Implementation of a Three-Dimensional Matching for Digital Photography

Homaiinejad, Amir Saeed

Document Type : Research Paper

Author

Amir Saeed Homaiinejad

Educational Department of Surveying, K. N. Toosi University of Technology

Abstract

This paper presents the results of a practical automatic three-dimensional matching project. It consists of two major parts.
The first part is related to the automatic three-dimensional matching project implemented for a digital close range photography test. The components of this test include two CCD cameras with a resolution of 758×580 Pixels set on a 70cm horizontal bar. These cameras are set at a distance of 3m from the object. A new type of signs which have been devised for identification and extraction of control points from photos have been set on an around the area under examination. A computer program was prepared for automatic identification and extraction of these signs by computer.
The program is able to create a three-dimensional spatial shape (a model) from two images with cover automatically. The practical method is based on the Bundle Block Adjustment.
The second test was carried out with the aim of working with digitalized aerial photos. These signs have been set in place of fiducial marks and at ground control points. This test is somehow different from the first test, because in this case the program must first carry out the internal justification and then the relative and absolute adjustments.
In general, this paper discusses a method which is used for achievement of automatic matching in digital photography.

20.1001.1.25883860.1377.7.27.2.8

References

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Scientific- Research Quarterly of Geographical Data (SEPEHR)

Implementation of a Three-Dimensional Matching for Digital Photography

References

References

Volume 7, Issue 27
November 1998
Pages 12-18

Implementation of a Three-Dimensional Matching for Digital Photography

References

References

Volume 7, Issue 27November 1998Pages 12-18

Volume 7, Issue 27
November 1998
Pages 12-18