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In this paper, we propose a novel method called Rotational Region CNN (R2CNN) for detecting arbitrary-oriented texts in natural scene images. The framework is based on Faster R-CNN [1] architecture. First, we use the Region Proposal Network…

Computer Vision and Pattern Recognition · Computer Science 2017-07-03 Yingying Jiang , Xiangyu Zhu , Xiaobing Wang , Shuli Yang , Wei Li , Hua Wang , Pei Fu , Zhenbo Luo

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

Recent advancements in scene text spotting have focused on end-to-end methodologies that heavily rely on precise location annotations, which are often costly and labor-intensive to procure. In this study, we introduce an innovative approach…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Jing Li , Bo 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

At present, multi-oriented text detection methods based on deep neural network have achieved promising performances on various benchmarks. Nevertheless, there are still some difficulties for arbitrary shape text detection, especially for a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 XiaoQian Li , Jie Liu , ShuWu Zhang , GuiXuan Zhang

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

For medical image segmentation, most fully convolutional networks (FCNs) need strong supervision through a large sample of high-quality dense segmentations, which is taxing in terms of costs, time and logistics involved. This burden of…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Yash Bhalgat , Meet Shah , Suyash Awate

Unconstrained text recognition is an important computer vision task, featuring a wide variety of different sub-tasks, each with its own set of challenges. One of the biggest promises of deep neural networks has been the convergence and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Mohamed Yousef , Khaled F. Hussain , Usama S. Mohammed

The requiring of large amounts of annotated training data has become a common constraint on various deep learning systems. In this paper, we propose a weakly supervised scene text detection method (WeText) that trains robust and accurate…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Shangxuan Tian , Shijian Lu , Chongshou Li

Object detection is a basic but challenging task in computer vision, which plays a key role in a variety of industrial applications. However, object detectors based on deep learning usually require greater storage requirements and longer…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Ying Xin , Guanzhong Wang , Mingyuan Mao , Yuan Feng , Qingqing Dang , Yanjun Ma , Errui Ding , Shumin Han

Recently, vision-based Advanced Driver Assist Systems have gained broad interest. In this work, we investigate free-space detection, for which we propose to employ a Fully Convolutional Network (FCN). We show that this FCN can be trained in…

Computer Vision and Pattern Recognition · Computer Science 2017-01-06 Willem P. Sanberg , Gijs Dubbelman , Peter H. N. de With

The prosperity of deep learning contributes to the rapid progress in scene text detection. Among all the methods with convolutional networks, segmentation-based ones have drawn extensive attention due to their superiority in detecting text…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Jingyu Lin , Jie Jiang , Yan Yan , Chunchao Guo , Hongfa Wang , Wei Liu , Hanzi Wang

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

In this paper, we present TExt Spotting TRansformers (TESTR), a generic end-to-end text spotting framework using Transformers for text detection and recognition in the wild. TESTR builds upon a single encoder and dual decoders for the joint…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Xiang Zhang , Yongwen Su , Subarna Tripathi , Zhuowen Tu

Detecting the marking characters of industrial metal parts remains challenging due to low visual contrast, uneven illumination, corroded character structures, and cluttered background of metal part images. Affected by these factors,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Tongkun Guan , Chaochen Gu , Changsheng Lu , Jingzheng Tu , Qi Feng , Kaijie Wu , Xinping Guan

In this paper, we propose a pixel-wise method named TextCohesion for scene text detection, which splits a text instance into five key components: a Text Skeleton and four Directional Pixel Regions. These components are easier to handle than…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Weijia Wu , Jici Xing , Hong Zhou

The reading of arbitrarily-shaped text has received increasing research attention. However, existing text spotters are mostly built on two-stage frameworks or character-based methods, which suffer from either Non-Maximum Suppression (NMS),…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Pengfei Wang , Chengquan Zhang , Fei Qi , Shanshan Liu , Xiaoqiang Zhang , Pengyuan Lyu , Junyu Han , Jingtuo Liu , Errui Ding , Guangming Shi

End-to-end scene text spotting, which unifies text detection and recognition within a single framework, has witnessed remarkable progress driven by deep learning advances. However, most existing approaches still suffer from incomplete mask…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Antonio Colombo , Giovanni Bianchi

Previous approaches for scene text detection have already achieved promising performances across various benchmarks. However, they usually fall short when dealing with challenging scenarios, even when equipped with deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Xinyu Zhou , Cong Yao , He Wen , Yuzhi Wang , Shuchang Zhou , Weiran He , Jiajun Liang

Most previous scene text spotting methods rely on high-quality manual annotations to achieve promising performance. To reduce their expensive costs, we study semi-supervised text spotting (SSTS) to exploit useful information from unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Dongliang Luo , Hanshen Zhu , Ziyang Zhang , Dingkang Liang , Xudong Xie , Yuliang Liu , Xiang Bai