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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

Detecting irregular-shaped text instances is the main challenge for text detection. Existing approaches can be roughly divided into top-down and bottom-up perspective methods. The former encodes text contours into unified units, which…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

Lane detection is typically tackled with a two-step pipeline in which a segmentation mask of the lane markings is predicted first, and a lane line model (like a parabola or spline) is fitted to the post-processed mask next. The problem with…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Wouter Van Gansbeke , Bert De Brabandere , Davy Neven , Marc Proesmans , Luc Van Gool

Scene text image contains two levels of contents: visual texture and semantic information. Although the previous scene text recognition methods have made great progress over the past few years, the research on mining semantic information to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Deli Yu , Xuan Li , Chengquan Zhang , Junyu Han , Jingtuo Liu , Errui Ding

The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

Pursuing efficient text shape representations helps scene text detection models focus on compact foreground regions and optimize the contour reconstruction steps to simplify the whole detection pipeline. Current approaches either represent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Chuang Yang , Xu Han , Tao Han , Han Han , Bingxuan Zhao , Qi Wang

More and more end-to-end text spotting methods based on Transformer architecture have demonstrated superior performance. These methods utilize a bipartite graph matching algorithm to perform one-to-one optimal matching between predicted…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yu Xie , Qian Qiao , Jun Gao , Tianxiang Wu , Jiaqing Fan , Yue Zhang , Jielei Zhang , Huyang Sun

Low-resolution text images are often seen in natural scenes such as documents captured by mobile phones. Recognizing low-resolution text images is challenging because they lose detailed content information, leading to poor recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Wenjia Wang , Enze Xie , Xuebo Liu , Wenhai Wang , Ding Liang , Chunhua Shen , Xiang Bai

Speculative decoding has been widely used to accelerate auto-regressive (AR) text generation. However, its effectiveness for visual AR models remains limited due to token selection ambiguity, where multiple tokens share similarly low…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Sihwan Park , Doohyuk Jang , Sungyub Kim , Souvik Kundu , Eunho Yang

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

Lane detection, the process of identifying lane markings as approximated curves, is widely used for lane departure warning and adaptive cruise control in autonomous vehicles. The popular pipeline that solves it in two steps -- feature…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ruijin Liu , Zejian Yuan , Tie Liu , Zhiliang Xiong

This study addresses the issues of semantic entanglement, unclear label structure, and insufficient feature representation in few-shot text classification, and proposes an optimization framework based on structured prompts to enhance…

Computation and Language · Computer Science 2026-03-02 Jiasen Zheng , Zijun Zhou , Huajun Zhang , Junjiang Lin , Jingyun Jia , Qi Wang

In this paper, we propose a refined scene text detector with a \textit{novel} Feature Enhancement Network (FEN) for Region Proposal and Text Detection Refinement. Retrospectively, both region proposal with \textit{only} $3\times 3$…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Sheng Zhang , Yuliang Liu , Lianwen Jin , Canjie Luo

Lensless imaging stands out as a promising alternative to conventional lens-based systems, particularly in scenarios demanding ultracompact form factors and cost-effective architectures. However, such systems are fundamentally governed by…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Jiesong Bai , Yuhao Yin , Yihang Dong , Xiaofeng Zhang , Chi-Man Pun , Xuhang Chen

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

Video text spotting (VTS) extends image text spotting (ITS) by adding text tracking, significantly increasing task complexity. Despite progress in VTS, existing methods still fall short of the performance seen in ITS. This paper identifies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Haibin He , Jing Zhang , Maoyuan Ye , Juhua Liu , Bo Du , Dacheng Tao

The goal of text spotting is to perform text detection and recognition in an end-to-end manner. Although the diversity of luminosity and orientation in scene texts has been widely studied, the font diversity and shape variance of the same…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Xixuan Hao , Aozhong Zhang , Xianze Meng , Bin Fu

Existing machine-generated text (MGT) detection methods implicitly assume labels as the "golden standard". However, we reveal boundary ambiguity in MGT detection, implying that traditional training paradigms are inexact. Moreover,…

Computation and Language · Computer Science 2025-11-04 Chenwang Wu , Yiu-ming Cheung , Bo Han , Defu Lian

Inspired by human driving focus, this research pioneers networks augmented with Focusing Sampling, Partial Field of View Evaluation, Enhanced FPN architecture and Directional IoU Loss - targeted innovations addressing obstacles to precise…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Liman Wang , Hanyang Zhong

The rapid advancement in large language models (LLMs) has significantly enhanced their ability to generate coherent and contextually relevant text, raising concerns about the misuse of AI-generated content and making it critical to detect…

Computation and Language · Computer Science 2025-07-15 Pablo Miralles-González , Javier Huertas-Tato , Alejandro Martín , David Camacho