2011

• Tobias Schwarze, Thomas Riegel, Seunghan Han, Andreas Hutter, Stephan Wirth, Christian Petersohn, and Patrick Ndjiki-Nya:
  Role-based Identity Recognition for TV Broadcasts,
  AIEMPro ’10 Special Issue, Springer Multimedia Tools and Applications, 2011.
  
• Jan Nandzik, Berenike Litz, Aenne Löhden, Andreas Heß, Iuliu Konya, Doris Baum, André Bergholz, Dirk Schönfuß, Christian Fey, Johannes Osterhoff, Jörg Waitelonis, Harald Sack, Ralf Köhler, and Patrick Ndjiki-Nya:
  CONTENTUS – Technologies for Next Generation Multimedia Libraries,
  AIEMPro ’10 Special Issue, Springer Multimedia Tools and Applications, 2011.
  
• Ulrich Engelke, Hagen Kaprykowsky, Hans-Jürgen Zepernick, and Patrick Ndjiki-Nya:
  Visual Attention in Quality Assessment: Prior Work, Challenges, and Applications,
  IEEE Signal Processing Magazine Special Issue on Multimedia Quality Assessment, 2011.
  
• Emilie Bosc, Romuald Pépion, Patrick Le Callet, Martin Köppel, Patrick Ndjiki-Nya, Muriel Pressigout, and Luce Morin:
  Towards a New Quality Metric for 3D Synthesized Views Assessment,
  IEEE Journal of Selected Topics in Signal Processing Special Issue on Emerging Technologies for Video Compression, 2011.
  
• Mohan Liu, Iuliu Konya, Jan Nandzik, Stefan Eickeler, Nicolas Flores-Herr and Patrick Ndjiki-Nya:
  A New Quality Assessment and Improvement System for Print Media,
  EURASIP, 2011.
  
• Patrick Ndjiki-Nya, Martin Köppel, Dimitar Doshkov, Haricharan Lakshman, Philipp Merkle, Karsten Müller, and Thomas Wiegand:
  Depth Image-based Rendering with Advanced Texture Synthesis for 3D Video,
  IEEE Transactions on Multimedia, vol. 13, pp. 453-465, June 2011.
  

2006

• Patrick Ndjiki-Nya, Ghislain Simo, and Thomas Wiegand:
  Evaluation of Color Image Segmentation Algorithms Based on Histogram Thresholding,
  VLBV - Lecture Notes in Computer Science, pp. 214-222.
  

to top

2011

• Emilie Bosc, Martin Köppel, Romuald Pépion, Muriel Pressigout, Luce Morin, Patrick Ndjiki-Nya, and Patrick Le Callet:
  Can 3D Synthesized Views be Reliably Assessed through Usual Subjective and Objective Evaluation Protocols?,
  Proceedings of IEEE International Conference on Image Processing (ICIP '11), Brussels, Belgium, September 2011.
  
• Hagen Kaprykowsky, Dimitar Doshkov, Christoph Hoffmann, Patrick Ndjiki-Nya, and Thomas Wiegand:
  Investigation of perception-oriented coding techniques for video compression based on large block structures,
  Proceedings of SPIE: Applications of Digital Image Processing XXXIV, San Diego, California, USA, vol. 8135, pp. 81350K1-K15, August 2011.
  
• Ralf Schäfer:
  Semantic Annotation of Images and Videos,
  DGA Workshop, Multimedia information processing ENSTA, Paris, France, July 1-7, 2011.
  
• Dimitar Doshkov, Hagen Kaprykowsky, and Patrick Ndjiki-Nya:
  Identification and Discussion of Open Issues in Perceptual Video Coding Based on Image Analysis and Completion,
  Proceedings of Workshop: Perception and Visual Signal Analysis (IVMSP ‘11), Ithaca, New York, USA, June 2011.
  
• Eugene Mbanya, Sebastian Gerke, and Patrick Ndjiki-Nya:
  Spatial Codebooks for Image Categorization,
  Proceedings of 2011 ACM International Conference on Multimedia Retrieval (ICMR2011), Trento, Italy, April 17-20, 2011.
  

2010

• Dimitar Doshkov, Patrick Ndjiki-Nya, Haricharan Lakshman, Martin Köppel, and Thomas Wiegand:
  Towards efficient intra prediction based on image inpainting methods,
  Picture Coding Symposium (PCS 2010), Nagoya, Japan, pp. 470-473, December 2010.
  
• Dimitar Doshkov, Martin Köppel, Patrick Ndjiki-Nya, and Thomas Wiegand:
  Complexity and Quality Evaluation of Structure Extrapolation Methods within a Fully Automatic Inpainting Framework,
  Proceedings of Asilomar Conference on Signals, Systems, and Computers (ASILOMAR), Pacific Grove, California, USA, November 2010.
  
• Tobias Schwarze, Thomas Riegel, Seunghan Han, Andreas Hutter, Stephan Wirth, Christian Petersohn, and Patrick Ndjiki-Nya:
  Role-based Identity Recognition for Telecasts,
  International Workshop on Automated Information Extraction in Media Production (AIEMPro '10), Florence, Italy, October 2010.
  
• Jan Nandzik, Berenike Litz, Aenne Löhden, Andreas Heß, Iuliu Konya, Doris Baum, André Bergholz, Dirk Schönfuß, Christian Fey, Johannes Osterhoff, Jörg Waitelonis, Harald Sack, Ralf Köhler, and Patrick Ndjiki-Nya:
  CONTENTUS – Technologies for Next Generation Multimedia Libraries,
  International Workshop on Automated Information Extraction in Media Production (AIEMPro '10), Florence, Italy, October 2010.
  
• Martin Koeppel, Patrick Ndjiki-Nya, Dimitar Doshkov, Haricharan Lakshman, Philipp Merkle, Karsten Müller, and Thomas Wiegand:
  Temporally Consistent Handling of Disocclusions with Texture Synthesis for Depth Image based Rendering,
  Proceedings of IEEE International Conference on Image Processing (ICIP'10), Hong Kong, China, pp.1809-1812, September 2010.
  
• Eugene Mbanya, Christian Hentschel, Sebastian Gerke, Mohan Liu, Andreas Nürnberger, and Patrick Ndjiki-Nya:
  Augmenting Bag-of-Words - Category Specific Features and Concept Reasoning,
  Conference on Multilingual and Multimodal Information Access Evaluation (ImageCLEF - Photo Annotation ’10), Padua, Italy, September 2010.
  
• Patrick Ndjiki-Nya, Martin Koeppel, Dimitar Doshkov, Haricharan Lakshman, Philipp Merkle, Karsten Müller, and Thomas Wiegand:
  Depth Image based Rendering with Advanced Texture Synthesis,
  Proceedings of IEEE International Conference on Multimedia & Expo (ICME'10), Singapore, pp. 424-429, July 2010.
  
• Haricharan Lakshman, Martin Köppel, Patrick Ndjiki-Nya, and Thomas Wiegand:
  Image Recovery using Sparse Reconstruction based Texture Refinement,
  Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'10), Dallas, TX, USA, pp. 786-789, March 2010.
  

2009

• Hagen Kaprykowsky, M. Liu, and Patrick Ndjiki-Nya:
  Restoration of Digitized Video Sequences: an Efficient Drop-Out Detection and Removal Framework,
  Proceedings of IEEE International Conference on Image Processing, Cairo, Egypt, November 2009.
  
• Haricharan Lakshman, Patrick Ndjiki-Nya, Martin Köppel, Dimitar Doshkov, and Thomas Wiegand:
  An Automatic Structure-Aware Image Extrapolation Applied to Error Concealment,
  Proceedings of IEEE International Conference on Image Processing (ICIP 2009), Cairo, Egypt, pp. 913-916, November 2009.
  
• Hagen Kaprykowsky and Patrick Ndjiki-Nya:
  Restoration of Digitized Videos: Efficient Drop-Out Detection and Removal,
  Proceedings of IEEE International Conference on Image Processing (ICIP '09), Cairo, Egypt, November 2009.
  
• Patrick Ndjiki-Nya, David Bull, and Thomas Wiegand:
  Perception-oriented Video Coding: Principle and Challenges,
  Proceedings of IEEE International Conference on Image Processing (ICIP '09), Cairo, Egypt, November 2009.
  
• Patrick Ndjiki-Nya, D. Bull, and Thomas Wiegand:
  Perception-oriented Video Coding Based on Texture Analysis and Synthesis,
  Proceedings of IEEE International Conference on Image Processing (ICIP 2009), Cairo, Egypt, pp. 2273-2276, November 2009.
  
• Patrick Ndjiki-Nya, Dimitar Doshkov, and Martin Köppel, and Thomas Wiegand:
  Optimization of Video Synthesis by Means of Cost-Guided Multimodal Photometric Correction,
  Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis (ISPA), Salzburg, Austria, September 2009.
  
• Heiko Schwarz, Patrick Ndjiki-Nya, and Thomas Wiegand:
  Coding Efficiency Improvement for SVC Broadcast in the Context of the Emerging DVB Standardization,
  Proceedings of European Signal Processing Conference (EUSIPCO '09), Glasgow, UK, pp. 829-833, August 2009.
  
• Martin Köppel, Dimitar Doshkov, and Patrick Ndjiki-Nya:
  Fully Automatic Inpainting Method for Complex Image Content,
  Proceedings of International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS '09), London, UK, May 2009.
  
• Patrick Ndjiki-Nya, Sebastian Gerke, and Thomas Wiegand:
  Improved Video Segmentation through Robust Statistics and MPEG-7 Features,
  Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP '09), Taiwan, April 2009.
  
• P. Altendorf, Patrick Ndjiki-Nya, and S. Weitbruch:
  Aufbereitung von audiovisuellen Inhalten im Rahmen von CONTENTUS,
  ITG Fachtagung für Elektronische Medien – Dortmunder Fernsehseminar, Dortmund, March 2009.
  
• Hagen Kaprykowsky, Martin Köppel, and Patrick Ndjiki-Nya:
  Enhanced Full-Reference Quality Assessment Method for Image and Video,
  Proceedings of International Workshop on Video Processing and Quality Metrics for Consumer Electronics (VPQM '09), Scottsdale, Arizona, USA, January 2009.
  

2008

• Patrick Ndjiki-Nya, Martin Köppel, Dimitar Doshkov, and Thomas Wiegand:
  Automatic Structure-Aware Inpainting for Complex Image Content,
  Proceedings of International Symposium on Visual Computing, Las Vegas, Nevada, USA, December 2008.
  

2007

• Patrick Ndjiki-Nya, Mikel Barrado, and Thomas Wiegand:
  Efficient Full-Reference Assessment of Image and Video Quality,
  IEEE International Conference on Image Processing (ICIP'07), San Antonio, TX, USA, September 2007.
  
• Patrick Ndjiki-Nya, Christoph Stüber, and Thomas Wiegand:
  Texture Synthesis Method for Generic Video Sequences,
  IEEE International Conference on Image Processing (ICIP'07), San Antonio, TX, USA, September 2007.
  
• Patrick Ndjiki-Nya, Christoph Stüber, and Thomas Wiegand:
  An Improved Video Texture Synthesis Method,
  Proceedings of Visual Information Engineering 2007, London, United Kingdom, July 25-27, 2007.
  
• Patrick Ndjiki-Nya, Tobias Hinz, and Thomas Wiegand:
  Generic and Robust Video Coding with Texture Analysis and Synthesis,
  Proceedings of IEEE International Conference on Multimedia and Expo, Beijing, China, July 2007.
  

2006

• Patrick Ndjiki-Nya, Tobias Hinz, Christoph Stüber, and Thomas Wiegand:
  A Content-based Video Coding Approach for Rigid and Non-Rigid Textures,
  IEEE International Conference on Image Processing (ICIP'06), Atlanta, GA, USA, October 2006.
  

2005

• Patrick Ndjiki-Nya, Aljoscha Smolic, Tobias Hinz, and Thomas Wiegand:
  A Generic Automatic Content-Based Approach for Improved H.264/AVC Video Coding,
  Proceedings of IEEE International Conference on Image Processing (ICIP ‘05), Genova, Italy, September 2005.
  
• Patrick Ndjiki-Nya, Ghislain Simo, and Thomas Wiegand:
  Evaluation of Color Image Segmentation Algorithms Based on Histogram Thresholding,
  International Workshop on Very Low Bitrate Video (VLBV'05), Sardinia, Italy, September 2005.
  
• Patrick Ndjiki-Nya, Christoph Stüber, and Thomas Wiegand:
  A New Generic Texture Synthesis Approach for Enhanced H.264/MPEG4-AVC Video Coding,
  International Workshop on Very Low Bitrate Video (VLBV'05), Sardinia, Italy, September 2005.
  

2004

• Patrick Ndjiki-Nya, Michael Kootz, and Thomas Wiegand:
  Automatic Detection of Video Synthesis Related Artifacts,
  IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP'04), Montreal, Canada, vol. 3, pp. 733-736, May 2004.
  
• Patrick Ndjiki-Nya, Oleg Novychny, and Thomas Wiegand:
  Merging MPEG-7 Descriptors for Image Content Analysis,
  IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP'04), Montreal, Canada, pp. 453-456, May 2004.
  
• Patrick Ndjiki-Nya, Oleg Novychny, and Thomas Wiegand:
  Video Content Analysis Using MPEG-7 Descriptors,
  1st European Conference on Visual Media Production (CVMP), London, United Kingdom, pp. 95-101, March 2004.
  
• Patrick Ndjiki-Nya, Christoph Stüber, and Thomas Wiegand:
  Improved Video Coding Through Texture Analysis and Synthesis,
  International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS'04), Lisbon, Portugal, April 2004.
  

2003

• Patrick Ndjiki-Nya, Bela Makai, Gabi Blättermann, Aljoscha Smolic, Heiko Schwarz, and Thomas Wiegand:
  Improved H.264/AVC Coding Using Texture Analysis and Synthesis,
  IEEE International Conference on Image Processing (ICIP'03), Barcelona, Spain, September 2003.
  
• Patrick Ndjiki-Nya, Bela Makai, Aljoscha Smolic, Heiko Schwarz, and Thomas Wiegand:
  Video coding Using Texture Analysis and Synthesis,
  Picture Coding Symposium (PCS'03), St. Malo, France, April 2003.
  

to top

2009

• Ralf Schäfer:
  Theseus Project - Semantic and Image Processing Technologies and its Applications,
  Theseus/ImageCLEF workshop on visual information retrieval evaluation, Corfu, Greek, September 29; 2009, Invited Keynote.
  

to top

2011

• T. Becker, C. Burghart, K. Nazemi, Patrick Ndjiki, T. Riegel, and Ralf Schäfer:
  Basistechnologien für das Internet der Dienste,
  Internet der Dienste, Lutz Heuser/Wolfgang Wahlster (HRSG), acatech diskutiert, Springer Verlag, ISBN 978-3-642-21506-3, 2011.