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ZoneMapAlt: An alternative to the ZoneMap metric for zone segmentation and classification

Romain Karpinski 1 Abdel Belaid 2, 1 
1 READ - Recognition of writing and analysis of documents
LORIA - NLPKD - Department of Natural Language Processing & Knowledge Discovery
Abstract : This paper proposes a new evaluation metric based on the existing ZoneMap metric. The ZoneMap method, designed to perform a zone segmentation evaluation and classification, is considered in the context of OCR evaluation. Its limits are spotted, described and a new algorithm, ZoneMapAlt (ZoneMap Alternative) is proposed to solve the identified limits while keeping the properties of the original one. To validate the new metric, experiments have been made on a dataset of scientific articles. Results demonstrate that the ZoneMapAlt algorithm provides greater details on seg-mentation errors and is able to detect critical segmentation errors.
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Submitted on : Tuesday, January 15, 2019 - 10:55:32 AM
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Romain Karpinski, Abdel Belaid. ZoneMapAlt: An alternative to the ZoneMap metric for zone segmentation and classification. Document Analysis Systems, Apr 2018, Vienne, Austria. ⟨10.1109/DAS.2018.84⟩. ⟨hal-01981628⟩



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