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| Evaluate the Validity of Using the Non-Metric Photographs For Documenting Historical Buildings |
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Tarek M.A.,
ZHU Qing,
Abbas M. El-Din,
Essam M. Fawaz,
A. Esmat and Said El-Maghraby |
Abstract:
In this study, we will evaluate both of the effect of
the number of control points and the effect of the ratio of the base line
distance (B) over the object distance (D) [(B/D) ratio] on the accuracy
obtained from the ground coordinates using non-metric photographs for
documenting historical buildings. A wall of Moid Shikh historical mosque
located in Ghoria, beside Bab Ziwala, Cairo, Egypt, is employed as a test
object. The data acquisition and the analysis of the results for number
of control points and the ratio of the base distance (B) to the object
distance (D) [(B/D) ratio] are presented in this study. The results for
evaluated the effect of the number of control points on the accuracy obtained
from non-metric photographs for documenting historical buildings show,
when the number of control points increasing, the accuracy is increasing.
Also, the effect of [(B/D) ratio] on the accuracy shows the relations
Y, Z and R direction are directly proportionally in the range of 0.5≤(B/D)
ratio≤1.0, while the relations are inversely proportionally in the
range of 1.0≤(B/D) ratio≤1.5. Only the relation in X-direction is
not matched with the other relations.
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How to cite this article:
Tarek M.A., ZHU Qing, Abbas M. El-Din, Essam M. Fawaz, A. Esmat and Said El-Maghraby, 2008. Evaluate the Validity of Using the Non-Metric Photographs For Documenting Historical Buildings. Journal of Applied Sciences, 8: 3845-3853.
DOI: 10.3923/jas.2008.3845.3853
URL: https://scialert.net/abstract/?doi=jas.2008.3845.3853
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