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Physical Layout Segmentation of Mail Application Dedicated to Automatic Postal Sorting System

Djamel Gaceb 1 Véronique Eglin 1 Frank Le Bourgeois 1 Hubert Emptoz 1
1 imagine - Extraction de Caractéristiques et Identification
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : Every day, the postal sorting systems diffuse several tons of mails. It is noted that the principal origin of mail rejection is related to the failure of address-block localization task, particularly, of the physical layout segmentation stage. The bottom-up and top-down segmentation methods bring different knowledge that should not be ignored when we need to increase the robustness. Hybrid methods combine the two strategies in order to take advantages of one strategy to the detriment of other. Starting from these remarks, our proposal makes use of a hybrid segmentation strategy more adapted to the postal mails. The high level stages are based on the hierarchical graphs coloring, allowing managing through a pyramidal data organization, the complex rules leading the interpretation of the connected components decomposition of interest zones. Today, no other work in this context has make use of the powerfulness of this tool. The performance evaluation of our approach was tested on a corpus of 10000 envelope images. The processing times and the rejection rate were considerably reduced.
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Submitted on : Friday, July 14, 2017 - 6:57:47 PM
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Djamel Gaceb, Véronique Eglin, Frank Le Bourgeois, Hubert Emptoz. Physical Layout Segmentation of Mail Application Dedicated to Automatic Postal Sorting System. The Eighth IAPR International Workshop on Document Analysis Systems (DAS), Sep 2008, Nara Prefectural New Public Hall, Nara, Japan, Japan. pp.408-414, ⟨10.1109/DAS.2008.56⟩. ⟨hal-01562456⟩



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