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Interference detection of arbitrary geometric objects is not a trivial task due to the heavy computational load imposed by implementation issues. The hierarchically structured bounding boxes help us to quickly isolate the contour of…

Graphics · Computer Science 2016-11-14 L. A. Rivera , Vania V. Estrela , P. C. P. Carvalho

Text segmentation tasks have a very wide range of application values, such as image editing, style transfer, watermark removal, etc.However, existing public datasets are of poor quality of pixel-level labels that have been shown to be…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Yibo Wang , Yunhu Ye , Yuanpeng Mao , Yanwei Yu , Yuanping Song

Recent scene text detection works mainly focus on curve text detection. However, in real applications, the curve texts are more scarce than the multi-oriented ones. Accurate detection of multi-oriented text with large variations of scales,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Xugong Qin , Yu Zhou , Dayan Wu , Yinliang Yue , Weiping Wang

Recently, Transformer-based text detection techniques have sought to predict polygons by encoding the coordinates of individual boundary vertices using distinct query features. However, this approach incurs a significant memory overhead and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Xuyang Chen , Dong Wang , Konrad Schindler , Mingwei Sun , Yongliang Wang , Nicolo Savioli , Liqiu Meng

Detecting curved text in the wild is very challenging. Recently, most state-of-the-art methods are segmentation based and require pixel-level annotations. We propose a novel scheme to train an accurate text detector using only a small…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Xugong Qin , Yu Zhou , Dongbao Yang , Weiping Wang

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

Text detection is frequently used in vision-based mobile robots when they need to interpret texts in their surroundings to perform a given task. For instance, delivery robots in multilingual cities need to be capable of doing multilingual…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Hsin-Ju Lin , Tsu-Chun Chung , Ching-Chun Hsiao , Pin-Yu Chen , Wei-Chen Chiu , Ching-Chun Huang

Textual information found in scene images provides high level semantic information about the image and its context and it can be leveraged for better scene understanding. In this paper we address the problem of scene text retrieval: given a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Lluís Gómez , Andrés Mafla , Marçal Rusiñol , Dimosthenis Karatzas

Temporal consistency is essential for video editing applications. Existing work on layered representation of videos allows propagating edits consistently to each frame. These methods, however, can only edit object appearance rather than…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Yao-Chih Lee , Ji-Ze Genevieve Jang , Yi-Ting Chen , Elizabeth Qiu , Jia-Bin Huang

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

Neural Radiance Fields achieve high-fidelity scene representation but suffer from costly training and rendering, while 3D Gaussian splatting offers real-time performance with strong empirical results. Recently, solutions that harness the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Grzegorz Wilczyński , Mikołaj Zieliński , Krzysztof Byrski , Joanna Waczyńska , Dominik Belter , Przemysław Spurek

Text in curve orientation, despite being one of the common text orientations in real world environment, has close to zero existence in well received scene text datasets such as ICDAR2013 and MSRA-TD500. The main motivation of Total-Text is…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Chee Kheng Chng , Chee Seng Chan

Understanding body part geometry is crucial for precise medical diagnostics. Curves effectively describe anatomical structures and are widely used in medical imaging applications related to cardiovascular, respiratory, and skeletal…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Farukh Yaushev , Daria Nogina , Valentin Samokhin , Mariya Dugova , Ekaterina Petrash , Dmitry Sevryukov , Mikhail Belyaev , Maxim Pisov

Object proposal technique with dense anchoring scheme for scene text detection were applied frequently to achieve high recall. It results in the significant improvement in accuracy but waste of computational searching, regression and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Anna Zhu , Hang Du , Shengwu Xiong

Diffusion models have attracted significant attention due to the remarkable ability to create content and generate data for tasks like image classification. However, the usage of diffusion models to generate the high-quality object…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Kai Chen , Enze Xie , Zhe Chen , Yibo Wang , Lanqing Hong , Zhenguo Li , Dit-Yan Yeung

"Text can appear anywhere". This property requires us to carefully process all the pixels in an image in order to accurately localize all text instances. In particular, for the more difficult task of localizing small text regions, many…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Elad Richardson , Yaniv Azar , Or Avioz , Niv Geron , Tomer Ronen , Zach Avraham , Stav Shapiro

In this paper we propose an approach to lexicon-free recognition of text in scene images. Our approach relies on a LSTM-based soft visual attention model learned from convolutional features. A set of feature vectors are derived from an…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Suman K. Ghosh , Ernest Valveny , Andrew D. Bagdanov

Direct contour regression for instance segmentation is a challenging task. Previous works usually achieve it by learning to progressively refine the contour prediction or adopting a shape representation with limited expressiveness. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Tutian Tang , Wenqiang Xu , Ruolin Ye , Yan-Feng Wang , Cewu Lu

In this paper, we present a novel approach for contour detection with Convolutional Neural Networks. A multi-scale CNN learning framework is designed to automatically learn the most relevant features for contour patch detection. Our method…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Teck Wee Chua , Li Shen

The prosperity of deep learning contributes to the rapid progress in scene text detection. Among all the methods with convolutional networks, segmentation-based ones have drawn extensive attention due to their superiority in detecting text…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Jingyu Lin , Jie Jiang , Yan Yan , Chunchao Guo , Hongfa Wang , Wei Liu , Hanzi Wang