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A novel framework named Markov Clustering Network (MCN) is proposed for fast and robust scene text detection. MCN predicts instance-level bounding boxes by firstly converting an image into a Stochastic Flow Graph (SFG) and then performing…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Zichuan Liu , Guosheng Lin , Sheng Yang , Jiashi Feng , Weisi Lin , Wang Ling Goh

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…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

Scene text detection has received attention for years and achieved an impressive performance across various benchmarks. In this work, we propose an efficient and accurate approach to detect multioriented text in scene images. The proposed…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Liang Zhang , Yufei Liu , Hang Xiao , Lu Yang , Guangming Zhu , Syed Afaq Shah , Mohammed Bennamoun , Peiyi Shen

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…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Youngmin Baek , Bado Lee , Dongyoon Han , Sangdoo Yun , Hwalsuk Lee

An unconstrained end-to-end text localization and recognition method is presented. The method detects initial text hypothesis in a single pass by an efficient region-based method and subsequently refines the text hypothesis using a more…

计算机视觉与模式识别 · 计算机科学 2015-04-15 Lukáš Neumann , Jiří Matas

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…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

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…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Xiang Zhang , Yongwen Su , Subarna Tripathi , Zhuowen Tu

Modern scene text recognition systems often depend on large end-to-end architectures that require extensive training and are prohibitively expensive for real-time scenarios. In such cases, the deployment of heavy models becomes impractical…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Ritabrata Chakraborty , Shivakumara Palaiahnakote , Umapada Pal , Cheng-Lin Liu

In recent years, text recognition has achieved remarkable success in recognizing scanned document text. However, word recognition in natural images is still an open problem, which generally requires time consuming post-processing steps. We…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Andrei Polzounov , Artsiom Ablavatski , Sergio Escalera , Shijian Lu , Jianfei Cai

Scene text detection is an important step of scene text reading system. The main challenges lie on significantly varied sizes and aspect ratios, arbitrary orientations and shapes. Driven by recent progress in deep learning, impressive…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Yongchao Xu , Yukang Wang , Wei Zhou , Yongpan Wang , Zhibo Yang , Xiang Bai

Image-based sequence recognition has been a long-standing research topic in computer vision. In this paper, we investigate the problem of scene text recognition, which is among the most important and challenging tasks in image-based…

计算机视觉与模式识别 · 计算机科学 2015-07-22 Baoguang Shi , Xiang Bai , Cong Yao

Scene text detection and recognition has received increasing research attention. Existing methods can be roughly categorized into two groups: character-based and segmentation-based. These methods either are costly for character annotation…

计算机视觉与模式识别 · 计算机科学 2020-02-26 Yuliang Liu , Hao Chen , Chunhua Shen , Tong He , Lianwen Jin , Liangwei Wang

We present a novel single-shot text detector that directly outputs word-level bounding boxes in a natural image. We propose an attention mechanism which roughly identifies text regions via an automatically learned attentional map. This…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Pan He , Weilin Huang , Tong He , Qile Zhu , Yu Qiao , Xiaolin Li

Incorporating linguistic knowledge can improve scene text recognition, but it is questionable whether the same holds for scene text spotting, which typically involves text detection and recognition. This paper proposes a method that…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Nguyen Nguyen , Yapeng Tian , Chenliang Xu

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)…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Liang Qiao , Sanli Tang , Zhanzhan Cheng , Yunlu Xu , Yi Niu , Shiliang Pu , Fei Wu

Text spotting end-to-end methods have recently gained attention in the literature due to the benefits of jointly optimizing the text detection and recognition components. Existing methods usually have a distinct separation between the…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Yair Kittenplon , Inbal Lavi , Sharon Fogel , Yarin Bar , R. Manmatha , Pietro Perona

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…

计算机视觉与模式识别 · 计算机科学 2016-07-06 Cong Yao , Xiang Bai , Nong Sang , Xinyu Zhou , Shuchang Zhou , Zhimin Cao

Driven by deep learning and the large volume of data, scene text recognition has evolved rapidly in recent years. Formerly, RNN-attention based methods have dominated this field, but suffer from the problem of \textit{attention drift} in…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Zhaoyi Wan , Minghang He , Haoran Chen , Xiang Bai , Cong Yao

In this paper, we first provide a new perspective to divide existing high performance object detection methods into direct and indirect regressions. Direct regression performs boundary regression by predicting the offsets from a given…

计算机视觉与模式识别 · 计算机科学 2017-03-27 Wenhao He , Xu-Yao Zhang , Fei Yin , Cheng-Lin Liu

Text detection and recognition in natural images have long been considered as two separate tasks that are processed sequentially. Training of two tasks in a unified framework is non-trivial due to significant dif- ferences in optimisation…

计算机视觉与模式识别 · 计算机科学 2018-03-26 Tong He , Zhi Tian , Weilin Huang , Chunhua Shen , Yu Qiao , Changming Sun