BRAE 345
Terms
undefined, object
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- AOI
- Area of Interest in an image
- Band
- Portion of the electro magnetic spectrum that is collected
- Bit depth
- The range of values that can be stored in a single pixel value
- Datum
- A reference model that defines and fixes a coordinate system
- DEM
- File with X Y Z values over a grid for terrain modeling.
- DOQQ
- An orthophoto that covers 1/4 of a 7 1/2 minute Quad
- DPI
-
the number of pixels along a 1 inch line
Dots/inch - Feature space
- Plot of pixel values between two bands
- GCP's
- Ground Control Points
- Geoid
- An equal potential surface of the earth at sea level
- Georeference
- Relating data to an established coordinate system
- Mid Infra Red
- Wavelength 1.3-3.0 um on the electromagnetic spectrum
- NAD83
- The current datum used for the State Plane Coordinate System
- Nadir
- The point on the photo directly below the focal point (not always below on Map)
- Near Infra Red
- Wavelength .72-1.3 um
- NHAP
- National High Altitude Photography program
- Parallax
- The amount of shift along the flight line between two photos on the same point
- Photo Base
- Distance from the principal point to the conjugate principle point
- Priciple Point
- Center of the Photo
- Projections
- Two dimensional representation of the 3d object
- Rectification
- Converting an image to a specific coordinate system
- Red
- Wavelength .60-.72 um
- Temporal
- Time Difference
- WGS 84
- Current Datum used for GPS