Geospatial Lab Application
Visual Imagery Interpretation
289