A review of shape descriptors for document analysis

Oriol Ramos Terrades (1) , Salvatore Tabbone (2) , Ernest Valveny (3)

1 DAG - Group d'analyse des documents et reconnaissance de motifs
2 QGAR - Querying Graphics through Analysis and Recognition
3 DAG - Group d'analyse de Document et recnnaissance des motifs

In this paper we review some of shape descriptors proposed in the last years. We propose the definitions of descriptor and primitive and introduce the notion of feature extraction method. With these definitions, we propose a new classification of shape descriptors according to their properties pointing out their strengths and weaknesses.

Oriol Ramos Terrades, Salvatore Tabbone, Ernest Valveny. A review of shape descriptors for document analysis. 9th International Conference on Document Analysis and Recognition - ICDAR'07, IAPR, Sep 2007, Curitiba, Brazil. ⟨inria-00179453⟩