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We present a detector for curved text in natural images. We model scene text instances as tubes around their medial axes and introduce a parametrization-invariant loss function. We train a two-stage curved text detector, and evaluate it on…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Joël Seytre , Jon Wu , Alessandro Achille

When handling complicated text images (e.g., irregular structures, low resolution, heavy occlusion, and uneven illumination), existing supervised text recognition methods are data-hungry. Although these methods employ large-scale synthetic…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Tongkun Guan , Wei Shen , Xue Yang , Qi Feng , Zekun Jiang , Xiaokang Yang

Recognizing texts from camera images is a known hard problem because of the difficulties in text detection from the varied and complicated background. In this paper we propose a novel and efficient method to detect text region from images…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Basavaraj Kaladagi , Jagadeesh Pujari

Many scene text recognition approaches are based on purely visual information and ignore the semantic relation between scene and text. In this paper, we tackle this problem from natural language processing perspective to fill the gap…

Computer Vision and Pattern Recognition · Computer Science 2018-10-31 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

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

The open-set text recognition task is an emerging challenge that requires an extra capability to cognize novel characters during evaluation. We argue that a major cause of the limited performance for current methods is the confounding…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Chang Liu , Chun Yang , Xu-Cheng Yin

Scene text recognition is a challenging task due to diverse variations of text instances in natural scene images. Conventional methods based on CNN-RNN-CTC or encoder-decoder with attention mechanism may not fully investigate stable and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Ruijie Yan , Liangrui Peng , Shanyu Xiao , Gang Yao

Despite the recent remarkable improvements in scene text recognition (STR), the majority of the studies focused mainly on the English language, which only includes few number of characters. However, STR models show a large performance…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Sunghyun Park , Sunghyo Chung , Jungsoo Lee , Jaegul Choo

Object proposal technique with dense anchoring scheme for scene text detection were applied frequently to achieve high recall. It results in the significant improvement in accuracy but waste of computational searching, regression and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Anna Zhu , Hang Du , Shengwu Xiong

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

In this paper, we introduce a new dataset of room interior pictures with overlaying and scene text, totalling to 4836 annotated images in 25 product categories. We provide details on the collection and annotation process of our dataset, and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Oleg Smirnov , Aditya Tewari

Scene text erasing seeks to erase text contents from scene images and current state-of-the-art text erasing models are trained on large-scale synthetic data. Although data synthetic engines can provide vast amounts of annotated training…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Xiangcheng Du , Zhao Zhou , Yingbin Zheng , Xingjiao Wu , Tianlong Ma , Cheng Jin

Arbitrary shape text detection is a challenging task due to the significantly varied sizes and aspect ratios, arbitrary orientations or shapes, inaccurate annotations, etc. Due to the scalability of pixel-level prediction,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Shi-Xue Zhang , Xiaobin Zhu , Lei Chen , Jie-Bo Hou , Xu-Cheng Yin

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

Generally pre-training and long-time training computation are necessary for obtaining a good-performance text detector based on deep networks. In this paper, we present a new scene text detection network (called FANet) with a Fast…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Yuzhong Zhao , Yuanqiang Cai , Weijia Wu , Weiqiang Wang

Scene text in the wild is commonly presented with high variant characteristics. Using quadrilateral bounding box to localize the text instance is nearly indispensable for detection methods. However, recent researches reveal that introducing…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Yuliang Liu , Sheng Zhang , Lianwen Jin , Lele Xie , Yaqiang Wu , Zhepeng Wang

Typography and layout lead to the hierarchical organisation of text in words, text lines, paragraphs. This inherent structure is a key property of text in any script and language, which has nonetheless been minimally leveraged by existing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Lluis Gomez , Dimosthenis Karatzas

Most state-of-the-art scene text detection algorithms are deep learning based methods that depend on bounding box regression and perform at least two kinds of predictions: text/non-text classification and location regression. Regression…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Dan Deng , Haifeng Liu , Xuelong Li , Deng Cai

Text detection and segmentation is an important prerequisite for many content based image analysis tasks. The paper proposes a novel text extraction and character segmentation algorithm using Maximally Stable Extremal Regions as basic…

Computer Vision and Pattern Recognition · Computer Science 2016-08-12 Nitigya Sambyal , Pawanesh Abrol

To achieve high coverage of target boxes, a normal strategy of conventional one-stage anchor-based detectors is to utilize multiple priors at each spatial position, especially in scene text detection tasks. In this work, we present a simple…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Linjie Deng , Yanxiang Gong , Xinchen Lu , Yi Lin , Zheng Ma , Mei Xie
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