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Optical Character Recognition (OCR) is an established task with the objective of identifying the text present in an image. While many off-the-shelf OCR models exist, they are often trained for either scientific (e.g., formulae) or generic…

计算与语言 · 计算机科学 2024-03-26 Nan Zhang , Connor Heaton , Sean Timothy Okonsky , Prasenjit Mitra , Hilal Ezgi Toraman

End-to-end scene text spotting has attracted great attention in recent years due to the success of excavating the intrinsic synergy of the scene text detection and recognition. However, recent state-of-the-art methods usually incorporate…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Mingxin Huang , Yuliang Liu , Zhenghao Peng , Chongyu Liu , Dahua Lin , Shenggao Zhu , Nicholas Yuan , Kai Ding , Lianwen Jin

Scene text removal (STR) is the image transformation task to remove text regions in scene images. The conventional STR methods remove all scene text. This means that the existing methods cannot select text to be removed. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Hayato Mitani , Akisato Kimura , Seiichi Uchida

In this paper I have proposed a method to find the major pixel intensity inside the text and thresholding an image accordingly to make it easier to be used for optical character recognition (OCR) models. In our method, instead of editing…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Rohan Lal Kshetry

Image alignment and image restoration are classical computer vision tasks. However, there is still a lack of datasets that provide enough data to train and evaluate end-to-end deep learning models. Obtaining ground-truth data for image…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Cross-lingual text representations have gained popularity lately and act as the backbone of many tasks such as unsupervised machine translation and cross-lingual information retrieval, to name a few. However, evaluation of such…

计算与语言 · 计算机科学 2021-05-12 Mikhail Fain , Niall Twomey , Danushka Bollegala

Scene Text Image Super-Resolution (STISR) aims to restore high-resolution details in low-resolution text images, which is crucial for both human readability and machine recognition. Existing methods, however, often depend on external…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Axi Niu , Kang Zhang , Qingsen Yan , Hao Jin , Jinqiu Sun , Yanning Zhang

Reading scene text, that is, text appearing in images, has numerous application areas, including assistive technology, search, and e-commerce. Although scene text recognition in English has advanced significantly and is often considered…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Anik De , Abhirama Subramanyam Penamakuri , Rajeev Yadav , Aditya Rathore , Harshiv Shah , Devesh Sharma , Sagar Agarwal , Pravin Kumar , Anand Mishra

In real-world applications where confidence is key, like autonomous driving, the accurate detection and appropriate handling of classes differing from those used during training are crucial. Despite the proposal of various unknown object…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Hejer Ammar , Nikita Kiselov , Guillaume Lapouge , Romaric Audigier

Synthetic Aperture Radar (SAR) and optical image registration is essential for remote sensing data fusion, with applications in military reconnaissance, environmental monitoring, and disaster management. However, challenges arise from…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Wenfei Zhang , Ruipeng Zhao , Yongxiang Yao , Yi Wan , Peihao Wu , Jiayuan Li , Yansheng Li , Yongjun Zhang

Recent deep learning models have demonstrated strong capabilities for classifying text and non-text components in natural images. They extract a high-level feature computed globally from a whole image component (patch), where the cluttered…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

Optical coherence tomography angiography (OCTA) is a new imaging modality to visualize retinal microvasculature and has been readily adopted in clinics. High-resolution OCT angiograms are important to qualitatively and quantitatively…

图像与视频处理 · 电气工程与系统科学 2023-05-11 Yuyan Ruan , Dawei Yang , Ziqi Tang , An Ran Ran , Carol Y. Cheung , Hao Chen

Handwritten Text Recognition (HTR) is a task of central importance in the field of document image understanding. State-of-the-art methods for HTR require the use of extensive annotated sets for training, making them impractical for…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Petros Georgoulas Wraight , Giorgos Sfikas , Ioannis Kordonis , Petros Maragos , George Retsinas

Arbitrary text appearance poses a great challenge in scene text recognition tasks. Existing works mostly handle with the problem in consideration of the shape distortion, including perspective distortions, line curvature or other style…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Chengwei Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Fei Wu , Futai Zou

Many new proposals for scene text recognition (STR) models have been introduced in recent years. While each claim to have pushed the boundary of the technology, a holistic and fair comparison has been largely missing in the field due to the…

计算机视觉与模式识别 · 计算机科学 2019-12-19 Jeonghun Baek , Geewook Kim , Junyeop Lee , Sungrae Park , Dongyoon Han , Sangdoo Yun , Seong Joon Oh , Hwalsuk Lee

Recognizing text from natural images is a hot research topic in computer vision due to its various applications. Despite the enduring research of several decades on optical character recognition (OCR), recognizing texts from natural images…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Zhanzhan Cheng , Yangliu Xu , Fan Bai , Yi Niu , Shiliang Pu , Shuigeng Zhou

While recent methods for motion and stereo estimation recover an unprecedented amount of details, such highly detailed structures are neither adequately reflected in the data of existing benchmarks nor their evaluation methodology. Hence,…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Lukas Mehl , Jenny Schmalfuss , Azin Jahedi , Yaroslava Nalivayko , Andrés Bruhn

Addressing gaps caused by cloud cover and the long revisit cycle of satellites is vital for providing essential data to support remote sensing applications. This paper tackles the challenges of missing optical data synthesis, particularly…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Chenxi Duan

The use of machine learning (ML)-based language models (LMs) to monitor content online is on the rise. For toxic text identification, task-specific fine-tuning of these models are performed using datasets labeled by annotators who provide…

计算与语言 · 计算机科学 2021-12-08 Kofi Arhin , Ioana Baldini , Dennis Wei , Karthikeyan Natesan Ramamurthy , Moninder Singh

Scene text recognition (STR) attracts much attention over the years because of its wide application. Most methods train STR model in a fully supervised manner which requires large amounts of labeled data. Although synthetic data contributes…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Caiyuan Zheng , Hui Li , Seon-Min Rhee , Seungju Han , Jae-Joon Han , Peng Wang