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Article Dans Une Revue Applied Soft Computing Année : 2020

Local gradient full-scale transform patterns based off-line text-independent writer identification

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Résumé

Handwriting based writer identification is one of the reliable components of behavioral biometrics. A huge effort has been done in recent years to improve the writer identification performance. Our paper presents a new and effective off-line text-independent system for writer identification. Extracting features from handwriting substantially impacts the ability of the classification process to identify the query writers. With the use of suitable classifier, a well-designed and discriminative feature extraction improves the classification performance. For that, we introduce a discriminative yet simple feature method, referred to as Local gradient full-Scale Transform Patterns (LSTP). The proposed LSTP algorithm captures salient local writing structure at small regions of interest of the writing. These writing regions are termed as connected components. In the classification stage, we perform Hamming distance based NN classifier to compare and match LSTP feature vectors. The proposed framework is evaluated on 9 well-known handwritten benchmarks. Experimental results show high identification performance against the current state-of-the-art. (C) 2020 Elsevier B.V. All rights reserved.
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Dates et versions

hal-02877903 , version 1 (22-06-2020)

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Abderrazak Chahi, Youssef El Merabet, Yassine Ruichek, Raja Touahni. Local gradient full-scale transform patterns based off-line text-independent writer identification. Applied Soft Computing, 2020, 92, pp.106277. ⟨10.1016/j.asoc.2020.106277⟩. ⟨hal-02877903⟩
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