Öz
Günümüzde çok yüksek çözünürlüklü uydu görüntüleri pek çok uygulamada yoğun bir şekilde
kullanılmaktadır. Amaca uygun yaklaşımlarla sayısal uydu görüntüleri kullanımı, araştırılan alan
hakkında çok doğru fikirler verebilir. Bunlara ilave olarak, birçok disiplin konumsal bilgi için ilgili
sayısal verleri kullanmada farklı yöntemler kullanabilir. Yüksek çözünürlüklü uydu görüntülerinden
üretilen haritaların kullanılmasının en önemli sebebi verinin doğruluğudur. Yüksek çözünürlüklü uydu
görüntülerinden haritaları elde etmek ya da yüksek çözünürlüklü uydu görüntülerini harita gibi
kullanmak için yüksek çözünürlüklü uydu görüntüleri düzeltme gerektirir. Doğru düzeltme işlemi için
arazide yer kontrol noktaları işaretlenmelidir. Bu çalışmada; bir test alanında stereo Göktürk-2 uydu
görüntüsünün ( 0.5 m çözünürlüklü ) konumsal doğruluğu araştırılmıştır. Bunun için 31 yer konrol
noktası işaretlenmiştir. Bu noktalar kontrol ve denetleme noktası olarak kullanılmıştır. Farklı sayıda
kontrol ve denetleme noktası kullanılarak blok dengeleme yapılmıştır. Kontrol nokta sayısının
dengeleme sonuçlarına etkisi de araştırılmıştır. 5 kontrol noktası ve 26 denetleme noktası kullanılarak
yapılan dengeleme sonucunda; kontrol noktaları için x yönünde 53 cm, y yönünde 17 cm, z yönünde 63 cm karesel ortalama hatalar elde edilmiştir. Denetleme noktaları için x yönünde 55 cm, y yönünde 26
cm ve z yönünde 65 cm karesel ortalama hatalar bulunmuştur. Ayrıca, stereo modelden okunan
koordinatlarla ve jeodezik yöntemle elde edilen nokta koordinatları karşılaştırılmıştır. Karşılaştırma
sonuçlarına göre bir noktanın ortalama konum hatası 48 cm’dir.
Anahtar Kelimeler
WorldView-2 Yer control noktası Denetleme noktası Rektifikasyon Çözünürlük
Kaynakça
- Cheng, P., Chaapel, C., 2010, “Pan-sharpening and Geometric Correction WorldView-2 Satellite”, GEOInformatic June 2010, pp. 30-33.
- Dare, P., Pendlebury, N., Frase, C., “Digital Orthomosaics as a Source of Control for Geometrically Correction High Resolution Satellite Imagery”, Proceedings of the 23rd Asian Conference on Remote Sensing, Kathmoandu, Nepal, No. 173, 25-29 November 2002.
- Dial, G. and Grodecki J., "Ikonos Stereo Accuracy Without Ground Control”, ASPRS 2003 Annual Conference Procedings, Anchorage, Alaska, May 2003.
- Grodecki.,J., Dial, G., 2003, “Block Adjustment of High-Resolution Satellite Images Described by Rational Polynomials”, Photogrammetric Engineering & Remote Sensing, Vol.69 (1), pp.59-68, January 2003.
- Hanley, H. B. And Fraser C. S., 2001, “Geopositioning Accuracy of Ikonos Imagery; Indications from 2D Transformations”, Photogrammetric Record, Vol. 17 (98), pp. 317-329.
- Hobi, L.M., Ginzler., C., 2012, “Accuracy Assessment of Digital Surface Models Based on WorldView-2 and ADS80 Stereo Remote Sensing Data”, Sensors, Vol. 12 (5), pp. 6347-6368.
- Kadota, T. and Takagi, M., "Acquisition Method of Ground Control Points For High-Resolution Satellite Imagery", Proceedings of the 23rd Asian Conference on Remote Sensing, Kathmoandu, Nepal, No. 173, 25-29 November 2002.
- Kahveci, M., 2009, “Gerçek Zamanlı Ulusal Sabit GNSS (CORS) Ağları ve Düşündürdükleri”, HKM Jeodezi, Jeoinformasyon ve Arazi Yönetimi Dergisi, Vol. 2009/1 Sayı 100, pp.13-20.
- Ke L. C., 2006, “Orthorectification Accuracies of VHRS Imagery Under the Characteristics of Ground Control Points”, International Symposium on Geoinformatics for Spatial Infractructure Development in Earth and Allied Sciences (GIS-IDEAS) 2006, Ho Chi Minh City, Vietnam. 9- 11 November 2006.
- Mutluoglu, O., Yakar, M., Yilmaz, H.M, 2014, “Investigation Of Spatial Accuracy Of High-Resolution (50cm) WORLVIEW-2 Satellite Images”, Scientific Research Found (BAP) of Selcuk University (poject number 10401092).
- Mutluoglu,O., Yakar,M., Yılmaz,H.,M., 2012, The Most Suitable Sizes Of Ground Control Points (Gcps) For World View2” FIG Working Week 2012 Knowing To Manage The Territory, Protetect The Environment, Evaluate The Cultural Heritage Rome, Italy, 6-10 May 2012.
- Mutluoglu, O., Yakar, M,.Yilmaz, H.M., 2015, “Investigation of Effect of The Number of Ground Control Points and Distribution on Adjustment at WorldView-2 Stereo Images” International Journal of Applied Mathematics, Electronics and Computers, IJAMEC, 2015, Vol. 3(1), pp. 37–41 Advanced Technology and Science ISSN: 2147-82282147-6799 www.atscience.org/IJAMEC.
- Padwick, C., Deskevich, M., Pacifici, F., Smallwood S., “WorldView-2 Pan-sharpening”, ASPRS Annual Conference 2010, San Diego, California, 26-30 April 2010. URL1: www. DigitalGlobe.com_Core_Imagery_Product_Guide (Acces April, 2010 ).
- Wang.,T, Gruen., A., “Georeferencing Accuracy Analysis of WorldView-2 and IKONOS Images of Singapore Based on RPFs”, The 33 rd Asian Conference on Remote Sensing, ACRS 2012, Pattaya, Thailand, 26-30 November 2012.
- Yakar., M., Mutluoğlu., Ö., Çay., T., İşcan., F., Yıldız.,F., Yılmaz., H.M., “Inspection of Outside- Registration-Areas Via Ikonos Satellite Images”, Fifth Intenational Symposium Turkish- German Joint Geodetic Days, Berlin , 28-31 March 2006.
- Yıldırım, Ö., Bakıcı, S. Cingöz, A., Erkan, Y., Gülal, E. Dindar, A. A., 2007, “TUSAGA-AKTİF (CORS TR) Projesi ve Ülkemize Katkıları”, TMMOB Harita ve Kadastro Mühendisleri Odası, Ulusal Coğrafi Bilgi Sistemleri Kongresi, KTÜ, Trabzon, 30 Ekim –02 Kasım 2007.
- Yilmaz, H.M., Yakar. , M. Mutluoglu, O. Yildiz, F., “Selection of The Most Suitable Sizes of Ground Control Points in The Satellite Images”, ISPRS Congress Istanbul, 12-13 July 2004.
Öz
Nowadays, Very High Resolution Satellite (VHRS) images have been used for many
applications intensively. Using of the digital satellite images in relevant approaches may give more
accurate ideas about the researched fields. Besides, different methods could be used for geospatial
informations from relevant digital data in many disciplines. The most importance reason of using the
maps, which are derived from VHRS images, is accuracy of data. To obtain maps from VHRS images or
use VHRS images as map, the VHRS images require rectification. For an accurate rectification process,
Ground Control Points (GCPs) must be marked in the field. In this study, spatial accuracy of the stereo
WorldView-2 satellite image (0.5 m resolution) was investigated at a test area. For this, 31 GCP points
were established. These points were used as controls and check point. Block adjustment was made using
a different number of control and check points. The impact of the number of control points upon the
adjustment results was also investigated. As a result of adjustment using a 5-point control and 26 check
points; root mean square error in the 53 cm x direction, 17 cm y direction, 63 cm in z-direction for control
points have been obtained. For check points, 55 cm x direction, 26 cm y direction and z direction 65 cm
root mean square error were found. Also coordinates obtained from the stereo model and the field
determined by the geodetic methods coordinates of points were compared. The average position error of
a point is 48 cm according to comparison results.
Anahtar Kelimeler
WorldView-2 Ground control point Check Point Rectification Resolution
Kaynakça
- Cheng, P., Chaapel, C., 2010, “Pan-sharpening and Geometric Correction WorldView-2 Satellite”, GEOInformatic June 2010, pp. 30-33.
- Dare, P., Pendlebury, N., Frase, C., “Digital Orthomosaics as a Source of Control for Geometrically Correction High Resolution Satellite Imagery”, Proceedings of the 23rd Asian Conference on Remote Sensing, Kathmoandu, Nepal, No. 173, 25-29 November 2002.
- Dial, G. and Grodecki J., "Ikonos Stereo Accuracy Without Ground Control”, ASPRS 2003 Annual Conference Procedings, Anchorage, Alaska, May 2003.
- Grodecki.,J., Dial, G., 2003, “Block Adjustment of High-Resolution Satellite Images Described by Rational Polynomials”, Photogrammetric Engineering & Remote Sensing, Vol.69 (1), pp.59-68, January 2003.
- Hanley, H. B. And Fraser C. S., 2001, “Geopositioning Accuracy of Ikonos Imagery; Indications from 2D Transformations”, Photogrammetric Record, Vol. 17 (98), pp. 317-329.
- Hobi, L.M., Ginzler., C., 2012, “Accuracy Assessment of Digital Surface Models Based on WorldView-2 and ADS80 Stereo Remote Sensing Data”, Sensors, Vol. 12 (5), pp. 6347-6368.
- Kadota, T. and Takagi, M., "Acquisition Method of Ground Control Points For High-Resolution Satellite Imagery", Proceedings of the 23rd Asian Conference on Remote Sensing, Kathmoandu, Nepal, No. 173, 25-29 November 2002.
- Kahveci, M., 2009, “Gerçek Zamanlı Ulusal Sabit GNSS (CORS) Ağları ve Düşündürdükleri”, HKM Jeodezi, Jeoinformasyon ve Arazi Yönetimi Dergisi, Vol. 2009/1 Sayı 100, pp.13-20.
- Ke L. C., 2006, “Orthorectification Accuracies of VHRS Imagery Under the Characteristics of Ground Control Points”, International Symposium on Geoinformatics for Spatial Infractructure Development in Earth and Allied Sciences (GIS-IDEAS) 2006, Ho Chi Minh City, Vietnam. 9- 11 November 2006.
- Mutluoglu, O., Yakar, M., Yilmaz, H.M, 2014, “Investigation Of Spatial Accuracy Of High-Resolution (50cm) WORLVIEW-2 Satellite Images”, Scientific Research Found (BAP) of Selcuk University (poject number 10401092).
- Mutluoglu,O., Yakar,M., Yılmaz,H.,M., 2012, The Most Suitable Sizes Of Ground Control Points (Gcps) For World View2” FIG Working Week 2012 Knowing To Manage The Territory, Protetect The Environment, Evaluate The Cultural Heritage Rome, Italy, 6-10 May 2012.
- Mutluoglu, O., Yakar, M,.Yilmaz, H.M., 2015, “Investigation of Effect of The Number of Ground Control Points and Distribution on Adjustment at WorldView-2 Stereo Images” International Journal of Applied Mathematics, Electronics and Computers, IJAMEC, 2015, Vol. 3(1), pp. 37–41 Advanced Technology and Science ISSN: 2147-82282147-6799 www.atscience.org/IJAMEC.
- Padwick, C., Deskevich, M., Pacifici, F., Smallwood S., “WorldView-2 Pan-sharpening”, ASPRS Annual Conference 2010, San Diego, California, 26-30 April 2010. URL1: www. DigitalGlobe.com_Core_Imagery_Product_Guide (Acces April, 2010 ).
- Wang.,T, Gruen., A., “Georeferencing Accuracy Analysis of WorldView-2 and IKONOS Images of Singapore Based on RPFs”, The 33 rd Asian Conference on Remote Sensing, ACRS 2012, Pattaya, Thailand, 26-30 November 2012.
- Yakar., M., Mutluoğlu., Ö., Çay., T., İşcan., F., Yıldız.,F., Yılmaz., H.M., “Inspection of Outside- Registration-Areas Via Ikonos Satellite Images”, Fifth Intenational Symposium Turkish- German Joint Geodetic Days, Berlin , 28-31 March 2006.
- Yıldırım, Ö., Bakıcı, S. Cingöz, A., Erkan, Y., Gülal, E. Dindar, A. A., 2007, “TUSAGA-AKTİF (CORS TR) Projesi ve Ülkemize Katkıları”, TMMOB Harita ve Kadastro Mühendisleri Odası, Ulusal Coğrafi Bilgi Sistemleri Kongresi, KTÜ, Trabzon, 30 Ekim –02 Kasım 2007.
- Yilmaz, H.M., Yakar. , M. Mutluoglu, O. Yildiz, F., “Selection of The Most Suitable Sizes of Ground Control Points in The Satellite Images”, ISPRS Congress Istanbul, 12-13 July 2004.
Ayrıntılar
| Birincil Dil | İngilizce |
|---|---|
| Konular | Mühendislik |
| Bölüm | Makaleler |
| Yazarlar | |
| Yayımlanma Tarihi | 1 Aralık 2016 |
| Yayımlandığı Sayı | Yıl 2016 Cilt: 4 Sayı: 4 |