GRADUATE SCHOOL OF INFORMATICS


Alptekin Temizel

Picture of the person
Assoc. Prof. Dr. Alptekin Temizel
Multimedia Informatics, Game Technologies, Information Systems
Room No: 
A-208
Tel No: 
+90 (312) 210-3754
E-mail: 
atemizel@metu.edu.tr
Personal Web Page: 
Education: 

B.Sc. 1999, Electrical and Electronics Engineering, METU
Ph.D. 2006, Centre for Vision, Speech and Signal Processing, University of Surrey, UK

Research Interests: 

video surveillance, computer vision, machine learning, GPU programming, CUDA

Thesis / Research Information: 

Completed:

  • Ahmet Yigit (PhD, 2016) – “Conjoint Individual and Group Tracking with Online Learning”<
  • Berker Logoglu (PhD, 2016 – principal supervisor) – “Spatial 3D Local Descriptors for Object Recognition in RGB-D Images”
  • Mustafa Yagcioglu (PhD, co-supervised, 2015) – “Object Tracking with Range Gated Camera System”
  • Serdar Buyuksarac (MSc, co-supervised, 2015) – “GPU-Enabled Real-Time Panoramic Background Subtraction”
  • Ibrahim Serdar Acikgoz (MSc-project, 2015) – “GPU Accelerated Framework for Satellite Image Processing”
  • Erkam Akkurt (MSc, 2015) – “UBDROID: A Tool for Monitoring Smartphone Application Usage for User Behavior Analysis”
  • Ugur Guler (MSc, 2015) – “Automated Detection of Viewer Engagement by Head Motion Analysis”
  • Ilker Gurcan (MSc, 2014) – “Hybrid CPU-GPU Implementation of Tracking-Learning-Detection Algorithm”
  • Eldjon Kepucka (MSc, 2014) – “A Mobile Sensing Framework for Audience Emotion Analysis”
  • Ayse Elvan Gunduz (MSc, co-supervised, 2014), “Anomaly Detection Using Sparse Features and Spatio-Temporal Hidden Markov Model for Pedestrian Zone Video Surveillance”
  • Cihan Ongun (MSc, co-supervised, 2014), “Anomaly Detection for Video Surveillance in Crowded Environments
  • Burcin Buket Ogul (MSc, 2013) – “A Learning-Based Method for Person Re-Identification”
  • Fariba Yousefi (MSc, co-supervised, 2013) – “Evalulation of Feature Descriptors for Finger Vein Recognition”
  • Deniz Emeksiz (MSc, 2012) – “Object Tracking System With Seamless Object Handover Between Stationary and Moving Camera Modes”
  • Puren Guler (MSc, co-supervised, 2012) – “Automated Crowd Behavior Analysis for Video Surveillance Applications”
  • Yusuf Sayita (MSc, co-supervised, 2012) – “Classification of Migraineurs Using Functional Near Infrared Spectroscopy Data”
  • Coskun Ayyildiz (MSc-project, 2013) – “Comparative Evaluation of Particle Filter and Mean Shift Tracking for Video Surveillance”
  • Kutlug Bilge Kosehan (MSc-project, 2012) – “Informatics Institute Android Application”
  • Musa Atas (PhD, co-supervised, 2011) – “Hyperspectral Imaging and Machine Learning of Texture Foods for Classification”
  • Safak Bal (MSc-project, 2011) – “CamDroid: A Web Services Based Live Camera Display Engine for Android Platform”
  • Cigdem Beyan (MSc, 2010) – “Object Tracking For Surveillance Applications Using Thermal And Visible Band Video Data Fusion”
  • Ahmet Yigit (MSc, 2010) – “Thermal and Visible Band Image Fusion for Abandoned Object Detection”
  • Mustafa Teke (MSc-project,2010) – “Multispectral Satellite Image Registration Using SURF”
  • Firat Vural (MSc-project, co-supervised, 2009) - “Registration of Multi-Spectral Satellite Images Using OR-SIFT Method”
  • Ali Saglam (MSc, 2009) – “Adaptive Camera Tamper Detection for Video Surveillance”
  • Meral Ozkaya (MSc, 2009) – “Road Extraction from High Resolution Satellite Images”
  • Yalin Bastanlar (PhD, co-supervised, 2009) – “Structure-From-Motion for Systems With Perspective and Omnidirectional Cameras”

 

Honors, Scholarships and Awards

  • Thesis co-supervisor of Serdar Buyuksarac who won the “ISRA VISION AG – Computer Vision Award” (1st place) with his MSc thesis (main supervisor Prof. Gozde Akar), 2016.
  • Thesis co-supervisor of Ayse Elvan Gunduz who won the “ISRA VISION AG – Computer Vision Award” (2nd place) with her MSc thesis (main supervisor Asst.Prof. Tuğba Taşkaya Temizel).
  • Received academic performance award (In recognition of academic productivity during the past three academic years), METU in the following years 2007, 2011, 2012 and 2013.
  • MSc Thesis supervisor of Çiğdem Beyan, 2010-2011 Academic year METU Best Thesis Award Winner.
  • NVIDIA CUDA Research Center Award, January 2012.
  • Best Thesis Advisor Award, given by Prof. Dr. Mustafa N. Parlar Education and Research Foundation for supervising the MSc thesis of Cigdem Beyan, who received the METU Thesis of the year award, 2011.
  • Alper Atalay Best Student Paper Award, first place (paper co-written with Cigdem Beyan), 2011.
  • NVIDIA CUDA Teaching Center Award, 2010 (renewal granted in October 2013).
  • Alper Atalay Best Student Paper Award, second place (paper co-written with M.Atas,Y.Yardimci),2010.
  • NVIDIA Professor Partnership Award, 2009.
  • ORS (Overseas Research Student) award in 2000. This award is offered by UK Higher Education Council to international postgraduate students with outstanding academic ability and research potential.
  • Government (Turkish) scholarship for undergraduate studies between 1994-1999.
  • Ranked 84th among 1,164,708 participants in country-wide (Turkey) centralised test for university entrance in 1994.
  • Bronze medal in 1st National (Turkish) Science Olympics in software competition organised by the Scientific and Research Council of Turkey (Tubitak), 1993.

 

Work / Research Experience

Work Experience

2013-Current: METU, Associate Professor.

2007-2013: METU, Lecturer/Assistant Professor.

2013-Current: Siemens EC, Consultant.
2008-2012: TitanBT, Consultant.
2011-2012 Yuksel Defense Systems, Consultant.
2010: Milsoft, Consultant.
2007-2009: Havelsan, Consultant.
2006-2007: Visioprime Ltd.-UK, Consultant.
2001-2006: Visioprime Ltd.-UK, Senior Software Engineer, Co-founder of the Company.
1999-2001: University of Hertfordshire-UK, Research Assistant
1998-1999: Baskent University-Turkey, Research Assistant (Part-time)
1997-1998: Tubitak-Bilten-Turkey, Project Assistant (Part-time)

 

Visiting Positions:

  • 2016- Current: Visiting Academic, University of Birmingham.
  • 2015 (July-August):  Visiting Researcher, Microsoft-Lisbon
  • 2014 (June-August): Visiting Researcher, Microsoft-Lisbon


 

Projects

  • Anomaly Detection for Crowded Environment Video Surveillance Applications, TUBITAK -1001 Project no: 112E141, October 2012-June 2014.
  • Intelligent Video Analytics Using Parallel Processing, San-Tez project (granted by Department of Industry and Trade), Sept 2010- Sept 2012.
  • Abandoned Object Detection System Using Thermal and Visible Band Video Cameras, BAP project, 2009-2010
  • Intelligent Distributed Video Recording System, Tubitak-TEYDEB project, 2009-
  • Automated Number Plate Recognition System, Havelsan Inc., 2008-2009
  • Netix-Intelligent Digital Video Management System, Visioprime Ltd., 2004-2007.
  • DVMS-Digital Video Management System, Visioprime Ltd., 2001-2005.
  • Camera sabotage detection(CSD) on TI C6x DSP, Honeywell Video Systems-Visioprime, 2005.
  • Video motion detection (VMD) on TI C6x DSP, Honeywell Video Systems-Visioprime, 2005.
  • Digital video and metadata database, Novar-Visioprime, 2004.
  • Video analysis for camera sabotage detection (CSD), Novar-Visioprime, 2004.
  • Real-time Video deinterlacing, Novar-Visioprime, 2004.
  • Video motion detection, Visioprime Ltd., 2002.
  • Object tracking and left-removed object detection, Visioprime Ltd., 2002-2003.
  • Wavelet based real-time image and video decompression, Uni. of Hertfordshire, UK, 1999-2001.
  • Low Bit Rate Video and Speech Coding on TI TMSC80, Baþkent Üniversitesi 1998-1999.

 

Publications: 
2016
A.Yigit, A.Temizel, “Individual and Group Tracking with the Evaluation of Social Interactions”, under revision, IET Computer Vision.  

B.Logoglu, S.Kalkan, A.Temizel, “CoSPAIR: Colored Histograms of Spatial Concentric Surflet-Pairs for 3D Object Recognition”, Robotics and Autonomous Systems, vol. 75, part B, pp. 558-570, doi: 10.1016/j.robot.2015.09.027, Jan. 2016.

A.E.Gunduz, C.Ongun, T.Taskaya Temizel, A. Temizel, “Density Aware Anomaly Detection in Crowded Scenes”, IET Computer Vision, doi: 10.1049/iet-cvi.2015.0345, Feb. 2016.

P. B. Pascoal, P. Proença, F. Gaspar, M. Sales Dias, A. Ferreira, A. Tatsuma, M. Aono, K. B. Logoglu, S. Kalkan, A. Temizel, B. Li, H. Johan, Y. Lu, V. Seib, N. Link, D. Paulus, “Shape Retrieval of Low-Cost RGB-D Captures”, Eurographics Workshop on 3D Object Retrieval, May  2016.

M. Yagcioglu, K. Yelen, A. Temizel, “Integrated object tracking framework for range gated camera systems”, SPIE Defense+ Security (Long-Range Imaging), Apr. 2016.

Ş. Küçüközer Çavdar, E. Akkurt, D. Çavdar, A. Temizel, T. Taşkaya Temizel “UBDroid: Kullanıcı Davranış Analizi için Akıllı Telefon Uygulamaları Kullanım İzleme Aracı”, 10. Ulusal Yazılım Mühendisliği Sempozyumu (UYMS), Oct. 2016.
 
S. Buyuksarac, G. Akar, A. Temizel, “GPU Üzerinde Gerçek Zamanlı Panoramik Arka Plan Çıkarma”, IEEE 24th Signal Processing, Communication and Applications Conference, May 2016.

2015

A.Yigit, A.Temizel, “Particle Filter Based Conjoint Individual-Group Tracker (CIGT)”, Activity Monitoring by Multiple Distributed Sensing Workshop, IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS), Aug. 2015
 
C.Beyan, A.Temizel, “A Multimodal Approach for Individual Tracking of People and Their Belongings”, Imaging Science Journal, doi:http://dx.doi.org/10.1179/1743131X14Y.0000000101, Jan. 2015.
 

A. Temizel, “Tracking Objects Better, Faster, Longer”, GPU Technology Conference (Talk), March 2015.

 

Itir Onal, Alptekin Temizel, Fatos T. Yarman Vural, “Spatial and Temporal Feature Extraction for Brain Decoding using CUDA” , GPU Technology Conference (Poster), March 2015.

 

S.S. Ozen, A. Temizel, “Experiment on Generating Pseudo G711/G722 RTP Payload”, GPU Technology Conference (Poster), March 2015.

 
2014

A.E. Gunduz, T.Taskaya Temizel, A.Temizel, “Pedestrian Zone Anomaly Detection by Non-Parametric Temporal Modeling”, IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS), Aug. 2014.

 

C. Ongun, A.Temizel, T.Taskaya Temizel, “Local Anomaly Detection in Crowded Scenes Using Finite-Time Lyapunov Exponent Based Clustering”, IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS), Aug. 2014.


A.E. Gunduz, T.Taskaya Temizel, A.Temizel, “Density Estimation in Crowd Videos”, IEEE 22nd Signal Processing, Communication and Applications Conference, April 2014.

C. Ongun, A.Temizel, T.Taskaya Temizel, “Clustering of Local Behavior in Crowd Videos”, IEEE 22nd Signal Processing, Communication and Applications Conference, April 2014.

 

S.S. Ozen, A. Temizel, “Experiment on Multi Channel Speech Decoding: G711, G722”, GPU Technology Conference, March 2014.

 

C. Tezcan, A. Temizel, “Cryptanalysis of PRESENT via CUDA Devices”, GPU Technology Conference, March 2014.


2013
P.Guler, D.Emeksiz, M.Teke, A.Temizel, T.T.Temizel (2013), “Real-time Multi-Camera Video Analytics System on GPU”, Journal of Real-Time Image Processing, 10.1007/s11554-013-0337-2, March 2013.
 

P.Guler, A.Temizel, T.Taskaya Temizel, “Real-Time Global Anomaly Detection for Crowd Video Surveillance Using SIFT”, 5th International Conference on Imaging for Crime Detection and Prevention (ICDP-2013), Dec. 2013.

 

B.B.Ogul, A.Temizel, “'Person Re-identification by Combining Features in a Learning Based Framework”, 5th International Conference on Imaging for Crime Detection and Prevention (ICDP-2013), Dec. 2013.

 

P.Guler, A.Temizel, T.Taskaya Temizel (2013), “An Unsupervised Method for Anomaly Detection from Crowd Videos”, IEEE 21st Signal Processing, Communication and Applications Conference, April 2013.

 

A.E. Gunduz, A.Temizel, T.Taskaya Temizel (2013), “Feature Detection and Tracking for Extraction of Crowd Dynamics”, IEEE 21st Signal Processing, Communication and Applications Conference, April 2013.

 
2012
Emeksiz, D., & Temizel A. (2012).  A continuous object tracking system with stationary and moving camera modes. SPIE Security+Defense, Electro-Optical and Infrared Systems: Technology and Applications.
Atas, M., Yardımcı Y., & Temizel A. (2012).  A New Approach to Aflatoxin Detection in Chili Pepper by Machine Vision. Computers and Electronics in Agriculture. 87(C), 129-141.
Teke, M., Erdem A., & Temizel A. (2012).  Uzaktan Algılamada Yüksek Başarım. Ulusal Yüksek Başarımlı Hesaplama Konferansı (BASARIM).
Kepucka, E., Gurcan I., & Temizel A. (2012).  Fast Omnidirectional Image Unwrapping on GPU. Euromicro International Conference on Parallel, Distributed and Network-Based Computing (WIP).
Beyan, Ç., & Temizel A. (2012).  Adaptive Mean-Shift for Automated Multi Object Tracking. IET Computer Vision. 6(1), 1-12.
Firat, O., & Temizel A. (2012).  Parallel Spectral Graph Partitioning on CUDA. GPU Technology Conference.
Teke, M., & Temizel A. (2012).  Remote Sensing on GPU: A Case Study. GPU Technology Conference.

2011
Ataş, M., Yardımcı Y., & Temizel A. (2011).  Aflatoxin Contaminated Chili Pepper Detection by Hyperspectral Imaging and Machine Learning. SPIE Defense, Security, and Sensing (Sensing for Agriculture and Food Quality and Safety III).
Beyan, Ç., & Temizel A. (2011).  Görünür ve Termal Bant Takibi Kullanılarak Terk Edilmiş Nesne Tespiti. IEEE 19th Signal Processing, Communication and Applications Conference.
Beyan, Ç., & Temizel A. (2011).  Mean-shift Tracking for Surveillance Applications Using Thermal Infrared and Visible Band Data Fusion. SPIE Defense, Security, and Sensing (Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems, and Applications VIII).
Beyan, Ç., & Temizel A. (2011).  Ortalama Kayma ve Arka Plan Çıkarımı Kullanılarak Karma Çoklu Nesne Takipçisi. IEEE 19th Signal Processing, Communication and Applications Conference.
 
2010
Baştanlar, Y., Temizel A., Yardımcı Y., & Sturm P. (2010).  Effective Structure-from-Motion for Hybrid Camera System. International Conference on Pattern Recognition.
Teke, M., & Temizel A. (2010).  Multi-Spectral Satellite Image Registration Using Scale-Restricted SURF. International Conference on Pattern Recognition.
Baştanlar, Y., Temizel A., & Yardımcı Y. (2010).  3D Structure Extraction with Omnidirectional and Perspective Cameras. IEEE 18th Signal Processing, Communication and Applications Conference.
Teke, M., & Temizel A. (2010).  Çoklu Bant Uydu Görüntülerinin Ölçek Sınırlandırılmış SURF Kullanılarak Çakıştırılması. IEEE 18th Signal Processing, Communication and Applications Conference.
Yigit, A., & Temizel A. (2010).  Termal ve Görünür Bant İmgeleri Kullanılarak Terk Edilen Nesne Tespiti. IEEE 18th Signal Processing, Communication and Applications Conference.
 
2009
Vural, M. F., Yardımcı Y., & Temizel A. (2009).  Registration of Multispectral Satellite Images With Orientation-Restricted SIFT. IEEE International Geoscience & Remote Sensing Symposium (IGARSS).
Baştanlar, Y., Temizel A., & Yardımcı Y. (2009).  Automatic Point Matching and Robust Fundamental Matrix Estimation for Hybrid Camera Scenarios. IEEE 17th Signal Processing and Communications Applications Conference 2009.
Vural, M. F., Yardımcı Y., & Temizel A. (2009).  Multi Modal Satellite Image Registration Using SIFT. IEEE 17th Signal Processing and Communications Applications Conference, 2009..
Sağlam, A., & Temizel A. (2009).  Real-time Adaptive Camera Tamper Detection for Video Surveillance. IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS).
 
2008
Serçe, H., Baştanlar Y., Temizel A., & Yardımcı Y. (2008).  On Detection of Edges and Interest Points for Omnidirectional Images in Spherical Domain. IEEE 16th Signal Processing and Communications Applications Conference, 2008.
 
2007
Aksay, A., Temizel A., & Çetin A. E. (2007).  Camera Tamper Detection Using Wavelet Analysis For Video Surveillance. 2007 IEEE Conference on Advanced Video and Signal Based Surveillance. 558-562.
Temizel, A. (2007).  Image Resolution Enhancement using Wavelet Domain Hidden Markov Tree and Coefficient Sign Estimation. IEEE International Conference on Image Processing 2007. 5, 381-384.
Aksay, A., Temizel A., & Çetin A. E. (2007).  Camera Sabotage Discovery for Video Surveillance Applications. IEEE 15th Signal Processing and Communications Applications Conference 2007.
Temizel, A. (2007).  Post Processing for Wavelet Domain HMT Image Resolution Enhancement. IEEE 15th Signal Processing and Communications Applications Conference 2007.
 
2006
Temizel, A., & Vlachos T. (2006).  Wavelet Domain Image Resolution Enhancement. IEE Proceedings Vision, Image and Signal Processing. 153(1), 
 
2005