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Calibration of Low Cost Digital Camera Using Data from Simultaneous Lidar and Photogrammetric Surveys : Volume Xxxix-b1, Issue 1 (23/07/2012)

By Mitishita, E.

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Book Id: WPLBN0004016342
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Calibration of Low Cost Digital Camera Using Data from Simultaneous Lidar and Photogrammetric Surveys : Volume Xxxix-b1, Issue 1 (23/07/2012)  
Author: Mitishita, E.
Volume: Vol. XXXIX-B1, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus Publications
Publication Date:
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications


APA MLA Chicago

Centeno, J., Debiasi, P., Hainosz, F., & Mitishita, E. (2012). Calibration of Low Cost Digital Camera Using Data from Simultaneous Lidar and Photogrammetric Surveys : Volume Xxxix-b1, Issue 1 (23/07/2012). Retrieved from

Description: Department of Geomatics, Federal University of Parana, UFPR, Centro Politécnico, Setor de Ciências da Terra CEP 81531-990, Curitiba, Paraná, Brazil. Digital photogrammetric products from the integration of imagery and lidar datasets are a reality nowadays. When the imagery and lidar surveys are performed together and the camera is connected to the lidar system, a direct georeferencing can be applied to compute the exterior orientation parameters of the images. Direct georeferencing of the images requires accurate interior orientation parameters to perform photogrammetric application. Camera calibration is a procedure applied to compute the interior orientation parameters (IOPs). Calibration researches have established that to obtain accurate IOPs, the calibration must be performed with same or equal condition that the photogrammetric survey is done. This paper shows the methodology and experiments results from in situ self-calibration using a simultaneous images block and lidar dataset. The calibration results are analyzed and discussed. To perform this research a test field was fixed in an urban area. A set of signalized points was implanted on the test field to use as the check points or control points. The photogrammetric images and lidar dataset of the test field were taken simultaneously. Four strips of flight were used to obtain a cross layout. The strips were taken with opposite directions of flight (W-E, E-W, N-S and S-N). The Kodak DSC Pro SLR/c digital camera was connected to the lidar system. The coordinates of the exposition station were computed from the lidar trajectory. Different layouts of vertical control points were used in the calibration experiments. The experiments use vertical coordinates from precise differential GPS survey or computed by an interpolation procedure using the lidar dataset. The positions of the exposition stations are used as control points in the calibration procedure to eliminate the linear dependency of the group of interior and exterior orientation parameters. This linear dependency happens, in the calibration procedure, when the vertical images and flat test field are used. The mathematic correlation of the interior and exterior orientation parameters are analyzed and discussed. The accuracies of the calibration experiments are, as well, analyzed and discussed.



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