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This paper aims to re-assess scene text recognition (STR) from a data-oriented perspective. We begin by revisiting the six commonly used benchmarks in STR and observe a trend of performance saturation, whereby only 2.91% of the benchmark…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Qing Jiang , Jiapeng Wang , Dezhi Peng , Chongyu Liu , Lianwen Jin

Deep learning has shown great potential in accelerating diffusion tensor imaging (DTI). Nevertheless, existing methods tend to suffer from Rician noise and eddy current, leading to detail loss in reconstructing the DTI-derived parametric…

图像与视频处理 · 电气工程与系统科学 2024-08-21 Wenxin Fan , Jian Cheng , Cheng Li , Jing Yang , Ruoyou Wu , Juan Zou , Shanshan Wang

Optical Character Recognition is a technique that converts document images into searchable and editable text, making it a valuable tool for processing scanned documents. While the Farsi language stands as a prominent and official language…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Fatemeh Asadi-zeydabadi , Ali Afkari-Fahandari , Amin Faraji , Elham Shabaninia , Hossein Nezamabadi-pour

Developing effective scene text detection and recognition models hinges on extensive training data, which can be both laborious and costly to obtain, especially for low-resourced languages. Conventional methods tailored for Latin characters…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Vannkinh Nom , Souhail Bakkali , Muhammad Muzzamil Luqman , Mickaël Coustaty , Jean-Marc Ogier

In the past decade, object detection has achieved significant progress in natural images but not in aerial images, due to the massive variations in the scale and orientation of objects caused by the bird's-eye view of aerial images. More…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Jian Ding , Nan Xue , Gui-Song Xia , Xiang Bai , Wen Yang , Micheal Ying Yang , Serge Belongie , Jiebo Luo , Mihai Datcu , Marcello Pelillo , Liangpei Zhang

Numerous activities in our daily life require us to verify who we are by showing our ID documents containing face images, such as passports and driver licenses, to human operators. However, this process is slow, labor intensive and…

计算机视觉与模式识别 · 计算机科学 2018-09-19 Yichun Shi , Anil K. Jain

Recently, Transformer-based methods, which predict polygon points or Bezier curve control points for localizing texts, are popular in scene text detection. However, these methods built upon detection transformer framework might achieve…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Maoyuan Ye , Jing Zhang , Shanshan Zhao , Juhua Liu , Bo Du , Dacheng Tao

We present the largest publicly available synthetic OCR benchmark dataset for Indic languages. The collection contains a total of 90k images and their ground truth for 23 Indic languages. OCR model validation in Indic languages require a…

计算机视觉与模式识别 · 计算机科学 2022-05-06 Naresh Saini , Promodh Pinto , Aravinth Bheemaraj , Deepak Kumar , Dhiraj Daga , Saurabh Yadav , Srihari Nagaraj

This paper contributes a new large-scale dataset for weakly supervised cross-media retrieval, named Twitter100k. Current datasets, such as Wikipedia, NUS Wide and Flickr30k, have two major limitations. First, these datasets are lacking in…

计算机视觉与模式识别 · 计算机科学 2017-03-21 Yuting Hu , Liang Zheng , Yi Yang , Yongfeng Huang

The rapid progress of generative AI has enabled increasingly realistic text-centric image forgeries, posing major challenges to document safety. Existing forensic methods mainly rely on visual cues and lack evidence-based reasoning to…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Fanwei Zeng , Changtao Miao , Jing Huang , Zhiya Tan , Shutao Gong , Xiaoming Yu , Yang Wang , Weibin Yao , Joey Tianyi Zhou , Jianshu Li , Yin Yan

Document image rectification aims to eliminate geometric deformation in photographed documents to facilitate text recognition. However, existing methods often neglect the significance of foreground elements, which provide essential…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Peng Cai , Qiang Li , Kaicheng Yang , Dong Guo , Jia Li , Nan Zhou , Xiang An , Ninghua Yang , Jiankang Deng

In recent years, document processing has flourished and brought numerous benefits. However, there has been a significant rise in reported cases of forged document images. Specifically, recent advancements in deep neural network (DNN)…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Yamato Okamoto , Osada Genki , Iu Yahiro , Rintaro Hasegawa , Peifei Zhu , Hirokatsu Kataoka

Current text recognition systems, including those for handwritten scripts and scene text, have relied heavily on image synthesis and augmentation, since it is difficult to realize real-world complexity and diversity through collecting and…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Yuanzhi Zhu , Zhaohai Li , Tianwei Wang , Mengchao He , Cong Yao

Object detection has witnessed remarkable advancements over the past decade, largely driven by breakthroughs in deep learning and the proliferation of large scale datasets. However, the domain of road damage detection remains relatively…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Xi Xiao , Zhengji Li , Wentao Wang , Jiacheng Xie , Houjie Lin , Swalpa Kumar Roy , Tianyang Wang , Min Xu

With the increasing global popularity of self-driving cars, there is an immediate need for challenging real-world datasets for benchmarking and training various computer vision tasks such as 3D object detection. Existing datasets either…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Quang-Hieu Pham , Pierre Sevestre , Ramanpreet Singh Pahwa , Huijing Zhan , Chun Ho Pang , Yuda Chen , Armin Mustafa , Vijay Chandrasekhar , Jie Lin

The performance of optical character recognition (OCR) heavily relies on document image quality, which is crucial for automatic document processing and document intelligence. However, most existing document enhancement methods require…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Jiaxin Zhang , Joy Rimchala , Lalla Mouatadid , Kamalika Das , Sricharan Kumar

For successful scene text recognition (STR) models, synthetic text image generators have alleviated the lack of annotated text images from the real world. Specifically, they generate multiple text images with diverse backgrounds, font…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Moonbin Yim , Yoonsik Kim , Han-Cheol Cho , Sungrae Park

Contrary to popular belief, Optical Character Recognition (OCR) remains a challenging problem when text occurs in unconstrained environments, like natural scenes, due to geometrical distortions, complex backgrounds, and diverse fonts. In…

计算机视觉与模式识别 · 计算机科学 2019-06-06 Marcin Namysl , Iuliu Konya

Relevant information in documents is often summarized in tables, helping the reader to identify useful facts. Most benchmark datasets support either document layout analysis or table understanding, but lack in providing data to apply both…

计算与语言 · 计算机科学 2023-02-14 Andrea Gemelli , Emanuele Vivoli , Simone Marinai

Table Detection has become a fundamental task for visually rich document understanding with the surging number of electronic documents. However, popular public datasets widely used in related studies have inherent limitations, including…

信息检索 · 计算机科学 2023-11-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir