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- Title
FAS-Res2net: An Improved Res2net-Based Script Identification Method for Natural Scenes.
- Authors
Zhang, Zhiyun; Mamat, Hornisa; Xu, Xuebin; Aysa, Alimjan; Ubul, Kurban
- Abstract
Problems such as complex image backgrounds, low image quality, diverse text forms, and similar or common character layouts in different script categories in natural scenes pose great challenges to scene script identification. This paper proposes a new Res2Net-based improved script identification method, namely FAS-Res2Net. In the feature extraction part, the feature pyramid network (FPN) module is introduced, which is beneficial to aggregate the geometric feature information extracted by the shallow network and the semantic feature information extracted by the deep network. Integrating the Adaptive Spatial Feature Fusion (ASFF) module is beneficial to obtain local feature information for optimal weight fusion. In addition, the global feature information of the image is extracted by introducing the swin transformer coding block, which makes the extracted feature information more abundant. In the classification part, the convolutional classifier is used to replace the traditional Linear classification, and the classification confidence of each category is output, which improves the identification efficiency. The improved algorithm achieved identification rates of 94.7% and 96.0% on public script identification datasets SIW-13 and CVSI-2015, respectively, which verified the superiority of the method.
- Subjects
OPTICAL character recognition; SCRIPTS; FEATURE extraction; BLOCK codes
- Publication
Applied Sciences (2076-3417), 2023, Vol 13, Issue 7, p4434
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app13074434