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Remote Sens. 2013, 5(4), 1875-1893; doi:10.3390/rs5041875

Generating Virtual Images from Oblique Frames

Department of Cartography, UNESP-Univ Estadual Paulista, Presidente Prudente-SP, 19060-900, Brazil
Aerocarta SA, São Paulo-SP, 04566-000, Brazil
Current address: Centro de Ci
Author to whom correspondence should be addressed.
Received: 20 February 2013 / Revised: 20 March 2013 / Accepted: 20 March 2013 / Published: 15 April 2013
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Image acquisition systems based on multi-head arrangement of digital cameras are attractive alternatives enabling a larger imaging area when compared to a single frame camera. The calibration of this kind of system can be performed in several steps or by using simultaneous bundle adjustment with relative orientation stability constraints. The paper will address the details of the steps of the proposed approach for system calibration, image rectification, registration and fusion. Experiments with terrestrial and aerial images acquired with two Fuji FinePix S3Pro cameras were performed. The experiments focused on the assessment of the results of self-calibrating bundle adjustment with and without relative orientation constraints and the effects to the registration and fusion when generating virtual images. The experiments have shown that the images can be accurately rectified and registered with the proposed approach, achieving residuals smaller than one pixel.
Keywords: photogrammetry; dual head; camera calibration; fusion of multiple images photogrammetry; dual head; camera calibration; fusion of multiple images
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Tommaselli, A.M.G.; Galo, M.; de Moraes, M.V.A.; Marcato, J., Jr.; Caldeira, C.R.T.; Lopes, R.F. Generating Virtual Images from Oblique Frames. Remote Sens. 2013, 5, 1875-1893.

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