Research Article
Sep 1968
Determination of Perspective Generating Parameters
Publication: Journal of the Surveying and Mapping Division
Volume 94, Issue 2
Abstract
A photogrammetric method for the determination of the generating parameters of a photograph is presented. The generating parameters are defined as six independent coordinates from which a photograph may be geometrically reproduced by considering a large number of points in the three-dimensional object space and transforming these to the two-dimensional space of the photograph. These parameters consist of the coordinates of the point where the camera is located, the symmetric equations of the line along the optical axis of the camera, and a linear scale factor associated with the photograph, enlarged to any magnification. The desired six parameters are iteratively determined by the method of least squares by considering five or more points in the object space whose rectangular coordinates are known or may be estimated with a high degree of accuracy. Good agreement with experimental results was obtained and an application is described.
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Published In
Journal of the Surveying and Mapping Division
Volume 94 • Issue 2 • September 1968
Pages: 95 - 100
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Sep 1968
Published online: Feb 12, 2021
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Authors
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Walter D. Bernhart
Prof. of Engrg. Mechanics, Wichita State Univ., Wichita, Kans.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.