Ralph Ewerth
Ralph Ewerth
Professor, TIB - Leibniz Information Centre, Leibniz Universität Hannover, L3S Research Center
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Text detection in images based on unsupervised classification of high-frequency wavelet coefficients
J Gllavata, R Ewerth, B Freisleben
Proceedings of the 17th International Conference on Pattern Recognition …, 2004
A robust algorithm for text detection in images
J Gllavata, R Ewerth, B Freisleben
3rd International Symposium on Image and Signal Processing and Analysis …, 2003
Estimation of arbitrary camera motion in MPEG videos
R Ewerth, M Schwalb, P Tessmann, B Freisleben
Proceedings of the 17th International Conference on Pattern Recognition …, 2004
Geolocation estimation of photos using a hierarchical model and scene classification
E Muller-Budack, K Pustu-Iren, R Ewerth
Proceedings of the European conference on computer vision (ECCV), 563-579, 2018
Domain-independent extraction of scientific concepts from research articles
A Brack, J D’Souza, A Hoppe, S Auer, R Ewerth
Advances in Information Retrieval: 42nd European Conference on IR Research …, 2020
A text detection, localization and segmentation system for OCR in images
J Gllavata, R Ewerth, B Freisleben
IEEE Sixth International Symposium on Multimedia Software Engineering, 310-317, 2004
Fast motion estimation on graphics hardware for H. 264 video encoding
M Schwalb, R Ewerth, B Freisleben
IEEE Transactions on Multimedia 11 (1), 1-10, 2008
Unsupervised text segmentation using color and wavelet features
J Gllavata, R Ewerth, T Stefi, B Freisleben
Image and Video Retrieval: Third International Conference, CIVR 2004, Dublin …, 2004
Video cut detection without thresholds
R Ewerth, B Freisleben
Proc. of 11th Workshop on Signals, Systems and Image Processing, 227-230, 2004
Content-based video retrieval in historical collections of the German broadcasting archive
M Mühling, M Meister, N Korfhage, J Wehling, A Hörth, R Ewerth, ...
International Journal on Digital Libraries 20, 167-183, 2019
Deep learning for content-based video retrieval in film and television production
M Mühling, N Korfhage, E Müller, C Otto, M Springstein, T Langelage, ...
Multimedia Tools and Applications 76, 22169-22194, 2017
Characterization and classification of semantic image-text relations
C Otto, M Springstein, A Anand, R Ewerth
International Journal of Multimedia Information Retrieval 9, 31-45, 2020
Multimodal news analytics using measures of cross-modal entity and context consistency
E Müller-Budack, J Theiner, S Diering, M Idahl, S Hakimov, R Ewerth
International Journal of Multimedia Information Retrieval 10 (2), 111-125, 2021
The STEM-ECR dataset: grounding scientific entity references in STEM scholarly content to authoritative encyclopedic and lexicographic sources
J D'Souza, A Hoppe, A Brack, MY Jaradeh, S Auer, R Ewerth
arXiv preprint arXiv:2003.01006, 2020
Estimating the information gap between textual and visual representations
CA Henning, R Ewerth
Proceedings of the 2017 ACM on International Conference on Multimedia …, 2017
Current challenges for studying search as learning processes
A Hoppe, P Holtz, Y Kammerer, R Yu, S Dietze, R Ewerth
7th Workshop on Learning & Education with Web Data (LILE2018), in …, 2018
Semi-supervised learning for semantic video retrieval
R Ewerth, B Freisleben
Proceedings of the 6th ACM international conference on Image and video …, 2007
Tracking text in MPEG videos
J Gllavata, R Ewerth, B Freisleben
Proceedings of the 12th annual ACM international conference on Multimedia …, 2004
Multimodal video concept detection via bag of auditory words and multiple kernel learning
M Mühling, R Ewerth, J Zhou, B Freisleben
Advances in Multimedia Modeling: 18th International Conference, MMM 2012 …, 2012
A scalable service-oriented architecture for multimedia analysis, synthesis and consumption
S Heinzl, D Seiler, E Juhnke, T Stadelmann, R Ewerth, M Grauer, ...
International Journal of Web and Grid Services 5 (3), 219-260, 2009
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Artículos 1–20