Optimized geometric handling of high resolution space images


Büyüksalih G., Jacobsen K.

Annual Conference 2005 - Geospatial Goes Global: From Your Neighborhood to the Whole Planet, Baltimore, MD, Amerika Birleşik Devletleri, 7 - 11 Mart 2005, cilt.1, ss.60-68 identifier

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Cilt numarası: 1
  • Basıldığı Şehir: Baltimore, MD
  • Basıldığı Ülke: Amerika Birleşik Devletleri
  • Sayfa Sayıları: ss.60-68
  • Anahtar Kelimeler: Image geometry, Sensor orientation, Space images
  • İstanbul Üniversitesi Adresli: Hayır

Özet

High resolution space images do have an excellent geometric potential. This only can be used with a correct data handling. Different solutions are available like rational polynomial coefficients (RPCs) or geometric reconstructions. Some images are available with different geometric representations e.g. SPOT level 1A and 1B or QuickBird Basic, Standard or OrthoReady products. The geometric handling and the potential of these products has been evaluated. With satisfying control points and the correct geometric handling sub-pixel accuracy has been reached with all products. The exact definition of the control points in the images has been shown as a key problem. For some solutions like the terrain relief affine corrected transformation and the terrain dependent RPCs an optimal threedimensional distribution of control points is important while some other methods like geometric reconstructions based on sensor information or sensor based RPCs can handle the orientation process with a smaller number of control points which must not be distributed in an optimal manner. © 2005 by the American Society for Photogrammetry and Remote Sensing.