Scene text recognition by learning co-occurrence of strokes based on spatiality embedded dictionary
Gao, Song; Wang, Chunheng; Xiao, Baihua; Shi, Cunzhao; Zhou, Wen; Zhang, Zhong
Source PublicationIET COMPUTER VISION
2015-02-01
Volume9Issue:1Pages:138-148
SubtypeArticle
AbstractText information contained in scene images is very helpful for high-level image understanding. In this study, the authors propose to learn co-occurrence of local strokes for scene text recognition by using a spatiality embedded dictionary (SED). Unlike spatial pyramid partitioning images into grids to incorporate spatial information, the authors SED associates every codeword with a particular response region and introduces more precise spatial information for robust character recognition. After localised soft coding and max pooling of the first layer, a sparse dictionary is learned to model co-occurrence of several local strokes, which further improves classification performance. Experimental results on two scene character recognition datasets ICDAR2003 and CHARS74 K demonstrate that their character recognition method outperforms state-of-the-art methods. Besides, competitive word recognition results are also reported for four benchmark word recognition datasets ICDAR2003, ICDAR2011, ICDAR2013 and street view text when combining their character recognition method with a conditional random field language model.
KeywordCharacter Recognition Dictionaries Text Detection Scene Text Recognition High-level Image Understanding Text Information Scene Images Local Strokes Spatiality Embedded Dictionary Sed Robust Character Recognition Localised Soft Coding Max Pooling Sparse Dictionary Chars74 k Dataset Icdar2003 Dataset
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000349308600012
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/8050
Collection复杂系统管理与控制国家重点实验室_影像分析与机器视觉
AffiliationChinese Acad Sci, Inst Automat, State Key Lab Management & Control Complex Syst, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Gao, Song,Wang, Chunheng,Xiao, Baihua,et al. Scene text recognition by learning co-occurrence of strokes based on spatiality embedded dictionary[J]. IET COMPUTER VISION,2015,9(1):138-148.
APA Gao, Song,Wang, Chunheng,Xiao, Baihua,Shi, Cunzhao,Zhou, Wen,&Zhang, Zhong.(2015).Scene text recognition by learning co-occurrence of strokes based on spatiality embedded dictionary.IET COMPUTER VISION,9(1),138-148.
MLA Gao, Song,et al."Scene text recognition by learning co-occurrence of strokes based on spatiality embedded dictionary".IET COMPUTER VISION 9.1(2015):138-148.
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