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Previous deep learning based state-of-the-art scene text detection methods can be roughly classified into two categories. The first category treats scene text as a type of general objects and follows general object detection paradigm to…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Pengyuan Lyu , Cong Yao , Wenhao Wu , Shuicheng Yan , Xiang Bai

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 a detector for curved text in natural images. We model scene text instances as tubes around their medial axes and introduce a parametrization-invariant loss function. We train a two-stage curved text detector, and evaluate it on…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Joël Seytre , Jon Wu , Alessandro Achille

Detection and recognition of scene texts of arbitrary shapes remain a grand challenge due to the super-rich text shape variation in text line orientations, lengths, curvatures, etc. This paper presents a mask-guided multi-task network that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Chuhui Xue , Shijian Lu , Steven Hoi

Text detection in natural scene images is an important prerequisite for many content-based image analysis tasks. In this paper, we propose an accurate and robust method for detecting texts in natural scene images. A fast and effective…

Computer Vision and Pattern Recognition · Computer Science 2014-06-23 Xu-Cheng Yin , Xuwang Yin , Kaizhu Huang , Hong-Wei Hao

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

Due to the flexible representation of arbitrary-shaped scene text and simple pipeline, bottom-up segmentation-based methods begin to be mainstream in real-time scene text detection. Despite great progress, these methods show deficiencies in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Xugong Qin , Pengyuan Lyu , Chengquan Zhang , Yu Zhou , Kun Yao , Peng Zhang , Hailun Lin , Weiping Wang

Reading text from images remains challenging due to multi-orientation, perspective distortion and especially the curved nature of irregular text. Most of existing approaches attempt to solve the problem in two or multiple stages, which is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Yipeng Sun , Chengquan Zhang , Zuming Huang , Jiaming Liu , Junyu Han , Errui Ding

A crucial component for the scene text based reasoning required for TextVQA and TextCaps datasets involve detecting and recognizing text present in the images using an optical character recognition (OCR) system. The current systems are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Amanpreet Singh , Guan Pang , Mandy Toh , Jing Huang , Wojciech Galuba , Tal Hassner

Recently, tampered text detection has attracted increasing attention due to its essential role in information security. Although existing methods can detect the tampered text region, the interpretation of such detection remains unclear,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Chenfan Qu , Jian Liu , Haoxing Chen , Baihan Yu , Jingjing Liu , Weiqiang Wang , Lianwen Jin

Recent advances in Multimodal Large Language Models (MLLMs) and diffusion-based generative models have substantially improved prompt-driven image editing. However, scene text editing remains challenging, as it requires models to precisely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yiheng Lin , Siyu Jiao , Xiaohan Lan , Wei Zhou , Qi She , Fei Yu , Heyun Chen , Zhengwei Wang , Jinghuan Chen , Moran Li , Yingchen Yu , Zijian Feng , Yao Zhao , Yunchao Wei , Yujie Zhong

Over the past few years, the field of scene text detection has progressed rapidly that modern text detectors are able to hunt text in various challenging scenarios. However, they might still fall short when handling text instances of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Minghang He , Minghui Liao , Zhibo Yang , Humen Zhong , Jun Tang , Wenqing Cheng , Cong Yao , Yongpan Wang , Xiang Bai

Scene text recognition with arbitrary shape is very challenging due to large variations in text shapes, fonts, colors, backgrounds, etc. Most state-of-the-art algorithms rectify the input image into the normalized image, then treat the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Xinjie Feng , Hongxun Yao , Yuankai Qi , Jun Zhang , Shengping Zhang

We introduce a new top-down pipeline for scene text detection. We propose a novel Cascaded Convolutional Text Network (CCTN) that joints two customized convolutional networks for coarse-to-fine text localization. The CCTN fast detects text…

Computer Vision and Pattern Recognition · Computer Science 2016-04-01 Tong He , Weilin Huang , Yu Qiao , Jian Yao

The proliferation of scene text in both structured and unstructured environments presents significant challenges in optical character recognition (OCR), necessitating more efficient and robust text spotting solutions. This paper presents…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Alloy Das , Sanket Biswas , Umapada Pal , Josep Lladós , Saumik Bhattacharya

Circle representation has recently been introduced as a medical imaging optimized representation for more effective instance object detection on ball-shaped medical objects. With its superior performance on instance detection, it is…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Ethan H. Nguyen , Haichun Yang , Zuhayr Asad , Ruining Deng , Agnes B. Fogo , Yuankai Huo

Scene text detection, which is one of the most popular topics in both academia and industry, can achieve remarkable performance with sufficient training data. However, the annotation costs of scene text detection are huge with traditional…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Wenqing Zhang , Yang Qiu , Minghui Liao , Rui Zhang , Xiaolin Wei , Xiang Bai

Recognizing text in natural images is a challenging task with many unsolved problems. Different from those in documents, words in natural images often possess irregular shapes, which are caused by perspective distortion, curved character…

Computer Vision and Pattern Recognition · Computer Science 2016-04-20 Baoguang Shi , Xinggang Wang , Pengyuan Lyu , Cong Yao , Xiang Bai

Scene text detection task has attracted considerable attention in computer vision because of its wide application. In recent years, many researchers have introduced methods of semantic segmentation into the task of scene text detection, and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Jinyuan Zhao , Yanna Wang , Baihua Xiao , Cunzhao Shi , Fuxi Jia , Chunheng Wang

In this paper, we propose a novel scene text detection method named TextMountain. The key idea of TextMountain is making full use of border-center information. Different from previous works that treat center-border as a binary…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Yixing Zhu , Jun Du