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State-of-the-art scene text detection techniques predict quadrilateral boxes that are prone to localization errors while dealing with straight or curved text lines of different orientations and lengths in scenes. This paper presents a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Chuhui Xue , Shijian Lu , Wei Zhang

The Transformer-based encoder-decoder framework is becoming popular in scene text recognition, largely because it naturally integrates recognition clues from both visual and semantic domains. However, recent studies show that the two kinds…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Tianlun Zheng , Zhineng Chen , Shancheng Fang , Hongtao Xie , Yu-Gang Jiang

Scene text recognition (STR) enables computers to recognize and read the text in various real-world scenes. Recent STR models benefit from taking linguistic information in addition to visual cues into consideration. We propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Jie Wu , Ying Peng , Shengming Zhang , Weigang Qi , Jian Zhang

Regional language extraction from a natural scene image is always a challenging proposition due to its dependence on the text information extracted from Image. Text Extraction on the other hand varies on different lighting condition,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Sauradip Nag , Pallab Kumar Ganguly , Sumit Roy , Sourab Jha , Krishna Bose , Abhishek Jha , Kousik Dasgupta

Scene text recognition (STR) has been an active research topic in computer vision for years. To tackle this challenging problem, numerous innovative methods have been successively proposed and incorporating linguistic knowledge into STR…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Peng Wang , Cheng Da , Cong Yao

Candidate text region extraction plays a critical role in convolutional neural network (CNN) based text detection from natural images. In this paper, we propose a CNN based scene text detection algorithm with a new text region extractor.…

Computer Vision and Pattern Recognition · Computer Science 2016-04-08 Xiaohang Ren , Kai Chen , Jun Sun

The Chinese Spelling Correction (CSC) task focuses on detecting and correcting spelling errors in sentences. Current research primarily explores two approaches: traditional multimodal pre-trained models and large language models (LLMs).…

Computation and Language · Computer Science 2025-04-11 Xiaowu Zhang , Hongfei Zhao , Jingyi Hou , Zhijie Liu

Learning effective representations for Chinese characters presents unique challenges, primarily due to the vast number of characters and their continuous growth, which requires models to handle an expanding category space. Additionally, the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Yang Hong , Yinfei Li , Xiaojun Qiao , Rui Li , Junsong Zhang

Domain-Specific Chinese Relation Extraction (DSCRE) aims to extract relations between entities from domain-specific Chinese text. Despite the rapid development of PLMs in recent years, especially LLMs, DSCRE still faces three core…

Computation and Language · Computer Science 2024-04-30 Zhengpeng Shi , Haoran Luo

Most text detection methods hypothesize texts are horizontal or multi-oriented and thus define quadrangles as the basic detection unit. However, text in the wild is usually perspectively distorted or curved, which can not be easily tackled…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Jiaming Liu , Chengquan Zhang , Yipeng Sun , Junyu Han , Errui Ding

Chinese short text matching is a fundamental task in natural language processing. Existing approaches usually take Chinese characters or words as input tokens. They have two limitations: 1) Some Chinese words are polysemous, and semantic…

Computation and Language · Computer Science 2021-02-26 Boer Lyu , Lu Chen , Su Zhu , Kai Yu

Attention-based scene text recognizers have gained huge success, which leverages a more compact intermediate representation to learn 1d- or 2d- attention by a RNN-based encoder-decoder architecture. However, such methods suffer from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ning Lu , Wenwen Yu , Xianbiao Qi , Yihao Chen , Ping Gong , Rong Xiao , Xiang Bai

Irregular scene text recognition has attracted much attention from the research community, mainly due to the complexity of shapes of text in natural scene. However, recent methods either rely on shape-sensitive modules such as bounding box…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Shangbang Long , Yushuo Guan , Kaigui Bian , Cong Yao

Scene text recognition (STR) methods have struggled to attain high accuracy and fast inference speed. Autoregressive (AR)-based models implement the recognition in a character-by-character manner, showing superiority in accuracy but with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Yongkun Du , Zhineng Chen , Caiyan Jia , Xiaoting Yin , Chenxia Li , Yuning Du , Yu-Gang Jiang

Incorporating lattices into character-level Chinese named entity recognition is an effective method to exploit explicit word information. Recent works extend recurrent and convolutional neural networks to model lattice inputs. However, due…

Computation and Language · Computer Science 2020-10-29 Xue Mengge , Yu Bowen , Liu Tingwen , Zhang Yue , Meng Erli , Wang Bin

We develop a Deep-Text Recurrent Network (DTRN) that regards scene text reading as a sequence labelling problem. We leverage recent advances of deep convolutional neural networks to generate an ordered high-level sequence from a whole word…

Computer Vision and Pattern Recognition · Computer Science 2015-12-22 Pan He , Weilin Huang , Yu Qiao , Chen Change Loy , Xiaoou Tang

This paper presents a scene text detection technique that exploits bootstrapping and text border semantics for accurate localization of texts in scenes. A novel bootstrapping technique is designed which samples multiple 'subsections' of a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Chuhui Xue , Shijian Lu , Fangneng Zhan

Identifying the different varieties of the same language is more challenging than unrelated languages identification. In this paper, we propose an approach to discriminate language varieties or dialects of Mandarin Chinese for the Mainland…

Computation and Language · Computer Science 2017-01-10 Fan Xu , Mingwen Wang , Maoxi Li

The ambiguous annotation criteria lead to divergence of Chinese Word Segmentation (CWS) datasets in various granularities. Multi-criteria Chinese word segmentation aims to capture various annotation criteria among datasets and leverage…

Computation and Language · Computer Science 2020-10-12 Weipeng Huang , Xingyi Cheng , Kunlong Chen , Taifeng Wang , Wei Chu

The goal of text spotting is to perform text detection and recognition in an end-to-end manner. Although the diversity of luminosity and orientation in scene texts has been widely studied, the font diversity and shape variance of the same…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Xixuan Hao , Aozhong Zhang , Xianze Meng , Bin Fu