gtu_logoGEOMATICS ENGINEERING

Assoc. Prof. Dr. Bahadır ERGÜN
Geomatics Engineering

Bahadır ERGÜN
Phone
+90 (262) 605 18 06
Email
bergun@gtu.edu.tr
Office
Block V, 106
Areas of interest
Photogrammetry, Close Range Photogrammetry, Optical Metrology,Expert Systems,Terrestrial Laser Scanning, Panoramic Imaging

SCI, SSCI, AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

1. Şahin C., Ergün B., Bilücan F. (2024). A new method with C-means segmentation for non-uniform image coordinate system definition in panoramic imaging employing Ladybug2 camera. Scientific Reports, 14, Doi: 10.1038/s41598-024-68777

2. Sahin C., Ergun B., Bilucan F. (2024). Landmark Base Point Approach to Positional and Coastal Accuracy Analysis for Historical Map Before WWI: A Case Stufy 1836 Moltke and 1914 German Blue about in Historical Peninsula of İstanbul. Arabian Journal for Science and Engineering, Doi: 10.1007/s13369-024-09074-7

3. Ergun B. (2024). Innovative K-Means based machine learning method for determination of non-uniform image coordinate system in panoramic imaging: a case study with Ladybug2 camera. Optics Express, 32, Doi: 10.1364/OE.507052

4. Ergun B., Sahin C., Bilucan F. (2023) Level of detail (LoD) geometric analysis of relief mapping employing 3D modeling via UAV images in cultural heritage studies. Heritage Science, 11, Doi: 10.1186/s40494-023-01041

5. Ergun B., Kurtar G. (2023). Calibration of a Time-of-Flight Camera Using Probability and Reflection Analysis. IEEE Sensors Journal, 1, Doi: 10.1109/JSEN.2023.3289130

6. Ergun B., Aydin A., Sahin C. (2021). Two-Dimensional (2-D) Kalman Segmentation Approach in Mobile Laser Scanning data for panoramic image registration. Lasers in Engineering (48), 121-150.

7. Ergun B. (2019). An Automatic Determination for Planar Target Points via C-Means Approach in Terrestrial Laser Scanning Data. International Journal of Lasers in Engineering (42), 31-55

8. Ergun B., Sayim I., Tok N. (2018). Real-time relative mobile target positioning using GPS-assisted stereo videogrammetry. Survey Review, 50(361), 326-335., Doi: 10.1080/00396265.2016.1267303.

9. Ergun B., Sahin C., Ustuntas T. (2014). Segmentation and determining the grid points of curve points in terrestrial laser scanning data for regular curve surfaces via C-Means integrated fuzzy logic approach. Optics and Lasers in Engineering, 1(52), 261-268.

10. Sahin C., Alkis A., Ergun B., Kulur S., Batuk F., Kilic A. (2012). Producing 3D city model with the combined photogrammetric and laser scanner data in the example of Taksim Cumhuriyet square. Optics and Lasers in Engineering, 50(12), 1844-1853., Doi: 10.1016/j.optlaseng.2012.05.019

11. Aydin E.O., Ergun B., Sahin C.,(2010). Documentation of an Ottoman replica tile via photogrammetric modeling. Scientific Research and Essays, 5(15), 1978-1985.

12. Ergun B. (2010). A novel 3D geometric object filtering function for application in indoor area with terrestrial laser scanning data. Optics Laser Technology, 42(5), 799-804., Doi: 10.1016/j.optlastec.2009.12.006.

13. Ergun B., Sahin C., Baz I., Ustuntas T. (2010). A case study on the historical peninsula of Istanbul based on three dimensional modeling by using photogrammetry and terrestrial laser scanning. Environmental Monitoring and Assessment, 165(1-4), 595-601. Doi: 10.1007/s10661-009-0971-0

14. Ergun B. (2010). Photogrammetric observing the variation of intrinsic parameters for zoomlenses. Scientific Research and Essays 5(5), 461-467.

15. Ergun B., Kavzoglu T., Colkesen I., Sahin C. (2010). Data filtering with support vector machines in geometric cameracalibration. Optic Express, 18(3), 1927-1936. Doi:10.1364/OE.18.001927

16. Ergun B. (2006). An expert measurement system for photogrammetric industrial application. 39 (5), 415-419. Doi:10.1016/j.measurement.2005.11.025

17. Ergun B., Baz I.(2006). Design of an expert measurement system for close range photogrammetric applications, Optical Engineering, 45(5), 536041-536045. Doi: 10.1117/1.2202644

Ulusal Hakemli Dergilerde Yayımlanan Makaleler

1. Şahin C., Uygur O., Ergun B. (2013). Panoramik görüntülemede yansımalı sistemlerin matematik modelleri, Harita Dergisi, 149, 43-52.

2. Ergün B., Şahin C., Aydın EÖ. (2010). Fotogrametrik modelleme tekniği ile bir osmanlı çinisinin dökümantasyonu, HKMO Jeodezi, Jeoinformasyon ve Arazi Yönetimi Dergisi, 103, 25-32.

3. Ergün B., Şahin C. (2009). Günümüzde kullanılan optik ve sayısal küresel fotogrametri teknikleri, Harita Dergisi, 142, 40-50.

4. Ergün B. (2005). Yakın resim fotogrametrisinde metrik olmayan dijital kamera kullanılarak insan yüzünün sayısal yüzey ve kabartma modelinin elde edilmesi, Harita Dergisi, 133, 27-42.

5. Uçar E., Ergün B. (2004). Fotogrametride üç boyutlu şehir modelleme teknikleri ve CBS kullanımı, Harita Dergisi, 132, 48-56.

6. Ergün B., Altan O. (2003). Yakın resim fotogrametrisinde endüstriyel uzman sistem uygulaması, ITU Dergisi, 2(4), 19-24.

Uluslararası Özgün Bilimsel Kitaplar ve Kitaplardaki Bölümler

1. Ergun B. (2023). Photogrammetric Approach to Selfcalibration Prosess Employing Intrinsic Parameters Variation for Zoom Lenses, In: El-Gohary N., de Lima M.R., Yanik T., Makul N., (Eds.), Recent Progress in Science and Technology

2. Ergün B., Şahin C. (2021). Matlab Coding for Laser Point Cloud Segmentation, In: Volosencu C., (Eds.), MATLAB Applications in Engineering. Intechopen, pp 41-71

3. Ergün B., Sahin C. (2019). Indoor stereo photogrammetry via omnidirectional multicamera system case study: Ladybug2 In:Yurish S. Y., (Eds.), Physical and Chemical Sensors: Design, Applications, Networks.160;pp 197–224.

4. Ergün B., Sahin C., Kaplan U. (2017). ANFIS Definition of Focal Length for Zoom Lens via Fuzzy Logic Functions, In: Ramakrishnan S., (Eds), Modern Fuzzy Control Systems and Its Applications. Intechopen, pp 297-320. Doi: 10.5772/67823

5. Ergün B. (2010). Terrestrial Laser Scanning Data Integration in Surveying Engineering, In: Wang C., (Eds), Laser Scanning, Theory and Applications. Intechopen. Doi:160;10.5772/14728

Uluslararası Hakemli Konferans/Sempozyum Bildirileri

1. Ergun B., Sahin C., Bilucan F. (2024). Digital Twin Base Model Study by Means of UAV Photogrammetry for Library of Gebze Technical University. In: Ben Ahmed, M., Boudhir, A.A., El Meouche, R., Karaș, İ.R. (eds) Innovations in Smart Cities Applications Volume 7. SCA 2023. Lecture Notes in Networks and Systems, vol 938. Springer, Cham. https://doi.org/10.1007/978-3-031-54376-0_21.

2. Ergun B., Sahin, C.,Bilucan, F., (2023). Modeling of Gebze Technical University Electronics Engineering Building with UAV Photogrammetry Method for Integration Smart City Applications, 17 th International Scientific Research Congress, 19-20 August 2023, Ankara, Türkiye.

3. Bayram Z., Ergun B., (2024). Application and Analysis of Fuzzy Logic Based Classification on Point Cloud Data, 4th International Gradute Studies Congress (IGSCONG'24), 5-8 June 2024.

4. Ergun B., Kulur S., Alkis A., Sahin C. (2009). Three dimensional calibration room design and application for architectural documentation methods. 22nd CIPA Symposium Proceedings, 11-15 October 2009, Kyoto, Japan.

5. Ergun B. (2007). Creating A 3D urban model by terrestrial laser scanners and photogrammetry techniques: a case study on the historical peninsula of Istanbul, Modeling Aspects in Optical Metrology, 18-19 June, Munich, Germany.

6. Ergun B., (2005). Close Range Photogrammetric Measurement Applications in Experiments for Damaged Reinforced Concrete Members. EOS Conference On Industrial Imaging and Machine Vision at the World of Photonics Congress, pp. 122-126, 13-15 June, Munich, Germany.

7. Ilki A, Koc V., Ergun B. (2003). Photogrammetrically measured deformations of FRP wrapped low strength concrete, 6th International Symposium on Fibre-Reinforced Polymer - Reinforcement for Concrete Structures, pp.67,-682, 8-10 July, Singapore.

8. Ergun B. (2003). Design and implementation of a photogrammetric system for close range industrial applications, Optical Metrology for Arts and Multimedia, pp. 307-310, 25-26 June, Munich, Germany.

9. Ergun B., Altan O. (2002). Anfis Calibration for Digital Cameras. International Conference on Fuzzy Systems and Soft Computational Intelligence in Management and Industrial Engineering, pp. 200-208, 29-31 May 2002, Istanbul, Türkiye.

10. Ergun B., Altan O. (2002). Design and implementation of a photogrammetric system for close range industrial applications, Close-range imaging, long-range vision ISPRS Commission V, Volume XXXIV PART 5 Commission V, pp.18-20, 2-6 September, Corfu, Greece.

11. Ergun B., Altan O. (2001). Determination of the inner orientation parameters function with Tsai calibration techniques for zooming camera Nikon 950 Coolpixel, Fourth International Symposium Turkish-German Joint Geodetic Days Vol I(1), pp. 433-437, pp. 77-84, 3-6 April, 2001, Berlin, Germany.

12. Ergun B., Wiedemann A. (2001). Architectural close range study with data of historical Balat Site, Fourth International Symposium Turkish-German Joint Geodetic Days Vol I(1), pp. 439-443, 3-6 April, 2001, Berlin, Germany.

13. Ergun B., Ustuntas T. (2001). A digital camera calibration method using fuzzy logic, Fourth International Symposium Turkish-German Joint Geodetic Days Vol I(1), pp. 377-379, 3-6 April, 2001, Berlin, Germany.

14. Akyilmaz O., Ergun B. (2001I. A robust estimator for 3D similarity transformation, Fourth International Symposium Turkish-German Joint Geodetic Days Vol I(1), pp. 707-711, 3-6 April, 2001, Berlin, Germany.

15. Celik RN, Yalin SD., Ergun B (2001). Product quality inspection with industrial measurement technique an example propeller, Fourth International Symposium Turkish-German Joint Geodetic Days Vol I(1), pp. 135-141, 3-6 April, 2001, Berlin, Germany.

16. Wiedemann A., More J., Thedoropoulou I., Weferling U., Ergun B. (2001). Comparison of bundle block adjustments for close range applications, Fourth International Symposium Turkish-German Joint Geodetic Days Vol I(1), pp. 211-218, 3-6 April, 2001, Berlin, Germany.

17. Ergun B. (2001). Test of the results for the interior orientation with onthe job calibration for a metric camera using fuzzy sets. Photogrammetrie-Fernerkundung-Geoinformation (DGPF), 4-7 September, Konstanz, Germany.

18. Ergun B. (2000). Integration of digital photogrammetric obtained data with Autocad to car surface model, International Archives of Photogrammetry and Remote Sensing Vol XXXIII, Part B5(B5), pp. 211-214, 16-22 July, Amsterdam, 2000.

19. Altan O., Toz G., Kulur S., Seker Z., Duran Z., Ergun B., Celikoyan M. (1999). A Different Application of Terrestrial Photogrammetry Silhouette of Ancient City Parts, International Archieves of Photogrammetry and Remote Sensing, Vol 32, Part 5W11(32), pp. 266-275, 7-9 July, Thessaloniki, Greece.

20. Ergun B., Kulur S. (1999). 3D modeling of car surfaces by means of digital photogrammetric methods, Third Turkish-German joint geodetic days: Towards a digital age, pp. 455-459, 1-4 June, Istanbul, Türkiye

Ulusal Hakemli Konferans/Sempozyum Bildirileri

1. Akçay Ö., Altan O., Ergün B. (2002). Turist bilgi sistemi tasarımı ve panoramik görüntü ile entegrasyonu, Selçuk Üniversitesi Jeodezi ve Fotogrametri Mühendisliği Öğretiminde 30. yıl Sempozyumu, 451-456

2. Ergün B., Altan O. (2005). Yakın resim fotogrametrisinde mikro fotogrametrik bir endüstriyel uzman sistem uygulaması, TMMOB Harita ve Kadastro Mühendisleri Odası 10. Kurultay Kitabı Cilt I, 844-857.

3. Şahin C., Ergun B. (2007). Yakınlaşma yapan objektiflerde farklı odak uzaklıklarında kalibrasyon ve distorsiyon parametrelerinin hesaplanması için üç boyutlu bir test alanı yüzeyi kullanılması. III. Mühendislik Ölçmeleri Sempozyumu, 411-416.

4. Ergün B. (2010). Üç Boyutlu Şehir Modellerinin Veri Yapısı ve Kullanım Özellikleri. III. Uzaktan Algılama ve Coğrafi Bilgi Sistemleri Sempozyumu, 372-376.

5. Onur F., Ergun B., Şahin C. (2016). Bulanık mantık yaklaşımıyla baraj gölü doluluk tahmini çalışması, VI. Uzaktan Algılama ve Coğrafi Bilgi Sistemleri Sempozyumu, 371-380.

6. Şahin C., Ergun B. (2012). Panoramik görüntü ve kullanım alanları. IV. Uzaktan Algılama ve CBS Sempozyumu

7. Şahin C., Ergun B., Alkış A (2012). Yakın resim fotogrametrisinde üç boyutlu silüet örnek uygulaması İstanbul Galata Bölgesi. IV. Uzaktan Algılama ve CBS Sempozyumu

8. Şahin C., Ergün B., Alkış A (2012). Yakınlaşma yapan objektiflerde farklı odak uzaklıklarında kalibrasyon ve distorsiyon parametrelerinin hesaplanması için üç boyutlu bir test alanı yüzeyi kullanılması,Mühendislik Ölçmeleri Sempozyumu