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Text image super-resolution is a unique and important task to enhance readability of text images to humans. It is widely used as pre-processing in scene text recognition. However, due to the complex degradation in natural scenes, recovering…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Rui Qin , Bin Wang , Yu-Wing Tai

Object recognition is among the fundamental tasks in the computer vision applications, paving the path for all other image understanding operations. In every stage of progress in object recognition research, efforts have been made to…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Aria Salari , Abtin Djavadifar , Xiangrui Liu , Homayoun Najjaran

Large text-to-image diffusion models have impressive capabilities in generating photorealistic images from text prompts. How to effectively guide or control these powerful models to perform different downstream tasks becomes an important…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Zeju Qiu , Weiyang Liu , Haiwen Feng , Yuxuan Xue , Yao Feng , Zhen Liu , Dan Zhang , Adrian Weller , Bernhard Schölkopf

Recently, several data-sets associating data to text have been created to train data-to-text surface realisers. It is unclear however to what extent the surface realisation task exercised by these data-sets is linguistically challenging. Do…

计算与语言 · 计算机科学 2017-05-11 Laura Perez-Beltrachini , Claire Gardent

Nowadays document analysis and recognition remain challenging tasks. However, only a few datasets designed for text detection (TD) and optical character recognition (OCR) problems exist. In this paper we present Distorted Document Images…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Ilia Zharikov , Filipp Nikitin , Ilia Vasiliev , Vladimir Dokholyan

Scene text synthesis involves rendering specified texts onto arbitrary images. Current methods typically formulate this task in an end-to-end manner but lack effective character-level guidance during training. Besides, their text encoders,…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yibin Wang , Weizhong Zhang , Honghui Xu , Cheng Jin

In our study, we explore methods for detecting unwanted content lurking in visual datasets. We provide a theoretical analysis demonstrating that a model capable of successfully partitioning visual data can be obtained using only textual…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Saehyung Lee , Jisoo Mok , Sangha Park , Yongho Shin , Dahuin Jung , Sungroh Yoon

The character information in natural scene images contains various personal information, such as telephone numbers, home addresses, etc. It is a high risk of leakage the information if they are published. In this paper, we proposed a scene…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Toshiki Nakamura , Anna Zhu , Keiji Yanai , Seiichi Uchida

In recent years, text-image joint pre-training techniques have shown promising results in various tasks. However, in Optical Character Recognition (OCR) tasks, aligning text instances with their corresponding text regions in images poses a…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Chen Duan , Pei Fu , Shan Guo , Qianyi Jiang , Xiaoming Wei

To highlight the challenges of achieving representation disentanglement for text domain in an unsupervised setting, in this paper we select a representative set of successfully applied models from the image domain. We evaluate these models…

计算与语言 · 计算机科学 2021-06-08 Lan Zhang , Victor Prokhorov , Ehsan Shareghi

Text detection in natural scene images for content analysis is an interesting task. The research community has seen some great developments for English/Mandarin text detection. However, Urdu text extraction in natural scene images is a task…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Hazrat Ali , Khalid Iqbal , Ghulam Mujtaba , Ahmad Fayyaz , Mohammad Farhad Bulbul , Fazal Wahab Karam , Ali Zahir

Scene text detection techniques have garnered significant attention due to their wide-ranging applications. However, existing methods have a high demand for training data, and obtaining accurate human annotations is labor-intensive and…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Ling Fu , Zijie Wu , Yingying Zhu , Yuliang Liu , Xiang Bai

Scene Text Image Super-resolution (STISR) has recently achieved great success as a preprocessing method for scene text recognition. STISR aims to transform blurred and noisy low-resolution (LR) text images in real-world settings into clear…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Chihiro Noguchi , Shun Fukuda , Masao Yamanaka

Recent advances in Multimodal Large Language Models (MLLMs) and diffusion-based generative models have substantially improved prompt-driven image editing. However, scene text editing remains challenging, as it requires models to precisely…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Yiheng Lin , Siyu Jiao , Xiaohan Lan , Wei Zhou , Qi She , Fei Yu , Heyun Chen , Zhengwei Wang , Jinghuan Chen , Moran Li , Yingchen Yu , Zijian Feng , Yao Zhao , Yunchao Wei , Yujie Zhong

Annotating bounding boxes for object detection is expensive, time-consuming, and error-prone. In this work, we propose a DETR based framework called ComplETR that is designed to explicitly complete missing annotations in partially annotated…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Achin Jain , Kibok Lee , Gurumurthy Swaminathan , Hao Yang , Bernt Schiele , Avinash Ravichandran , Onkar Dabeer

Texture analysis plays an important role in many image processing applications to describe the image content or objects. On the other hand, visual surface defect detection is a highly research field in the computer vision. Surface defect…

计算机视觉与模式识别 · 计算机科学 2019-06-28 Shervan Fekri-Ershad

Scene text detection remains a grand challenge due to the variation in text curvatures, orientations, and aspect ratios. One of the hardest problems in this task is how to represent text instances of arbitrary shapes. Although many methods…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Tao Sheng , Jie Chen , Zhouhui Lian

A large fraction of textual data available today contains various types of 'noise', such as OCR noise in digitized documents, noise due to informal writing style of users on microblogging sites, and so on. To enable tasks such as…

信息检索 · 计算机科学 2021-01-12 Anurag Roy , Shalmoli Ghosh , Kripabandhu Ghosh , Saptarshi Ghosh

Analysis of faces is one of the core applications of computer vision, with tasks ranging from landmark alignment, head pose estimation, expression recognition, and face recognition among others. However, building reliable methods requires…

The adaptation capability to a wide range of domains is crucial for scene text spotting models when deployed to real-world conditions. However, existing state-of-the-art (SOTA) approaches usually incorporate scene text detection and…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Alloy Das , Sanket Biswas , Ayan Banerjee , Josep Lladós , Umapada Pal , Saumik Bhattacharya