Image / video processing and compression, Image / Video content analysis and description (e.g., motion analysis, shape analysis, object tracking), Pattern recognition. Design and analysis of Inspection Systems; Panoramic image generation; Real-time implementation of integrated imaging systems on DSP boards.

• Doulaverakis C., Vagionitis S., Zervakis M., Petrakis E.: Adaptive Methods for Motion Characterization and Segmentation of MPEG Compressed Frame Sequence, Intern. Conference on Image Analysis and Recognition (ICIAR'2004), Porto, Portugal, Sept./Oct. 2004, Proc. Part I, Springer Verlag (LNCS 3211), pp. 310-317.
  

  Publication Type: Conference Publications

  [abstract] [file]

• Malamas E., Petrakis E., Zervakis M., Pettit L., Legat J.: Industrial Vision: Systems, Tools and Techniques, Image and Vision Computing, Vol. 21, No. 2, February 2003, pp. 171-188.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E.: Content-Based Retrieval of Medical Images, International Journal of Computer Research, Volume 11, Number 2, 2002, pp. 171-182.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E.: Fast Retrieval by Spatial Structure in Image DataBases, Journal of Visual Languages and Computing, Vol. 13, No. 5, October 2002, pp. 545-569.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E., Faloutsos C., Lin K.: ImageMap: An Image Indexing Method Based on Spatial Similarity, IEEE Transactions on Knowledge and Data Engineering, Vol. 14, No. 5, September/October 2002, pp. 979-987 (Technical Report TR-01-MUSIC-1999).
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E., Diplaros A., Milios E.: Matching and Retrieval of Distorted and Occluded Shapes using Dynamic Programming, IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 24, No. 11, November 2002, pp. 1501-1516.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E.: Design and Evaluation of Spatial Similarity Approaches for Image Retrieval, Image and Vision Computing, January 2002, Number 1, Volume 20, pp. 59-76.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Diplaros A., Petrakis E., Milios E.: Shape Matching with Occlusion in Image Databases, Infotech Oulou Intern. Workshop on Information Retrieval (IR'2001), pp. 142-150, September 19-21, 2001, Oulu Finland. Best student paper award.
  

  Publication Type: Workshop Proceedings

  [abstract] [file]

• Petrakis E.: Indexing Images with Multiple Regions, Infotech Oulou Intern. Workshop on Information Retrieval (IR'2001), pp. 132-141, September 19-21, 2001, Oulu, Finland. Click here for transparencies (in ppt).
  

  Publication Type: Workshop Proceedings

  [abstract] [file]

• Rao Z., Petrakis E., Milios E.: Efficient Retrieval of Deformed and Occluded Shapes, International Conference on Pattern Recognition (ICPR'2000), pp 67-71 (Vol. 4), Barcelona, Spain, September 3-8, 2000. Acceptance rate 12.9% (186 full papers accepted out of 1438 submitted).
  

  Publication Type: Conference Publications

  [abstract] [file]

• Petrakis E., Georgiadis K.: Evaluation of Spatial Similarity Methods for Image Retrieval, CSCC' 2000, Vol. 4 (Signal Processing, Communications and Computer Science), pp. 13-18, Athens, Greece, July 10-15, 2000.
  

  Publication Type: Conference Publications

  [abstract] [file]

• Milios E., Petrakis E.: Shape Retrieval Based on Dynamic Programming, IEEE Transactions on Image Processing (special issue on image and video processing for digital libraries), January 2000, Number 1, Volume 1, pp. 141-147.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E., Tzeras K.: Similarity Searching in the CORDIS Text Database, Software Practice and Experience, November 2000, Number 13, Volume 30, pp. 1447-1464.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Yuen Wong K., Spetsakis M., Petrakis E.: Motion Segmentation and Indexing for Video Database, Vision Interface'99 (VI' 99), pp. 482-489, Quebec, Canada, May 18-21, 1999.
  

  Publication Type: Conference Publications

  [abstract] [file]

• Tzeras K., Petrakis E.: Similarity Searching in Text Databases with Multiple Field Types, 15th International Conference on Data Engineering, ICDE' 99, Sydney, Australia, March 1999 (poster). Acceptance rate 29.4% (88 full papers and posters accepted out of 299 submitted).
  

  Publication Type: Conference Publications

  [abstract] [file]

• Petrakis E., Milios E.: Efficient Retrieval by Shape Content, IEEE Multimedia Systems 1999 (ICMS' 99), pp. 616-621 (Vol. 2), Florence, Italy, June 6-9, 1999. Acceptance rate 24.3% (147 full papers accepted out of 604 submitted).
  

  Publication Type: Conference Publications

  [abstract] [file]

• Petrakis E.: ImageMap: An Image Indexing Method Based on Spatial Similarity, Technical Report TR-01-MUSIC-1999.
  

  Publication Type: Technical Reports

  [abstract] [file]

• Petrakis E., Faloutsos C.: Similarity Searching in Medical Image Databases, IEEE Transactions on Knowledge and Data Engineering, Vol. 9, No. 3, pp. 435-447, May/June 1997.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E., Orphanoudakis S.: A Generalized Approach for Image Indexing and Retrieval Based οn 2-D Strings, Intelligent Image Database Systems (includes the most important contributions in the field of spatial projections), World Scientific Publishing Co., S.-K. Chang, E. Jungert and G. Tortora (editors), pp. 197-218, 1996.
  

  Publication Type: Book Chapters

  [abstract] [file]

• Petrakis E., Orphanoudakis S.: Methodology for the Representation, Indexing, and Retrieval of Images by Content, Image and Vision Computing (special issue on image database systems), October 1993, Number 11, Volume 8, pp. 504-521.
  

  Publication Type: Journal Publications

  [abstract] [file]

• Petrakis E., Orphanoudakis S.: A Generalized Approach for Image Indexing and Retrieval Based on 2-D Strings, First International Workshop on Visual Reasoning, Bergen, Norway, August 23-25, 1993.
  

  Publication Type: Workshop Proceedings

  [abstract] [file]

• Petrakis E., Orphanoudakis S.: Tools and Methodologies for the Indexing, Storage and Retrieval of Medical Images, First International Workshop on Picture Archiving and Communication Systems (PACS), London, England, December 19-20, 1992.
  

  Publication Type: Workshop Proceedings

  [abstract] [file]

• Kofakis P., Karmirantzos A., Kavaklis Y., Petrakis E., Orphanoudakis S.: Image Indexing by Content: An Object-Oriented Approach, Proceedings of SPIE, Medical Imaging IV, Newport Beach, CA, February 3-9, 1990.
  

  Publication Type: Conference Publications

  [abstract]

• Orphanoudakis S., Kofakis P., Kavaklis Y., Petrakis E.: Medical Image Databases: Image Indexing by Content, J. Cornelis - S. Peeters (editors), Proceedings of North Sea Conference on Biomedical Engineering, Antwerp, November 19-22, 1990.
  

  Publication Type: Conference Publications

  [abstract]

• Orphanoudakis S., Petrakis E., Kofakis P.: A Medical Image DataBase System for Tomographic Images, Proceedings of CAR'89, Springer-Verlag, Berlin, June 25-28, 1989, pp. 618-622.
  

  Publication Type: Conference Publications

  [abstract]