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Scene text detection, an important step of scene text reading systems, has witnessed rapid development with convolutional neural networks. Nonetheless, two main challenges still exist and hamper its deployment to real-world applications.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Wenhai Wang , Enze Xie , Xiaoge Song , Yuhang Zang , Wenjia Wang , Tong Lu , Gang Yu , Chunhua Shen

A critical challenge to image-text retrieval is how to learn accurate correspondences between images and texts. Most existing methods mainly focus on coarse-grained correspondences based on co-occurrences of semantic objects, while failing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Guoliang Wang , Yanlei Shang , Yong Chen

Recently, segmentation-based scene text detection methods have drawn extensive attention in the scene text detection field, because of their superiority in detecting the text instances of arbitrary shapes and extreme aspect ratios,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Minghui Liao , Zhisheng Zou , Zhaoyi Wan , Cong Yao , Xiang Bai

Scene text recognition has been a hot topic in computer vision. Recent methods adopt the attention mechanism for sequence prediction which achieve convincing results. However, we argue that the existing attention mechanism faces the problem…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Zhi Qiao , Xugong Qin , Yu Zhou , Fei Yang , Weiping Wang

Previous approaches for scene text detection have already achieved promising performances across various benchmarks. However, they usually fall short when dealing with challenging scenarios, even when equipped with deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Xinyu Zhou , Cong Yao , He Wen , Yuzhi Wang , Shuchang Zhou , Weiran He , Jiajun Liang

A scene text spotter is composed of text detection and recognition modules. Many studies have been conducted to unify these modules into an end-to-end trainable model to achieve better performance. A typical architecture places detection…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Youngmin Baek , Seung Shin , Jeonghun Baek , Sungrae Park , Junyeop Lee , Daehyun Nam , Hwalsuk Lee

Although recent works based on deep learning have made progress in improving recognition accuracy on scene text recognition, how to handle low-quality text images in end-to-end deep networks remains a research challenge. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Zhiwei Jia , Shugong Xu , Shiyi Mu , Yue Tao , Shan Cao , Zhiyong Chen

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…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Jingqun Tang , Wenqing Zhang , Hongye Liu , MingKun Yang , Bo Jiang , Guanglong Hu , Xiang Bai

Scene text detection task has attracted considerable attention in computer vision because of its wide application. In recent years, many researchers have introduced methods of semantic segmentation into the task of scene text detection, and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Jinyuan Zhao , Yanna Wang , Baihua Xiao , Cunzhao Shi , Fuxi Jia , Chunheng Wang

Text detection and recognition in natural images have long been considered as two separate tasks that are processed sequentially. Training of two tasks in a unified framework is non-trivial due to significant dif- ferences in optimisation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Tong He , Zhi Tian , Weilin Huang , Chunhua Shen , Yu Qiao , Changming Sun

Previous scene text detection methods have progressed substantially over the past years. However, limited by the receptive field of CNNs and the simple representations like rectangle bounding box or quadrangle adopted to describe text,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Chengquan Zhang , Borong Liang , Zuming Huang , Mengyi En , Junyu Han , Errui Ding , Xinghao Ding

Incidental scene text detection, especially for multi-oriented text regions, is one of the most challenging tasks in many computer vision applications. Different from the common object detection task, scene text often suffers from a large…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Qiangpeng Yang , Mengli Cheng , Wenmeng Zhou , Yan Chen , Minghui Qiu , Wei Lin , Wei Chu

Recent advances in 3D object detection are made by developing the refinement stage for voxel-based Region Proposal Networks (RPN) to better strike the balance between accuracy and efficiency. A popular approach among state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Minh-Quan Dao , Elwan Héry , Vincent Frémont

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

Recently, segmentation-based methods are quite popular in scene text detection, as the segmentation results can more accurately describe scene text of various shapes such as curve text. However, the post-processing of binarization is…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Minghui Liao , Zhaoyi Wan , Cong Yao , Kai Chen , Xiang Bai

Scene text spotting is of great importance to the computer vision community due to its wide variety of applications. Recent methods attempt to introduce linguistic knowledge for challenging recognition rather than pure visual…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Shancheng Fang , Zhendong Mao , Hongtao Xie , Yuxin Wang , Chenggang Yan , Yongdong Zhang

Few-shot semantic segmentation is the task of learning to locate each pixel of the novel class in the query image with only a few annotated support images. The current correlation-based methods construct pair-wise feature correlations to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Huafeng Liu , Pai Peng , Tao Chen , Qiong Wang , Yazhou Yao , Xian-Sheng Hua

Objects for detection usually have distinct characteristics in different sub-regions and different aspect ratios. However, in prevalent two-stage object detection methods, Region-of-Interest (RoI) features are extracted by RoI pooling with…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Yao Zhai , Jingjing Fu , Yan Lu , Houqiang Li

Scene text detection methods based on neural networks have emerged recently and have shown promising results. Previous methods trained with rigid word-level bounding boxes exhibit limitations in representing the text region in an arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Youngmin Baek , Bado Lee , Dongyoon Han , Sangdoo Yun , Hwalsuk Lee

Attention-based encoder-decoder framework is widely used in the scene text recognition task. However, for the current state-of-the-art(SOTA) methods, there is room for improvement in terms of the efficient usage of local visual and global…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Mengmeng Cui , Wei Wang , Jinjin Zhang , Liang Wang