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Recently, semantic segmentation and general object detection frameworks have been widely adopted by scene text detecting tasks. However, both of them alone have obvious shortcomings in practice. In this paper, we propose a novel end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yuan Li , Yuanjie Yu , Zefeng Li , Yangkun Lin , Meifang Xu , Jiwei Li , Xi Zhou

Text watermarks in large language models (LLMs) are increasingly used to detect synthetic text, mitigating misuse cases like fake news and academic dishonesty. While existing watermarking detection techniques primarily focus on classifying…

Computation and Language · Computer Science 2025-06-13 Xuandong Zhao , Chenwen Liao , Yu-Xiang Wang , Lei Li

Currently, the destruction of the sequence structure in handwritten text has become one of the main bottlenecks restricting the recognition task. The typical situations include additional specific markers (the text swapping modification)…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zi-Rui Wang

This paper focuses on the problem of script identification in scene text images. Facing this problem with state of the art CNN classifiers is not straightforward, as they fail to address a key characteristic of scene text instances: their…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Lluis Gomez , Anguelos Nicolaou , Dimosthenis Karatzas

Scene text recognition has received increased attention in the research community. Text in the wild often possesses irregular arrangements, typically including perspective text, curved text, oriented text. Most existing methods are hard to…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Yunze Gao , Yingying Chen , Jinqiao Wang , Zhen Lei , Xiao-Yu Zhang , Hanqing Lu

Scene text detection, an essential step of scene text recognition system, is to locate text instances in natural scene images automatically. Some recent attempts benefiting from Mask R-CNN formulate scene text detection task as an instance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Jingchao Liu , Xuebo Liu , Jie Sheng , Ding Liang , Xin Li , Qingjie Liu

Recently, Transformer-based methods, which predict polygon points or Bezier curve control points for localizing texts, are popular in scene text detection. However, these methods built upon detection transformer framework might achieve…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Maoyuan Ye , Jing Zhang , Shanshan Zhao , Juhua Liu , Bo Du , Dacheng Tao

Despite significant progress in text anomaly detection for web applications such as spam filtering and fake news detection, existing methods are fundamentally limited to document-level analysis, unable to identify which specific parts of a…

Computation and Language · Computer Science 2026-01-21 Yang Cao , Bicheng Yu , Sikun Yang , Ming Liu , Yujiu Yang

Retrieval of text information from natural scene images and video frames is a challenging task due to its inherent problems like complex character shapes, low resolution, background noise, etc. Available OCR systems often fail to retrieve…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Partha Pratim Roy , Ayan Kumar Bhunia , Avirup Bhattacharyya , Umapada Pal

Recent end-to-end trainable methods for scene text spotting, integrating detection and recognition, showed much progress. However, most of the current arbitrary-shape scene text spotters use region proposal networks (RPN) to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Minghui Liao , Guan Pang , Jing Huang , Tal Hassner , Xiang Bai

In this paper, we propose a skeleton matching based approach which aids in text localization in scene images. The input image is preprocessed and segmented into blocks using connected component analysis. We obtain the skeleton of the…

Computer Vision and Pattern Recognition · Computer Science 2015-02-23 B. H. Shekar , Smitha M. L

Scene text recognition has recently been widely treated as a sequence-to-sequence prediction problem, where traditional fully-connected-LSTM (FC-LSTM) has played a critical role. Due to the limitation of FC-LSTM, existing methods have to…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Qingqing Wang , Wenjing Jia , Xiangjian He , Yue Lu , Michael Blumenstein , Ye Huang

Due to the diversity of scene text in aspects such as font, color, shape, and size, accurately and efficiently detecting text is still a formidable challenge. Among the various detection approaches, segmentation-based approaches have…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Xu Han , Junyu Gao , Chuang Yang , Yuan Yuan , Qi Wang

Existing real-time text detectors reconstruct text contours by shrink-masks directly, which simplifies the framework and can make the model run fast. However, the strong dependence on predicted shrink-masks leads to unstable detection…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang , Xuelong Li

We present an end-to-end trainable multi-task network that addresses the problem of lexicon-free text extraction from complex documents. This network simultaneously solves the problems of text localization and text recognition and text…

Computation and Language · Computer Science 2019-06-25 Mohammad Reza Sarshogh , Keegan E. Hines

Irregular scene text, which has complex layout in 2D space, is challenging to most previous scene text recognizers. Recently, some irregular scene text recognizers either rectify the irregular text to regular text image with approximate 1D…

Computer Vision and Pattern Recognition · Computer Science 2019-06-14 Pengyuan Lyu , Zhicheng Yang , Xinhang Leng , Xiaojun Wu , Ruiyu Li , Xiaoyong Shen

In this work, we jointly address the problem of text detection and recognition in natural scene images based on convolutional recurrent neural networks. We propose a unified network that simultaneously localizes and recognizes text with a…

Computer Vision and Pattern Recognition · Computer Science 2017-07-14 Hui Li , Peng Wang , Chunhua Shen

Connected component (CC) is a proper text shape representation that aligns with human reading intuition. However, CC-based text detection methods have recently faced a developmental bottleneck that their time-consuming post-processing is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Yuchen Su , Zhineng Chen , Yongkun Du , Zhilong Ji , Kai Hu , Jinfeng Bai , Xieping Gao

Sequence generation models have recently made significant progress in unifying various vision tasks. Although some auto-regressive models have demonstrated promising results in end-to-end text spotting, they use specific detection formats…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Taeho Kil , Seonghyeon Kim , Sukmin Seo , Yoonsik Kim , Daehee Kim

It is an extremely challenging task to detect arbitrary shape text in natural scenes on high accuracy and efficiency. In this paper, we propose a scene text detection framework, namely GWNet, which mainly includes two modules: Global module…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Fuqiang Zhao , Jionghua Yu , Enjun Xing , Wenming Song , Xue Xu