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Many current state-of-the-art methods for text recognition are based on purely local information and ignore the semantic correlation between text and its surrounding visual context. In this paper, we propose a post-processing approach to…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

This paper presents a scene text detection technique that exploits bootstrapping and text border semantics for accurate localization of texts in scenes. A novel bootstrapping technique is designed which samples multiple 'subsections' of a…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Chuhui Xue , Shijian Lu , Fangneng Zhan

The prevalent scene text detection approach follows four sequential steps comprising character candidate detection, false character candidate removal, text line extraction, and text line verification. However, errors occur and accumulate…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Shangxuan Tian , Yifeng Pan , Chang Huang , Shijian Lu , Kai Yu , Chew Lim Tan

Scene text detection is a challenging problem in computer vision. In this paper, we propose a novel text detection network based on prevalent object detection frameworks. In order to obtain stronger semantic feature, we adopt ResNet as…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Xiangyu Zhu , Yingying Jiang , Shuli Yang , Xiaobing Wang , Wei Li , Pei Fu , Hua Wang , Zhenbo Luo

Natural scene text detection is an important aspect of scene understanding and could be a useful tool in building engaging augmented reality applications. In this work, we address the problem of false positives in text spotting. We propose…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Sagar Gubbi , Bharadwaj Amrutur

In this paper we propose an approach to lexicon-free recognition of text in scene images. Our approach relies on a LSTM-based soft visual attention model learned from convolutional features. A set of feature vectors are derived from an…

计算机视觉与模式识别 · 计算机科学 2017-06-07 Suman K. Ghosh , Ernest Valveny , Andrew D. Bagdanov

Scene text detection, an essential step of scene text recognition system, is to locate text instances in natural scene images automatically. Some recent attempts benefiting from Mask R-CNN formulate scene text detection task as an instance…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Jingchao Liu , Xuebo Liu , Jie Sheng , Ding Liang , Xin Li , Qingjie Liu

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…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Jinzhi Zheng , Libo Zhang , Yanjun Wu , Chen Zhao

Image-text retrieval (ITR) is a challenging task in the field of multimodal information processing due to the semantic gap between different modalities. In recent years, researchers have made great progress in exploring the accurate…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Jie Guo , Meiting Wang , Yan Zhou , Bin Song , Yuhao Chi , Wei Fan , Jianglong Chang

Numerous scene text detection methods have been proposed in recent years. Most of them declare they have achieved state-of-the-art performances. However, the performance comparison is unfair, due to lots of inconsistent settings (e.g.,…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Pengwen Dai , Xiaochun Cao

Text line detection is crucial for any application associated with Automatic Text Recognition or Keyword Spotting. Modern algorithms perform good on well-established datasets since they either comprise clean data or simple/homogeneous page…

计算机视觉与模式识别 · 计算机科学 2017-12-12 Tobias Grüning , Roger Labahn , Markus Diem , Florian Kleber , Stefan Fiel

Many compelling video processing effects can be achieved if per-pixel depth information and 3D camera calibrations are known. However, the success of such methods is highly dependent on the accuracy of this "scene-space" information. We…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Felix Klose , Oliver Wang , Jean-Charles Bazin , Marcus Magnor , Alexander Sorkine-Hornung

A large number of annotated training images is crucial for training successful scene text recognition models. However, collecting sufficient datasets can be a labor-intensive and costly process, particularly for low-resource languages. To…

计算机视觉与模式识别 · 计算机科学 2023-06-28 Yangchen Xie , Xinyuan Chen , Hongjian Zhan , Palaiahankote Shivakum , Bing Yin , Cong Liu , Yue Lu

Text-based person anomaly retrieval has emerged as a challenging task, with most existing approaches relying on complex deep-learning techniques. This raises a research question: How can the model be optimized to achieve greater…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Tien-Huy Nguyen , Huu-Loc Tran , Huu-Phong Phan-Nguyen , Quang-Vinh Dinh

Recently, transformer-based methods have achieved promising progresses in object detection, as they can eliminate the post-processes like NMS and enrich the deep representations. However, these methods cannot well cope with scene text due…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Jingqun Tang , Wenqing Zhang , Hongye Liu , MingKun Yang , Bo Jiang , Guanglong Hu , Xiang Bai

Recently, regression-based methods, which predict parameterized text shapes for text localization, have gained popularity in scene text detection. However, the existing parameterized text shape methods still have limitations in modeling…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Yuchen Su , Zhineng Chen , Zhiwen Shao , Yuning Du , Zhilong Ji , Jinfeng Bai , Yong Zhou , Yu-Gang Jiang

Scene text images have different shapes and are subjected to various distortions, e.g. perspective distortions. To handle these challenges, the state-of-the-art methods rely on a rectification network, which is connected to the text…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Yew Lee Tan , Ernest Yu Kai Chew , Adams Wai-Kin Kong , Jung-Jae Kim , Joo Hwee Lim

Scene text recognition (STR) and handwritten text recognition (HTR) face significant challenges in accurately transcribing textual content from images into machine-readable formats. Conventional OCR models often predict transcriptions…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Xu Yao , Lei Kang

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…

计算机视觉与模式识别 · 计算机科学 2020-04-17 XiaoQian Li , Jie Liu , ShuWu Zhang , GuiXuan Zhang

Recently, vision-language joint representation learning has proven to be highly effective in various scenarios. In this paper, we specifically adapt vision-language joint learning for scene text detection, a task that intrinsically involves…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Sibo Song , Jianqiang Wan , Zhibo Yang , Jun Tang , Wenqing Cheng , Xiang Bai , Cong Yao