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Arbitrary shape scene text detection is of great importance in scene understanding tasks. Due to the complexity and diversity of text in natural scenes, existing scene text algorithms have limited accuracy for detecting arbitrary shape…

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

Text detection/localization, as an important task in computer vision, has witnessed substantialadvancements in methodology and performance with convolutional neural networks. However, the vastmajority of popular methods use rectangles or…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xiufeng Jiang , Shugong Xu , Shunqing Zhang , Shan Cao

Bottom-up text detection methods play an important role in arbitrary-shape scene text detection but there are two restrictions preventing them from achieving their great potential, i.e., 1) the accumulation of false text segment detections,…

Multimedia · Computer Science 2024-04-29 Chengpei Xu , Wenjing Jia , Ruomei Wang , Xiaonan Luo , Xiangjian He

Detecting scene text of arbitrary shapes has been a challenging task over the past years. In this paper, we propose a novel segmentation-based text detector, namely SAST, which employs a context attended multi-task learning framework based…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Pengfei Wang , Chengquan Zhang , Fei Qi , Zuming Huang , Mengyi En , Junyu Han , Jingtuo Liu , Errui Ding , Guangming Shi

The irregular contour representation is one of the tough challenges in scene text detection. Although segmentation-based methods have achieved significant progress with the help of flexible pixel prediction, the overlap of geographically…

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

Recent end-to-end scene text spotters have achieved great improvement in recognizing arbitrary-shaped text instances. Common approaches for text spotting use region of interest pooling or segmentation masks to restrict features to single…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Seonghyeon Kim , Seung Shin , Yoonsik Kim , Han-Cheol Cho , Taeho Kil , Jaeheung Surh , Seunghyun Park , Bado Lee , Youngmin Baek

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

Deep learning-based scene text detection methods have progressed substantially over the past years. However, there remain several problems to be solved. Generally, long curve text instances tend to be fragmented because of the limited…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Meng Cao , Yuexian Zou

Arbitrary-oriented text detection in the wild is a very challenging task, due to the aspect ratio, scale, orientation, and illumination variations. In this paper, we propose a novel method, namely Arbitrary-oriented Text (or ArbText for…

Computer Vision and Pattern Recognition · Computer Science 2017-12-01 Daitao Xing , Zichen Li , Xin Chen , Yi Fang

Recently, scene text detection has become an active research topic in computer vision and document analysis, because of its great importance and significant challenge. However, vast majority of the existing methods detect text within local…

Computer Vision and Pattern Recognition · Computer Science 2016-07-06 Cong Yao , Xiang Bai , Nong Sang , Xinyu Zhou , Shuchang Zhou , Zhimin Cao

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

The challenges of shape robust text detection lie in two aspects: 1) most existing quadrangular bounding box based detectors are difficult to locate texts with arbitrary shapes, which are hard to be enclosed perfectly in a rectangle; 2)…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Xiang Li , Wenhai Wang , Wenbo Hou , Ruo-Ze Liu , Tong Lu , Jian Yang

Arbitrary-shaped scene text detection is a challenging task due to the variety of text changes in font, size, color, and orientation. Most existing regression based methods resort to regress the masks or contour points of text regions to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Yuchen Su , Zhiwen Shao , Yong Zhou , Fanrong Meng , Hancheng Zhu , Bing Liu , Rui Yao

We propose an end-to-end trainable network that can simultaneously detect and recognize text of arbitrary shape, making substantial progress on the open problem of reading scene text of irregular shape. We formulate arbitrary shape text…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Siyang Qin , Alessandro Bissacco , Michalis Raptis , Yasuhisa Fujii , Ying Xiao

Scene text detection remains a grand challenge due to the variation in text curvatures, orientations, and aspect ratios. One of the hardest problems in this task is how to represent text instances of arbitrary shapes. Although many methods…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Tao Sheng , Jie Chen , Zhouhui Lian

Contour based scene text detection methods have rapidly developed recently, but still suffer from inaccurate frontend contour initialization, multi-stage error accumulation, or deficient local information aggregation. To tackle these…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Zhiwen Shao , Yuchen Su , Yong Zhou , Fanrong Meng , Hancheng Zhu , Bing Liu , Rui Yao

Scene text detection has witnessed rapid development in recent years. However, there still exists two main challenges: 1) many methods suffer from false positives in their text representations; 2) the large scale variance of scene texts…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Yuxin Wang , Hongtao Xie , Zhengjun Zha , Mengting Xing , Zilong Fu , Yongdong Zhang

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

Recently, end-to-end text spotting that aims to detect and recognize text from cluttered images simultaneously has received particularly growing interest in computer vision. Different from the existing approaches that formulate text…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hao Wang , Pu Lu , Hui Zhang , Mingkun Yang , Xiang Bai , Yongchao Xu , Mengchao He , Yongpan Wang , Wenyu Liu

Scene text detection methods based on neural networks have emerged recently and have shown promising results. Previous methods trained with rigid word-level bounding boxes exhibit limitations in representing the text region in an arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Youngmin Baek , Bado Lee , Dongyoon Han , Sangdoo Yun , Hwalsuk Lee