Analisa Kinerja Algoritma Detektor Sudut pada Citra Noise Komparasi Operator (Moravec, Susan, Haris, FAST, Eigen dan Forstner)

Umar Al Faruq, Homa P. Harahap

Abstract


Algoritma detektor medeskripsikan komparasi kinerja dari masing-masing algoritma pendeteksi sudut pada citra noise. Citra yang digunakan sebagai masukan adalah citra dengan format grayscale (citra abu-abu) dan diberikan beberapa jenis noise. Algoritma yang dibandingkan adalah algoritma Moravec, Susan, Harris, FAST, Eigen dan Forstner. Jenis noise yang akan di gunakan adalah gaussian, poisson, salt & pepper dan speckle. Hasil pengujian didapatkan sebagai berikut; detektor Moravec mengahasilkan 1.000 titik sudut pada citra noise (gaussian, poisson, salt and pepper, speckle), rata-rata waktu proses pendeteksian sebesar 2,19 detik. Detektor Susan menghasilkan 100 titik sudut pada citra noise (gaussian, poisson, salt and pepper dan speckle) dengan rata-rata waktu proses pendeteksian sebesar 23,99 detik. Hasil pengujian akurasi setiap detektor sudut pada citra yang memilki noise menyatakan bahwa; seluruh detektor sudut tidak mampu menemukan titik-titik sudut dengan tepat, seluruh detektor sudut tidak akurat dalam menunjukkan lokasi titik sudut, hanya detektor Moravec dan Susan yang stabil terhadap perulangan, seluruh detektor sudut tidak stabil atau sangant sensitif terhadap semua tipe noise. Hasil pengujian dalam penelitian ini memperlihatkan bahwa seluruh detektor sudut sangat sensitif terhadap noise, dengan pengertian lain bahwa tingkat akurasi hasil pendeteksian setiap detektor sudut akan sangat dipengaruhi oleh noise dan tipe noise.


Kata Kunci: Detektor Sudut, Titik Sudut, Grayscale, Noise, Moravec, Susan, Harris, FAST, Eigen dan Forstner


References


Pattar, S.Y, Study of Corner Detection Algorithms and Evaluation Methods, International Journal of Innovative Research in Science, Engineering and Technology, vol. 4, pp. 27802787, May 2015.

Wei Jianhua, Kong Xiangnan, Corner Detection Using Multi-directional Gabor Filters , Journal of Fiber Bioengineering and Informatics, vol.8, pp 615624, 2015.

Suran Kong, QR Code Image Correction based on Corner Detection and Convex Hull Algorithm, Journal Of Multimedia, vol. 8, pp. 662667, December 2013.

Dey Nilanjan, Pradipti Nandi, Nilanjan Barman, Debolina Das and Subhabrata Chakraborty, A Comparative Study between Moravec and Harris Corner Detection of Noisy Images Using Adaptive Wavelet Thresholding Technique, International Journal of Engineering Research and Applications, vol.2, pp. 601606, 2012.

Mahesh, Subramanyam.M.V, Corner Detection using Curvelet and Harris Algorithm, International Journal of Computer Science And Technology, vol.3, pp.612616, 2012.

Bhatia Nitin, and Megha Chhabra, Accurate Corner Detection Methods using Two Step Approach, Global Journal of Computer Science & Technology, vol.11, pp. 2529, April 2011.

Zhao Fuqing, and Chunmiao Wei, An automated x-corner detection algorithm (AXDA), Journal of Software, vol.28, pp.791797, 2011.

E. Rosten, R. Porter and T. Drummond, Faster and better: A machine learning approach to corner detection [J], IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.32, pp. 105-119, 2010.

Chen Jie, Li-hui Zou, Juan Zhang and Li-hua Dou, The Comparison And Application Of Corner Detection Algorithms, Journal Of Multimedia, vol. 4, pp.435441, December 2009.

Parks, D. and J.P. Gravel, Center for Intelligent Machines, International Journal of Computer Vision, McGill University, 2004

F. Shen and H. Wang, Real Time Gray Level Corner Detector, 6th International Conference on Control, Automation, Robotics and Vision (ICARCV2000), 2000.

Harris, C and Stephens, M.J. A combined corner and edge detector. In Proceedings of the Fourth Alvey Vision Conference, pp. 147151, UK, 1988.

E. Rosten and R. Porter, T. Drummond, Faster and better: A machine learning approach to corner detection [J], IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.32, pp. 105-119, 2010.

Yang Yang, Zhang Tianwen, Assessing criterion of corner finders, Journal of Harbin Institute of Technology, vol. 30, pp.7-10, 1998.

S. Smith, J. Brady, SUSAN-A new approach to lowlevel image processing, International Journal of Computer Vision, vol. 23, pp.45-48, 1997.

Moravec, H, Obstacle Avoidance and Navigation in the Real World by a Seeing Robot Rover, Tech Report CMU-RI-TR-3, Carnegie-Mellon University, Robotics Institute, September 1980.

H. P. Moravec. Towards Automatic Visual Obstacle Avoidance. Proc. 5th International Joint Conference on Artificial Intelligence, pp. 584, 1977.




DOI: 10.33751/komputasi.v15i1.1268 Abstract views : 567

Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.