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Related papers: DeepText: A Unified Framework for Text Proposal Ge…

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Deep convolutional neural networks (CNNs) have had a major impact in most areas of image understanding, including object category detection. In object detection, methods such as R-CNN have obtained excellent results by integrating CNNs with…

Computer Vision and Pattern Recognition · Computer Science 2015-06-24 Karel Lenc , Andrea Vedaldi

The learning of the region proposal in object detection using the deep neural networks (DNN) is divided into two tasks: binary classification and bounding box regression task. However, traditional RPN (Region Proposal Network) defines these…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Geonseok Seo , Jaeyoung Yoo , Jaeseok Choi , Nojun Kwak

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 end-to-end trainable methods for scene text spotting, integrating detection and recognition, showed much progress. However, most of the current arbitrary-shape scene text spotters use region proposal networks (RPN) to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Minghui Liao , Guan Pang , Jing Huang , Tal Hassner , Xiang Bai

The question we answer with this work is: can we convert a text document into an image to exploit best image classification models to classify documents? To answer this question we present a novel text classification method which converts a…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Shah Nawaz , Alessandro Calefati , Muhammad Kamran Janjua , Ignazio Gallo

Recent advancements in prompt tuning have successfully adapted large-scale models like Contrastive Language-Image Pre-trained (CLIP) for downstream tasks such as scene text detection. Typically, text prompt complements the text encoder's…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Xingtao Lin , Heqian Qiu , Lanxiao Wang , Ruihang Wang , Linfeng Xu , Hongliang Li

Region proposal algorithms play an important role in most state-of-the-art two-stage object detection networks by hypothesizing object locations in the image. Nonetheless, region proposal algorithms are known to be the bottleneck in most…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Ramin Nabati , Hairong Qi

We introduce the dense captioning task, which requires a computer vision system to both localize and describe salient regions in images in natural language. The dense captioning task generalizes object detection when the descriptions…

Computer Vision and Pattern Recognition · Computer Science 2015-11-25 Justin Johnson , Andrej Karpathy , Li Fei-Fei

Traditional semantic image search methods aim to retrieve images that match the meaning of the text query. However, these methods typically search for objects on the whole image, without considering the localization of objects within the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Silvan Ferreira , Allan Martins , Ivanovitch Silva

The character information in natural scene images contains various personal information, such as telephone numbers, home addresses, etc. It is a high risk of leakage the information if they are published. In this paper, we proposed a scene…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Toshiki Nakamura , Anna Zhu , Keiji Yanai , Seiichi Uchida

Most current detection methods have adopted anchor boxes as regression references. However, the detection performance is sensitive to the setting of the anchor boxes. A proper setting of anchor boxes may vary significantly across different…

Computer Vision and Pattern Recognition · Computer Science 2018-11-19 Lele Xie , Yuliang Liu , Lianwen Jin , Zecheng Xie

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…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Jingchao Liu , Xuebo Liu , Jie Sheng , Ding Liang , Xin Li , Qingjie Liu

One of the main challenges for arbitrary-shaped text detection is to design a good text instance representation that allows networks to learn diverse text geometry variances. Most of existing methods model text instances in image spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Yiqin Zhu , Jianyong Chen , Lingyu Liang , Zhanghui Kuang , Lianwen Jin , Wayne Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 2016-04-26 Shangxuan Tian , Yifeng Pan , Chang Huang , Shijian Lu , Kai Yu , Chew Lim Tan

Scene text recognition has witnessed rapid development with the advance of convolutional neural networks. Nonetheless, most of the previous methods may not work well in recognizing text with low resolution which is often seen in natural…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Wenjia Wang , Enze Xie , Peize Sun , Wenhai Wang , Lixun Tian , Chunhua Shen , Ping Luo

A major challenge in matching images and text is that they have intrinsically different data distributions and feature representations. Most existing approaches are based either on embedding or classification, the first one mapping image…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Tan Wang , Xing Xu , Yang Yang , Alan Hanjalic , Heng Tao Shen , Jingkuan Song

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

We develop a representation suitable for the unconstrained recognition of words in natural images: the general case of no fixed lexicon and unknown length. To this end we propose a convolutional neural network (CNN) based architecture which…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

We present an end-to-end trainable multi-task network that addresses the problem of lexicon-free text extraction from complex documents. This network simultaneously solves the problems of text localization and text recognition and text…

Computation and Language · Computer Science 2019-06-25 Mohammad Reza Sarshogh , Keegan E. Hines

Scene-text image synthesis techniques that aim to naturally compose text instances on background scene images are very appealing for training deep neural networks due to their ability to provide accurate and comprehensive annotation…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Zhengmi Tang , Tomo Miyazaki , Shinichiro Omachi