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العنوان
New hybrid technique for geometric correction of high resolution satellite imagery /
الناشر
Ahmed Abdo Nasr Habib ,
المؤلف
Ahmed Abdo Nasr Habib
هيئة الاعداد
باحث / Ahmed Abdo Nasr Habib
مشرف / Zeinab Abdelghany Wishahy
مشرف / Mohamed Shawki Elghazaly
مشرف / Zeinab Abdelghany Wishahy
تاريخ النشر
2019
عدد الصفحات
78 P. :
اللغة
الإنجليزية
الدرجة
الدكتوراه
التخصص
الهندسة المدنية والإنشائية
تاريخ الإجازة
7/10/2019
مكان الإجازة
جامعة القاهرة - كلية الهندسة - Civil Engineering
الفهرس
Only 14 pages are availabe for public view

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Abstract

An Artificial neural networks (ANN) MATLAB software was developed with multi-layer perceptron (MLP) technique to derive the geometric correction coefficients. The Artificial neural network training was done using the deduced control points in a way that, image coordinates were used as input and the ground coordinates as output till reaching stabilization state of the neural network parameters. A change in the nature of the distribution of errors has been noted, as a result of the numerical stability of the neural network. A new technique was developed using neural networks to predict the earth coordinates of a set of new regular image points in the same area of the deduced random point{u2019}s data set and a new DDSM model. The RFM model was reused by implementing regularized points to reach the final model coefficients between satellite imagery space domain and ground space domain. The new technology improved accuracy by reducing the planimetric error by 39% and the elevation error by 45% of the error recorded when using traditional RFM model