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Publications of Leonard Rothacker

Department of Computer Science LS XII - Pattern Recognition Group - Publications

 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 

2017

Conference Papers

Word Hypotheses for Segmentation-free Word Spotting in Historic Document Images

Leonard Rothacker, Sebastian Sudholt, Eugen Rusakov, Matthias Kasperidus and Gernot A. Fink
Proc. Int. Conf. on Document Analysis and Recognition, Kyoto, Japan, 2017, to appear.  [bib] [pdf]


Query-by-Online Word Spotting Revisited: Using CNNs for Cross-Domain Retrieval

Sebastian Sudholt, Leonard Rothacker and Gernot Fink
Proc. Int. Conf. on Document Analysis and Recognition, Kyoto, Japan, 2017, to appear.  [bib] [pdf]


2016

Conference Papers

Robust Output Modeling in Bag-of-Features HMMs for Handwriting Recognition

Leonard Rothacker and Gernot A. Fink
Proc. Int. Conf. on Frontiers in Handwriting Recognition, Shenzhen, China, 2016.  [bib] [pdf]


Word Spotting in Historical Document Collections with Online-Handwritten Queries

Christian Wieprecht, Leonard Rothacker and Gernot A. Fink
Proc. IAPR Int. Workshop on Document Analysis Systems, Santorini, Greece, 2016.  [bib] [pdf]


2015

Conference Papers

Segmentation-free Query-by-String Word Spotting with Bag-of-Features HMMs

Leonard Rothacker and Gernot A. Fink
Proc. Int. Conf. on Document Analysis and Recognition, Nancy, France, 2015.  [bib] [pdf]


Retrieving Cuneiform Structures in a Segmentation-free Word Spotting Framework

Leonard Rothacker, Denis Fisseler, Gerfrid G.W. Müller, Frank Weichert and Gernot A. Fink
Proc. of the Int. Workshop on Historical Document Imaging and Processing, Nancy, France, 2015.  [bib] [pdf]


On the Influence of Superpixel Methods for Image Parsing

Johann Strassburg, Rene Grzeszick, Leonard Rothacker and Gernot A. Fink
Proc. International Conference on Computer Vision Theory and Applications (Visapp), 2015.  [bib] [pdf]


Learning Local Image Descriptors for Word Spotting

Sebastian Sudholt, Leonard Rothacker and Gernot A. Fink
Proc. Int. Conf. on Document Analysis and Recognition, Nancy, France, 2015.  [bib] [pdf]


2014

Journal Articles

A Two-Stage Approach to Segmentation-Free Query-by-Example Word Spotting

Leonard Rothacker, Marcal Rusinol, Josep Llados and Gernot A. Fink
manuscript cultures, 1(7), pages 47-57, 2014.  [bib] [http]


Conference Papers

Grouping Historical Postcards Using Query-by-Example Word Spotting

Gernot A. Fink, Leonard Rothacker and Rene Grzeszick
Proc. Int. Conf. on Frontiers in Handwriting Recognition, Crete, Greece, 2014.  [bib] [pdf]


Kernel Density Estimation for Post Recognition Score Analysis

Sebastian Sudholt, Leonard Rothacker and Gernot A. Fink
Proc. 36th German Conference on Pattern Recognition, Muenster, Germany, 2014.  [bib]


Other Publications

Statistical Models for Handwriting Recognition and Retrieval

Gernot A. Fink and Leonard Rothacker
Tutorial (invited) presented at Int. Conf. on Frontiers in Handwriting Recognition, Crete, Greece, 2014.  [bib] [pdf] [http]


2013

Conference Papers

Novel Sub-character HMM Models for Arabic Text Recognition

Irfan Ahmad, Leonard Rothacker, Gernot A. Fink and Sabri A. Mahmoud
2013 12th International Conference on Document Analysis and Recognition, pages 658-662, Washington DC, 2013.  [bib] [pdf] [http]


Bag-of-Features Representations using Spatial Visual Vocabularies for Object Classification

Rene Grzeszick, Leonard Rothacker and Gernot A. Fink
Proc. IEEE Intl. Conf. on Image Processing, Melbourne, Australia, 2013.  [bib] [pdf]


Bag-of-Features HMMs for Segmentation-Free Word Spotting in Handwritten Documents

Leonard Rothacker, Marcal Rusinol and Gernot A. Fink
Proc. Int. Conf. on Document Analysis and Recognition, Washington DC, USA, 2013.  [bib] [pdf]


Bag-of-Features HMMs for Segmentation-Free Bangla Word Spotting

Leonard Rothacker, Gernot A. Fink, Purnendu Banerjee, Ujjwal Bhattacharya and Bidyut B. Chaudhuri
International Workshop on Multilingual OCR (MOCR), Washington DC, USA, 2013.  [bib] [pdf]


2012

Conference Papers

Bag-of-Features Representations for Offline Handwriting Recognition Applied to Arabic Script

Leonard Rothacker, Szilard Vajda and Gernot A. Fink
Proc. Int. Conf. on Frontiers in Handwriting Recognition, Bari, Italy, 2012.  [bib] [pdf]


A Method for Camera-Based Interactive Whiteboard Reading

Szilard Vajda, Leonard Rothacker and Gernot A. Fink
Camera-Based Document Analysis and Recognition - 4th International Workshop, CBDAR 2011, Beijing, China, September 22, 2011, Revised Selected Papers, 2012.  [bib] [pdf]


2011

Conference Papers

A Camera-Based Interactive Whiteboard Reading System

S. Vajda, L. Rothacker and G. A. Fink
International Workshop on Camera-Based Document Analysis and Recognition, pages 91-96, Beijing, China, 2011.  [bib] [pdf]


 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |