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Related papers: Arbitrary Shape Text Detection using Transformers

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We present PBFormer, an efficient yet powerful scene text detector that unifies the transformer with a novel text shape representation Polynomial Band (PB). The representation has four polynomial curves to fit a text's top, bottom, left,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Ruijin Liu , Ning Lu , Dapeng Chen , Cheng Li , Zejian Yuan , Wei Peng

We propose an end-to-end trainable network that can simultaneously detect and recognize text of arbitrary shape, making substantial progress on the open problem of reading scene text of irregular shape. We formulate arbitrary shape text…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Siyang Qin , Alessandro Bissacco , Michalis Raptis , Yasuhisa Fujii , Ying Xiao

Bottom-up text detection methods play an important role in arbitrary-shape scene text detection but there are two restrictions preventing them from achieving their great potential, i.e., 1) the accumulation of false text segment detections,…

Multimedia · Computer Science 2024-04-29 Chengpei Xu , Wenjing Jia , Ruomei Wang , Xiaonan Luo , Xiangjian He

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

Scene text detection is a challenging computer vision task due to the high variation in text shapes and ratios. In this work, we propose a scene text detector named Deformable Kernel Expansion (DKE), which incorporates the merits of both…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Tao He , Sheng Huang , Wenhao Tang , Bo Liu

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

Numerous scene text detection methods have been proposed in recent years. Most of them declare they have achieved state-of-the-art performances. However, the performance comparison is unfair, due to lots of inconsistent settings (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Pengwen Dai , Xiaochun Cao

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

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

Recent end-to-end scene text spotters have achieved great improvement in recognizing arbitrary-shaped text instances. Common approaches for text spotting use region of interest pooling or segmentation masks to restrict features to single…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Seonghyeon Kim , Seung Shin , Yoonsik Kim , Han-Cheol Cho , Taeho Kil , Jaeheung Surh , Seunghyun Park , Bado Lee , Youngmin Baek

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

Traditional text detection methods mostly focus on quadrangle text. In this study we propose a novel method named sliding line point regression (SLPR) in order to detect arbitrary-shape text in natural scene. SLPR regresses multiple points…

Computer Vision and Pattern Recognition · Computer Science 2018-01-31 Yixing Zhu , Jun Du

Scene text detection has witnessed rapid development in recent years. However, there still exists two main challenges: 1) many methods suffer from false positives in their text representations; 2) the large scale variance of scene texts…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Yuxin Wang , Hongtao Xie , Zhengjun Zha , Mengting Xing , Zilong Fu , Yongdong Zhang

In this paper, we present a joint end-to-end line segment detection algorithm using Transformers that is post-processing and heuristics-guided intermediate processing (edge/junction/region detection) free. Our method, named LinE segment…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Yifan Xu , Weijian Xu , David Cheung , Zhuowen Tu

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

We propose an accurate and efficient scene text detection framework, termed FAST (i.e., faster arbitrarily-shaped text detector). Different from recent advanced text detectors that used complicated post-processing and hand-crafted network…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Zhe Chen , Jiahao Wang , Wenhai Wang , Guo Chen , Enze Xie , Ping Luo , Tong Lu

Scene text detection has witnessed rapid progress especially with the recent development of convolutional neural networks. However, there still exists two challenges which prevent the algorithm into industry applications. On the one hand,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Wenhai Wang , Enze Xie , Xiang Li , Wenbo Hou , Tong Lu , Gang Yu , Shuai Shao

Due to the diversity of scene text in aspects such as font, color, shape, and size, accurately and efficiently detecting text is still a formidable challenge. Among the various detection approaches, segmentation-based approaches have…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Xu Han , Junyu Gao , Chuang Yang , Yuan Yuan , Qi Wang

The challenges of shape robust text detection lie in two aspects: 1) most existing quadrangular bounding box based detectors are difficult to locate texts with arbitrary shapes, which are hard to be enclosed perfectly in a rectangle; 2)…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Xiang Li , Wenhai Wang , Wenbo Hou , Ruo-Ze Liu , Tong Lu , Jian Yang

Scene text detection has drawn the close attention of researchers. Though many methods have been proposed for horizontal and oriented texts, previous methods may not perform well when dealing with arbitrary-shaped texts such as curved…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Youhui Guo , Yu Zhou , Xugong Qin , Weiping Wang