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Text in natural images contains rich semantics that are often highly relevant to objects or scene. In this paper, we focus on the problem of fully exploiting scene text for visual understanding. The main idea is combining word…

Computer Vision and Pattern Recognition · Computer Science 2017-05-31 Xiang Bai , Mingkun Yang , Pengyuan Lyu , Yongchao Xu , Jiebo Luo

Recently, segmentation-based scene text detection methods have drawn extensive attention in the scene text detection field, because of their superiority in detecting the text instances of arbitrary shapes and extreme aspect ratios,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Minghui Liao , Zhisheng Zou , Zhaoyi Wan , Cong Yao , Xiang Bai

Recent deep learning models have demonstrated strong capabilities for classifying text and non-text components in natural images. They extract a high-level feature computed globally from a whole image component (patch), where the cluttered…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

Scene text recognition is a hot research topic in computer vision. Recently, many recognition methods based on the encoder-decoder framework have been proposed, and they can handle scene texts of perspective distortion and curve shape.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Zhi Qiao , Yu Zhou , Dongbao Yang , Yucan Zhou , Weiping Wang

Text detection, the key technology for understanding scene text, has become an attractive research topic. For detecting various scene texts, researchers propose plenty of detectors with different advantages: detection-based models enjoy…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

Many approaches have recently been proposed to detect irregular scene text and achieved promising results. However, their localization results may not well satisfy the following text recognition part mainly because of two reasons: 1)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Liang Qiao , Sanli Tang , Zhanzhan Cheng , Yunlu Xu , Yi Niu , Shiliang Pu , Fei Wu

Scene text detection is a challenging computer vision task due to the high variation in text shapes and ratios. In this work, we propose a scene text detector named Deformable Kernel Expansion (DKE), which incorporates the merits of both…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Tao He , Sheng Huang , Wenhao Tang , Bo Liu

In this paper, we propose Double Supervised Network with Attention Mechanism (DSAN), a novel end-to-end trainable framework for scene text recognition. It incorporates one text attention module during feature extraction which enforces the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Yuting Gao , Zheng Huang , Yuchen Dai , Cheng Xu , Kai Chen , Jie Tuo

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 recognition has been a hot research topic in computer vision due to its various applications. The state of the art is the attention-based encoder-decoder framework that learns the mapping between input images and output sequences…

Computer Vision and Pattern Recognition · Computer Science 2017-10-24 Zhanzhan Cheng , Fan Bai , Yunlu Xu , Gang Zheng , Shiliang Pu , Shuigeng Zhou

Scene text image super-resolution aims to increase the resolution and readability of the text in low-resolution images. Though significant improvement has been achieved by deep convolutional neural networks (CNNs), it remains difficult to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Jianqi Ma , Zhetong Liang , Lei Zhang

Scene text recognition, as a cross-modal task involving vision and text, is an important research topic in computer vision. Most existing methods use language models to extract semantic information for optimizing visual recognition.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Jinzhi Zheng , Ruyi Ji , Libo Zhang , Yanjun Wu , Chen Zhao

Inspired by speech recognition, recent state-of-the-art algorithms mostly consider scene text recognition as a sequence prediction problem. Though achieving excellent performance, these methods usually neglect an important fact that text in…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Minghui Liao , Jian Zhang , Zhaoyi Wan , Fengming Xie , Jiajun Liang , Pengyuan Lyu , Cong Yao , Xiang Bai

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

Recently, segmentation-based methods are quite popular in scene text detection, as the segmentation results can more accurately describe scene text of various shapes such as curve text. However, the post-processing of binarization is…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Minghui Liao , Zhaoyi Wan , Cong Yao , Kai Chen , Xiang Bai

Scene text recognition (STR) is an important bridge between images and text, attracting abundant research attention. While convolutional neural networks (CNNS) have achieved remarkable progress in this task, most of the existing works need…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Yue Tao , Zhiwei Jia , Runze Ma , Shugong Xu

Reading text from natural images is challenging due to the great variety in text font, color, size, complex background and etc.. The perspective distortion and non-linear spatial arrangement of characters make it further difficult. While…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Shangbang Long , Yushuo Guan , Bingxuan Wang , Kaigui Bian , Cong Yao

Automatic detection of scene texts in the wild is a challenging problem, particularly due to the difficulties in handling (i) occlusions of varying percentages, (ii) widely different scales and orientations, (iii) severe degradations in the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Kinjal Dasgupta , Sudip Das , Ujjwal Bhattacharya

Unifying text detection and text recognition in an end-to-end training fashion has become a new trend for reading text in the wild, as these two tasks are highly relevant and complementary. In this paper, we investigate the problem of scene…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Minghui Liao , Pengyuan Lyu , Minghang He , Cong Yao , Wenhao Wu , Xiang Bai

Scene Text Image Super-Resolution (STISR) aims to enhance the resolution and legibility of text within low-resolution (LR) images, consequently elevating recognition accuracy in Scene Text Recognition (STR). Previous methods predominantly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Yuxuan Zhou , Liangcai Gao , Zhi Tang , Baole Wei