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This study addresses an image-matching problem in challenging cases, such as large scene variations or textureless scenes. To gain robustness to such situations, most previous studies have attempted to encode the global contexts of a scene…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Khang Truong Giang , Soohwan Song , Sungho Jo

State-of-the-art scene text detection techniques predict quadrilateral boxes that are prone to localization errors while dealing with straight or curved text lines of different orientations and lengths in scenes. This paper presents a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Chuhui Xue , Shijian Lu , Wei Zhang

Detecting text in natural scenes remains challenging, particularly for diverse scripts and arbitrarily shaped instances where visual cues alone are often insufficient. Existing methods do not fully leverage semantic context. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Mohammed-En-Nadhir Zighem , Abdenour Hadid

More and more end-to-end text spotting methods based on Transformer architecture have demonstrated superior performance. These methods utilize a bipartite graph matching algorithm to perform one-to-one optimal matching between predicted…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yu Xie , Qian Qiao , Jun Gao , Tianxiang Wu , Jiaqing Fan , Yue Zhang , Jielei Zhang , Huyang Sun

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…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Suman K. Ghosh , Ernest Valveny , Andrew D. Bagdanov

Script identification and text recognition are some of the major domains in the application of Artificial Intelligence. In this era of digitalization, the use of digital note-taking has become a common practice. Still, conventional methods…

Artificial Intelligence · Computer Science 2023-08-14 Sidhantha Poddar , Rohan Gupta

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…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Andrei Polzounov , Artsiom Ablavatski , Sergio Escalera , Shijian Lu , Jianfei Cai

Scene-text spotting is a task that predicts a text area on natural scene images and recognizes its text characters simultaneously. It has attracted much attention in recent years due to its wide applications. Existing research has mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Masato Fujitake

Recently, Vision-Language Pre-training (VLP) techniques have greatly benefited various vision-language tasks by jointly learning visual and textual representations, which intuitively helps in Optical Character Recognition (OCR) tasks due to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Chuhui Xue , Wenqing Zhang , Yu Hao , Shijian Lu , Philip Torr , Song Bai

Scene text recognition is a hot research topic in computer vision. Recently, many recognition methods based on the encoder-decoder framework have been proposed, and they can handle scene texts of perspective distortion and curve shape.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Zhi Qiao , Yu Zhou , Dongbao Yang , Yucan Zhou , Weiping Wang

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

Script identification plays a vital role in applications that involve handwriting and document analysis within a multi-script and multi-lingual environment. Moreover, it exhibits a profound connection with human cognition. This paper…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Miguel A. Ferrer , Abhijit Das , Moises Diaz , Aythami Morales , Cristina Carmona-Duarte , Umapada Pal

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

Digital libraries store images which can be highly degraded and to index this kind of images we resort to word spot- ting as our information retrieval system. Information retrieval for handwritten document images is more challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-22 Sounak Dey , Anguelos Nicolaou , Josep Llados , Umapada Pal

Capturing a video's meaning and critical concepts by analyzing the subtle details is a fundamental yet challenging task in video captioning. Identifying the dominant emotional tone in a video significantly enhances the perception of its…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Ehsan Faghihi , Mohammedreza Zarenejad , Ali-Asghar Beheshti Shirazi

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

Loop detection plays a key role in visual Simultaneous Localization and Mapping (SLAM) by correcting the accumulated pose drift. In indoor scenarios, the richly distributed semantic landmarks are view-point invariant and hold strong…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Chuhao Liu , Shaojie Shen

The text detection and localization is important for video analysis and understanding. The scene text in video contains semantic information and thus can contribute significantly to video retrieval and understanding. However, most of the…

Computer Vision and Pattern Recognition · Computer Science 2015-02-25 B. H. Shekar , Smitha M. L. , P. Shivakumara

This paper proposes a semantic segmentation method for outdoor scenes captured by a surveillance camera. Our algorithm classifies each perceptually homogenous region as one of the predefined classes learned from a collection of manually…

Computer Vision and Pattern Recognition · Computer Science 2013-05-15 Wassim Bouachir , Atousa Torabi , Guillaume-Alexandre Bilodeau , Pascal Blais

The pursuit of high performance on public benchmarks has been the driving force for research in scene text recognition, and notable progress has been achieved. However, a close investigation reveals a startling fact that the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-11 Zhaoyi Wan , Jielei Zhang , Liang Zhang , Jiebo Luo , Cong Yao