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Scene text detection and recognition have been well explored in the past few years. Despite the progress, efficient and accurate end-to-end spotting of arbitrarily-shaped text remains challenging. In this work, we propose an end-to-end text…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Wenhai Wang , Enze Xie , Xiang Li , Xuebo Liu , Ding Liang , Zhibo Yang , Tong Lu , Chunhua Shen

Unconstrained text recognition is an important computer vision task, featuring a wide variety of different sub-tasks, each with its own set of challenges. One of the biggest promises of deep neural networks has been the convergence and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Mohamed Yousef , Khaled F. Hussain , Usama S. Mohammed

Accurate detection and localization of X-corner on both planar and non-planar patterns is a core step in robotics and machine vision. However, previous works could not make a good balance between accuracy and robustness, which are both…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Ben Chen , Caihua Xiong , Quanlin Li , Zhonghua Wan

Recently, a series of decomposition-based scene text detection methods has achieved impressive progress by decomposing challenging text regions into pieces and linking them in a bottom-up manner. However, most of them merely focus on…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Hao Liu , Antai Guo , Deqiang Jiang , Yiqing Hu , Bo Ren

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

Deep convolutional neural networks have become a key element in the recent breakthrough of salient object detection. However, existing CNN-based methods are based on either patch-wise (region-wise) training and inference or fully…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Guanbin Li , Yizhou Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2015-04-15 Lukáš Neumann , Jiří Matas

The fast growing deep learning technologies have become the main solution of many machine learning problems for medical image analysis. Deep convolution neural networks (CNNs), as one of the most important branch of the deep learning…

Computer Vision and Pattern Recognition · Computer Science 2017-08-25 Zizhao Zhang , Fuyong Xing , Hai Su , Xiaoshuang Shi , Lin Yang

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

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

In this paper, we present a new Mask R-CNN based text detection approach which can robustly detect multi-oriented and curved text from natural scene images in a unified manner. To enhance the feature representation ability of Mask R-CNN for…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Zhida Huang , Zhuoyao Zhong , Lei Sun , Qiang Huo

Localizing text instances in natural scenes is regarded as a fundamental challenge in computer vision. Nevertheless, owing to the extremely varied aspect ratios and scales of text instances in real scenes, most conventional text detectors…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Jingyang Lin , Yingwei Pan , Rongfeng Lai , Xuehang Yang , Hongyang Chao , Ting Yao

Region-based convolutional neural networks (R-CNN)~\cite{fast_rcnn,faster_rcnn,mask_rcnn} have largely dominated object detection. Operators defined on RoIs (Region of Interests) play an important role in R-CNNs such as…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Bo Li , Tianfu Wu , Lun Zhang , Rufeng Chu

Scene text recognition with arbitrary shape is very challenging due to large variations in text shapes, fonts, colors, backgrounds, etc. Most state-of-the-art algorithms rectify the input image into the normalized image, then treat the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Xinjie Feng , Hongxun Yao , Yuankai Qi , Jun Zhang , Shengping Zhang

Existing methods for scene text detection can be divided into two paradigms: segmentation-based and anchor-based. While Segmentation-based methods are well-suited for irregular shapes, they struggle with compact or overlapping layouts.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Longhuang Wu , Shangxuan Tian , Youxin Wang , Pengfei Xiong

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

The core challenge in Camouflage Object Detection (COD) lies in the indistinguishable similarity between targets and backgrounds in terms of color, texture, and shape. This causes existing methods to either lose edge details (such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Jianlin Sun , Xiaolin Fang , Juwei Guan , Dongdong Gui , Teqi Wang , Tongxin Zhu

Detecting scene text of arbitrary shapes has been a challenging task over the past years. In this paper, we propose a novel segmentation-based text detector, namely SAST, which employs a context attended multi-task learning framework based…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Pengfei Wang , Chengquan Zhang , Fei Qi , Zuming Huang , Mengyi En , Junyu Han , Jingtuo Liu , Errui Ding , Guangming Shi

Recently, the convolutional neural network has brought impressive improvements for object detection. However, detecting tiny objects in large-scale remote sensing images still remains challenging. First, the extreme large input size makes…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Jiangmiao Pang , Cong Li , Jianping Shi , Zhihai Xu , Huajun Feng

Automated recognition of texts in scenes has been a research challenge for years, largely due to the arbitrary variation of text appearances in perspective distortion, text line curvature, text styles and different types of imaging…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Fangneng Zhan , Shijian Lu