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

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.

Anahtar Kelimeler:

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

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

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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