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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lecerf, L. Chidlovskii, B. |
| Copyright Year | 2009 |
| Abstract | We cope with the metadata recognition in layout-oriented documents. We address the problem as a classification task and propose a method for automatic extraction of relevant features, in presence of content and structural noise, caused by scanning, OCR and segmentation problems. The method is based on the automatic analysis of documents and requires no particular preprocessing. %nor the domain knowledge. The method mines the documents and determines frequent patterns, which are both literal patterns and their generalization. We also propose a sampling technique which processes a sample of documents and uses the {\it Chernoff bounds} to estimate the pattern frequency in the entire dataset.As a number of frequent patterns as feature candidates grows, the method applies a scalable feature selection method to determine the most relevant features to a given classification task. A series of evaluations on two collections show that the method performs comparably to the manual work on rule writing made by domain experts. |
| Starting Page | 361 |
| Ending Page | 365 |
| File Size | 670693 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424445004 |
| ISSN | 15205363 |
| DOI | 10.1109/ICDAR.2009.227 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-26 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Feature extraction Optical character recognition software Text analysis Data mining Frequency estimation Europe Sampling methods Performance evaluation Writing Performance analysis noisy data feature extraction feature selection |
| Content Type | Text |
| Resource Type | Article |
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