Kameralarin özdevimli kalibrasyonu için yeni bir yaklaşim

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2019

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Research Projects

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Airframe and Powerplant Maintenance
(2012)
The Atılım University Department of Airframe and Powerplant Maintenance has been offering Civil Aviation education in English since 2012. In an effort to provide the best level of education, ATILIM UNIVERSITY demonstrated its merit as a role model in Civil Aviation Education last year by being granted a SHY 147 certificate with the status of “Approved Aircraft Maintenance Training Institution” by the General Directorate of Civil Aviation. The SHY 147 is a certificate for Approved Aircraft Maintenance Training Institutions. It is granted to institutions where training programs have undergone inspection, and the quality of the education offered has been approved by the General Directorate of Civil Aviation. With our Civil Aviation Training Center at Esenboğa Airport (our hangar), and the two Cessna-337 planes with double piston engines both of which are fully operational, as well our Beechcraft C90 Kingait plaine with double Turboprop engines, Atılım University is an institution to offer hands-on technical training in civil aviation, and one that strives to take the education it offers to the extremes in terms of technology. The Atılım university Graduate School Department of Airframe and Powerplant Maintenance is a fully-equipped civil aviation school to complement its theoretical education with hands-on training using planes of various kinds. Even before their graduation, most of our students are hired in Turkey’s most prestigious institutions in such a rapidly-developing sector. We are looking forward to welcoming you at this modern and contemporary institution for your education in civil aviation.
Organizational Unit
Department of Mechatronics Engineering
Our purpose in the program is to educate our students for contributing to universal knowledge by doing research on contemporary mechatronics engineering problems and provide them with design, production and publication skills. To reach this goal our post graduate students are offered courses in various areas of mechatronics engineering, encouraged to do research to develop their expertise and their creative side, as well as develop analysis and design skills.

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Abstract

Kamera, robotik uygulamalardaki en önemli sensörlerden birisidir. Kalibre edilmiş bir kamera, kalibre edilmemişine göre daha fazla bilgi sunabilir. Ayrıca, kalibre edilmiş kameranın kalibrasyon değerleri mekanik ve termal değişikler nedeni ile zamanla bozulabilir. Dolayısıyla mobil robotik platformalar için özdevimli kamera kalibrasyonu ihtiyaç oluşturmaktadır. Özdevimli kamera kalibrasyonu için ölçüleri bilinen bir objeye ihtiyaç duyulmaması nedeni ile hem daha esnektir hem de görüntü üzerindeki az sayıda nokta eşleştirmesi kalibrasyon hessaplamaları için yeterlidir. Bu kapsamda, kameranın pozisyonu ve yönelim açısı bilgilerini katarak daha basit ve daha yüksek doğruluk değerine sahip yeni bir kalibrasyon metodu öneriyoruz. Önerilen metot sentetik veriler üzerinde, simülasyon ortamında ve gerçek bir donanım üzerinde test edilmiştir. Sonuçlar diğer özdevimli kamera kalibrasyonu metoduyla karşılaştırılmıştır. Düzlemsel hareket eden kameralar için sonuçlarımız diğer özdevimli kamera kalibrasyonu uygulamaları karşısında etkili olduğunu göstermektedir.
Camera is one of the most important sensors in robotic applications. Calibrated cameras provide more information than the uncalibrated ones. Intrinsic parameters of a camera can deteriorate due to mechanical and thermal changes in environment. Therefore self-calibration is required for robotic operations. Since self-calibration does not require any known template objects in the process, it is more flexible and extracting a few fixed points between calibration images is enough for self-calibration. We propose a new method for simpler and more accurate self-calibration method by incorporating some of the extrinsic parameters of camera along with some assumptions which are true for present day cameras. Moreover, we have included a basic point detection, tracking and association approach for the task. Proposed method is tested and compared with another self calibration method using synthetic data, a mobile robot with a camera in V-REP simulation environment and physical implementation with articulated robot arm. The results indicate the effectiveness of the new approach with respect to other self-calibration approaches for planer motion of the camera.

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Mekatronik Mühendisliği, Sayısal görüntü işleme, Mechatronics Engineering, Digital image processing, Çoklu hedef izleme, Multiple target tracking

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0

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65