Mevlana Türbesi Civarında Oluşan Kentsel Gelişim ve Değişimlerin Hava Fotogrametrisi Verilerinden Yararlanarak Görüntülenmesi

Year 2019, , 433 - 443, 15.07.2019

Cihan Altuntaş

https://doi.org/10.17714/gumusfenbil.463552

Abstract

Fotogrametrik görüntülerden otomatik olarak tanımlanan yerel özellik
noktaları ile görüntüler arasında eşlenik noktalar oluşturulabilmekte ve
fotogrametrik bağıntılar yardımı ile istenilen sıklıkta nokta ölçüsü
gerçekleştirilebilmektedir. Fotoğraflardan elde edilen ölçü noktalarının
oluşturduğu nokta bulutu araziye ait zengin konum bilgisi içermektedir. Diğer
yandan ardışık nokta bulutu ölçülerinin karşılaştırılması ile görüntü alanına
ait değişiklikler tespit edilebilir. Bu çalışmada Konya ili Mevlana Türbesi
civarında oluşan kentsel değişimler incelenmiştir. 1951, 1975 ve 2010 yıllarına
ait fotogrametrik görüntülerden yoğun nokta bulutları oluşturulmuş ve nokta
bulutları arasındaki düşey farklar ile kentsel alan değişimleri
görüntülenmiştir. Ayrıca ölçü periyotlarına ait ortofoto görüntüler
oluşturularak değişimlerin görsel olarak değerlendirilebilmesi sağlanmıştır.

Keywords

Fotogrametri, Hava fotoğrafı, Kentsel değişim, Ortofoto, Yoğun nokta bulutu

Urban Growing and Change Visualization in Mevlana Region Using Spatial Data from Aerial Images

Abstract

Keypoints which is
detected automatically from images enable conjugate points creation between
photogrammetric images, and dense point cloud can be generated by proceeding
the photogrammetric process. The dense point cloud data includes many spatial
information related to imaging area. On the other hand topographic changes can
be detected by comparing two periods of point clouds. In this study urban
changes in Mevlana region of Konya city was visualized by comparing three
periods of point clouds belong the year 1951, 1975 and 2010. The urban changes
were estimated with the vertical distances between compared point clouds. In
addition, orthophoto images were created for analysing the related changes.

Keywords

Photogrammetry, Aerial image, Urban change, Orthophoto, Dense point cloud

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