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With the explosive growth of web-based cameras and mobile devices, billions of photographs are uploaded to the internet. We can trivially collect a huge number of photo streams for various goals, such as 3D scene reconstruction and other…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Jianjun Yang , Yin Wang , Honggang Wang , Kun Hua , Wei Wang , Ju Shen

Printed text recognition is an important problem for industrial OCR systems. Printed text is constructed in a standard procedural fashion in most settings. We develop a mathematical model for this process that can be applied to the backward…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Wei Tang , John Corring , Ying Wu , Gang Hua

Recent advances in deep learning for remote sensing rely heavily on large annotated datasets, yet acquiring high-quality ground truth for geometric, radiometric, and multi-domain tasks remains costly and often infeasible. In particular, the…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Safouane El Ghazouali , Nicola Venturi , Michael Rueegsegger , Umberto Michelucci

Text Detection and recognition is a one of the important aspect of image processing. This paper analyzes and compares the methods to handle this task. It summarizes the fundamental problems and enumerates factors that need consideration…

计算机视觉与模式识别 · 计算机科学 2018-05-03 Tanvi Goswami , Zankhana Barad , Prof. Nikita P. Desai

Learning-based methods for 3D scene reconstruction and object completion require large datasets containing partial scans paired with complete ground-truth geometry. However, acquiring such datasets using real-world scanning systems is…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Jelle Vermandere , Maarten Bassier , Maarten Vergauwen

To prevent unauthorized use of text in images, Scene Text Removal (STR) has become a crucial task. It focuses on automatically removing text and replacing it with a natural, text-less background while preserving significant details such as…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Sanhita Pathak , Vinay Kaushik , Brejesh Lall

Extremely low-light text images are common in natural scenes, making scene text detection and recognition challenging. One solution is to enhance these images using low-light image enhancement methods before text extraction. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Che-Tsung Lin , Chun Chet Ng , Zhi Qin Tan , Wan Jun Nah , Xinyu Wang , Jie Long Kew , Pohao Hsu , Shang Hong Lai , Chee Seng Chan , Christopher Zach

Real-world text image super-resolution aims to restore overall visual quality and text legibility in images suffering from diverse degradations and text distortions. However, the scarcity of text image data in existing datasets results in…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Haodong He , Xin Zhan , Yancheng Bai , Rui Lan , Lei Sun , Xiangxiang Chu

Scene Text Image Super-resolution (STISR) aims to recover high-resolution (HR) scene text images with visually pleasant and readable text content from the given low-resolution (LR) input. Most existing works focus on recovering English…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Jianqi Ma , Zhetong Liang , Wangmeng Xiang , Xi Yang , Lei Zhang

Automatic document content processing is affected by artifacts caused by the shape of the paper, non-uniform and diverse color of lighting conditions. Fully-supervised methods on real data are impossible due to the large amount of data…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Sagnik Das , Hassan Ahmed Sial , Ke Ma , Ramon Baldrich , Maria Vanrell , Dimitris Samaras

This paper explores the multi-scale aggregation strategy for scene text detection in natural images. We present the Aggregated Text TRansformer(ATTR), which is designed to represent texts in scene images with a multi-scale self-attention…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Zhao Zhou , Xiangcheng Du , Yingbin Zheng , Cheng Jin

For many fundamental scene understanding tasks, it is difficult or impossible to obtain per-pixel ground truth labels from real images. We address this challenge by introducing Hypersim, a photorealistic synthetic dataset for holistic…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Mike Roberts , Jason Ramapuram , Anurag Ranjan , Atulit Kumar , Miguel Angel Bautista , Nathan Paczan , Russ Webb , Joshua M. Susskind

Optical Character Recognition (OCR), the task of extracting textual information from scanned documents is a vital and broadly used technology for digitizing and indexing physical documents. Existing technologies perform well for clean…

计算机视觉与模式识别 · 计算机科学 2022-05-18 Daniel Rotman , Ophir Azulai , Inbar Shapira , Yevgeny Burshtein , Udi Barzelay

Scene-text recognition is remarkably better in Latin languages than the non-Latin languages due to several factors like multiple fonts, simplistic vocabulary statistics, updated data generation tools, and writing systems. This paper…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Sanjana Gunna , Rohit Saluja , C. V. Jawahar

Within the text analysis and processing fields, generated text attacks have been made easier to create than ever before. To combat these attacks open sourcing models and datasets have become a major trend to create automated detection…

计算与语言 · 计算机科学 2022-10-13 Jesus Guerrero , Izzat Alsmadi

Image super-resolution(SR) is fundamental to many vision system-from surveillance and autonomy to document analysis and retail analytics-because recovering high-frequency details, especially scene-text, enables reliable downstream…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Mingyu Sung , Seungjae Ham , Kangwoo Kim , Yeokyoung Yoon , Sangseok Yun , Il-Min Kim , Jae-Mo Kang

Recent scene text detection methods are almost based on deep learning and data-driven. Synthetic data is commonly adopted for pre-training due to expensive annotation cost. However, there are obvious domain discrepancies between synthetic…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Youhui Guo , Yu Zhou , Xugong Qin , Enze Xie , Weiping Wang

Scene text removal (STR), a task of erasing text from natural scene images, has recently attracted attention as an important component of editing text or concealing private information such as ID, telephone, and license plate numbers. While…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Hyeonsu Lee , Chankyu Choi

Synthetic image translation has significant potentials in autonomous transportation systems. That is due to the expense of data collection and annotation as well as the unmanageable diversity of real-words situations. The main issue with…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Sebastian Bujwid , Miquel Martí , Hossein Azizpour , Alessandro Pieropan

Text erasure from an image is helpful for various tasks such as image editing and privacy preservation. In this paper, we present TPFNet, a novel one-stage (end-toend) network for text removal from images. Our network has two parts: feature…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Onkar Susladkar , Dhruv Makwana , Gayatri Deshmukh , Sparsh Mittal , Sai Chandra Teja R , Rekha Singhal