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Scene text removal (STR) is a challenging task due to the complex text fonts, colors, sizes, and background textures in scene images. However, most previous methods learn both text location and background inpainting implicitly within a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Guangtao Lyu , Anna Zhu

Reading text in the wild is a very challenging task due to the diversity of text instances and the complexity of natural scenes. Recently, the community has paid increasing attention to the problem of recognizing text instances with…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 MingKun Yang , Yushuo Guan , Minghui Liao , Xin He , Kaigui Bian , Song Bai , Cong Yao , Xiang Bai

Scene text image super-resolution has significantly improved the accuracy of scene text recognition. However, many existing methods emphasize performance over efficiency and ignore the practical need for lightweight solutions in deployment…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 LeoWu TomyEnrique , Xiangcheng Du , Kangliang Liu , Han Yuan , Zhao Zhou , Cheng Jin

Reading text in the wild is a challenging task in the field of computer vision. Existing approaches mainly adopted Connectionist Temporal Classification (CTC) or Attention models based on Recurrent Neural Network (RNN), which is…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Yunze Gao , Yingying Chen , Jinqiao Wang , Hanqing Lu

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

A growing demand for natural-scene text detection has been witnessed by the computer vision community since text information plays a significant role in scene understanding and image indexing. Deep neural networks are being used due to…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Fan Jiang , Zhihui Hao , Xinran Liu

Scene text detection and recognition has received increasing research attention. Existing methods can be roughly categorized into two groups: character-based and segmentation-based. These methods either are costly for character annotation…

Computer Vision and Pattern Recognition · Computer Science 2020-02-26 Yuliang Liu , Hao Chen , Chunhua Shen , Tong He , Lianwen Jin , Liangwei Wang

Recently, the semantics of scene text has been proven to be essential in fine-grained image classification. However, the existing methods mainly exploit the literal meaning of scene text for fine-grained recognition, which might be…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Hao Wang , Junchao Liao , Tianheng Cheng , Zewen Gao , Hao Liu , Bo Ren , Xiang Bai , Wenyu Liu

Lensless cameras are characterized by several advantages (e.g., miniaturization, ease of manufacture, and low cost) as compared with conventional cameras. However, they have not been extensively employed due to their poor image clarity and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yinger Zhang , Zhouyi Wu , Peiying Lin , Yuting Wu , Lusong Wei , Zhengjie Huang , Jiangtao Huangfu

Most text detection methods hypothesize texts are horizontal or multi-oriented and thus define quadrangles as the basic detection unit. However, text in the wild is usually perspectively distorted or curved, which can not be easily tackled…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Jiaming Liu , Chengquan Zhang , Yipeng Sun , Junyu Han , Errui Ding

We tackle open-world semantic segmentation, which aims at learning to segment arbitrary visual concepts in images, by using only image-text pairs without dense annotations. Existing open-world segmentation methods have shown impressive…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Junbum Cha , Jonghwan Mun , Byungseok Roh

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

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

Recently, semantic segmentation and general object detection frameworks have been widely adopted by scene text detecting tasks. However, both of them alone have obvious shortcomings in practice. In this paper, we propose a novel end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yuan Li , Yuanjie Yu , Zefeng Li , Yangkun Lin , Meifang Xu , Jiwei Li , Xi Zhou

Reading text from images remains challenging due to multi-orientation, perspective distortion and especially the curved nature of irregular text. Most of existing approaches attempt to solve the problem in two or multiple stages, which is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Yipeng Sun , Chengquan Zhang , Zuming Huang , Jiaming Liu , Junyu Han , Errui Ding

In this work, we for the first time present a method for detecting label errors in image datasets with semantic segmentation, i.e., pixel-wise class labels. Annotation acquisition for semantic segmentation datasets is time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Matthias Rottmann , Marco Reese

Recent CLIP-based few-shot semantic segmentation methods introduce class-level textual priors to assist segmentation by typically using a single prompt (e.g., a photo of class). However, these approaches often result in incomplete…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Qiang Jiao , Bin Yan , Yi Yang , Mengrui Shi , Qiang Zhang

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

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

Co-occurrent visual patterns suggest that pixel relation modeling facilitates dense prediction tasks, which inspires the development of numerous context modeling paradigms, \emph{e.g.}, multi-scale-driven and similarity-driven context…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Zhenchao Jin , Xiaowei Hu , Lingting Zhu , Luchuan Song , Li Yuan , Lequan Yu