THE EFFECT OF FLIGHT PARAMETERS IN GEOMETRIC CALIBRATION RESULTS FOR DIGITAL CAMERA ULTRA CAM

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BABAPOUR HADI; MOKHTARZADEH MAHDI; VALADAN ZOUJ MOHAMAD JAVAD

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Journal: ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY Year:2017 | Volume:5 | Issue:3 Page(s): 153-173

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Title

THE EFFECT OF FLIGHT PARAMETERS IN GEOMETRIC CALIBRATION RESULTS FOR DIGITAL CAMERA ULTRA CAM

Author(s)

BABAPOUR HADI | MOKHTARZADEH MAHDI | VALADAN ZOUJ MOHAMAD JAVAD | Issue Writer Certificate

Keywords

SELF CALIBRATIONQ1

ADDITIONAL PARAMETERSQ1

FLIGHT PARAMETERSQ1

DIGITAL CAMERA ULTRA CAMQ1

Abstract

Due to the appearance of new digital cameras and variability in manufacturing and technology, the necessity to camera calibration used in this type become a primary need. The high cost and difficulty of implementing the calibration laboratory, made using equations self-calibration in field sites as a practical solution in this regard. One of the important factors that influence investor in the ultimate accuracy of self-calibration method, is flying parameters, designing methods and Conditions of obtaining images. In this article, we design a photogrammetric blocks in different flight simulation and validation, to implement self-calibration geometric methods on a variety of photogrammetric blocks studied and also the effects of flying on geometric self-calibration results has been studied. Forward and side overlap as the most important factor in improving the accuracy of their methods of geometrical calibration results are presented. Forward overlap of 60 percent to 80 percent and increased side overlap of 20 percent to 60 percent, improving positioning accuracy of 18% were obtained. As well as non-vertical photograph flight, most effective factor in reducing the correlation between the exterior orientation and self-calibration parameters known, so as to increase the range of parameter w (˚25>w>-25˚) relative reduction of 3 to 5 percent of the external correlation. In addition, in this study it was found that the same adjustment image blocks in two different heights increase the number of equations and thus increase the accuracy in the adjustment block is at a height of flight.

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APA: Copy

BABAPOUR, HADI, MOKHTARZADEH, MAHDI, & VALADAN ZOUJ, MOHAMAD JAVAD. (2017). THE EFFECT OF FLIGHT PARAMETERS IN GEOMETRIC CALIBRATION RESULTS FOR DIGITAL CAMERA ULTRA CAM. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, 5(3 ), 153-173. SID. https://sid.ir/paper/230032/en

Vancouver: Copy

BABAPOUR HADI, MOKHTARZADEH MAHDI, VALADAN ZOUJ MOHAMAD JAVAD. THE EFFECT OF FLIGHT PARAMETERS IN GEOMETRIC CALIBRATION RESULTS FOR DIGITAL CAMERA ULTRA CAM. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY[Internet]. 2017;5(3 ):153-173. Available from: https://sid.ir/paper/230032/en

IEEE: Copy

HADI BABAPOUR, MAHDI MOKHTARZADEH, and MOHAMAD JAVAD VALADAN ZOUJ, “THE EFFECT OF FLIGHT PARAMETERS IN GEOMETRIC CALIBRATION RESULTS FOR DIGITAL CAMERA ULTRA CAM,” ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, vol. 5, no. 3 , pp. 153–173, 2017, [Online]. Available: https://sid.ir/paper/230032/en

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