NDLI: High precision pointing system for airborne sensors

Content Provider	IEEE Xplore Digital Library
Author	Reid, D.B. Lithopoulos, E.
Copyright Year	1998
Description	Author affiliation: Applanix Corp., Toronto, Ont., Canada (Reid, D.B.)
Abstract	The Position and Orientation System for Direct Georeferencing (POS/DG) is an off-the-shelf integrated GPS/inertial system designed specifically for airborne applications. It performs high quality measurements of position and orientation of an airborne sensor. Using an Inertial Measurement Unit (IMU) as the primary sensor, POS/DG achieves measurement accuracies of about 10 to 20 cm (RMS) in position and 20 to 30 are seconds (RMS) in attitude. POS/DG is used with airborne sensors requiring high-accuracy attitude measurements such as aerial cameras, multispectral scanners, laser scanners and digital cameras. For aerial cameras, POS/DG's performance enables the direct georeferencing of aerial photos to about 20 microns without aerial triangulation and ground control. The elimination of the aerotriangulation process translates to large savings in post-processing, data turn-around and flying time. The application of POS/DG to airborne photogrammetry is discussed and flight test results are presented.
Starting Page	303
Ending Page	308
File Size	557693
Page Count	6
File Format	PDF
ISBN	0780343301
DOI	10.1109/PLANS.1998.670098
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-04-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensor systems Global Positioning System Position measurement Productivity Digital cameras Satellites Photography Performance evaluation Measurement units Testing
Content Type	Text
Resource Type	Article

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