Appendix A
Acronyms/Glossary
ASOP American Society of Photogrametry
ASPRS American Society for Photogrametry
and Remote Sensing.
CAD/CAM Computer Aided Drafting/Modelling
CALM Conservation and Land Management
Cubic convolution A resampling process
which uses a high order convolution process to determine image output values
DAT Digital Audio Tape
DMSV Digital Multi Spectral Video
DN Digital number - the value given a pixel
according to the radiometric binary integer, i.e. 8 bit
has a range of 0 - 255
dpi Dots Per Inch (resolution)
ERDAS Earth Resource Data Analysis System
ESRI Environmental Systems Research Institute
Gb Gigabyte - 109 bytes - (thousand million
bytes)
GCP Ground Control Point
IBM-PC International Business Machines - Personal
computer
IFOV Instantaneous Field of View
IMG Image file format
Mb Megabyte - 106 bytes - (million bytes)
NIR Near infra red
Null data data of no significance - data file padding
PIMA Peel Inlet Management Authority.
Pixel Picture elements
Raster Files Image files composed of discrete
pixels arranged in a grid.
RMS Root Mean Square
Spatial accuracy Degree of
accuracy associated with the correct geographical attributes of data.
Spatial resolution The level
of spatial detail depicted in the image.
SPOT Systeme Probatoire de Observation de
la Terre. A multispectral satellite sensor.
Specular reflectance A surface smoother
in height than wavelength of incident energy results in the surface behaving
as a smooth reflector and reflecting the majority of incident energy
TAR Tape Archive and Read (UNIX command)
TIFF Tagged Information File Format (graphics
file format)
UTM Universal Trans. Mercator ( map projection)
WST Western Standard Time
Note
ERDAS, Imagine , SparcStation, Adobe Photoshop, ESRI,
IBM-PC, SpecTerra Systems, are copyright or registered trademarks of their
respective owners.