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Existing scene text spotters are designed to locate and transcribe texts from images. However, it is challenging for a spotter to achieve precise detection and recognition of scene texts simultaneously. Inspired by the glimpse-focus…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Jiahao Lyu , Jin Wei , Gangyan Zeng , Zeng Li , Enze Xie , Wei Wang , Yu Zhou

Text-based image captioning (TextCap) which aims to read and reason images with texts is crucial for a machine to understand a detailed and complex scene environment, considering that texts are omnipresent in daily life. This task, however,…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Guanghui Xu , Shuaicheng Niu , Mingkui Tan , Yucheng Luo , Qing Du , Qi Wu

Many approaches have recently been proposed to detect irregular scene text and achieved promising results. However, their localization results may not well satisfy the following text recognition part mainly because of two reasons: 1)…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Liang Qiao , Sanli Tang , Zhanzhan Cheng , Yunlu Xu , Yi Niu , Shiliang Pu , Fei Wu

Unifying text detection and text recognition in an end-to-end training fashion has become a new trend for reading text in the wild, as these two tasks are highly relevant and complementary. In this paper, we investigate the problem of scene…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Minghui Liao , Pengyuan Lyu , Minghang He , Cong Yao , Wenhao Wu , Xiang Bai

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

We introduce the structured scene-text spotting task, which requires a scene-text OCR system to spot text in the wild according to a query regular expression. Contrary to generic scene text OCR, structured scene-text spotting seeks to…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Sergi Garcia-Bordils , Dimosthenis Karatzas , Marçal Rusiñol

Image-based sequence recognition has been a long-standing research topic in computer vision. In this paper, we investigate the problem of scene text recognition, which is among the most important and challenging tasks in image-based…

计算机视觉与模式识别 · 计算机科学 2015-07-22 Baoguang Shi , Xiang Bai , Cong Yao

Reading text is one of the essential needs of the visually impaired people. We developed a mobile system that can read Turkish scene and book text, using a fast gradient-based multi-scale text detection algorithm for real-time operation and…

多媒体 · 计算机科学 2016-08-18 Muhammet Bastan , Hilal Kandemir , Busra Canturk

Recent models for cross-modal retrieval have benefited from an increasingly rich understanding of visual scenes, afforded by scene graphs and object interactions to mention a few. This has resulted in an improved matching between the visual…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Andrés Mafla , Rafael Sampaio de Rezende , Lluís Gómez , Diane Larlus , Dimosthenis Karatzas

Visual Text Rendering (VTR) remains a critical challenge in text-to-image generation, where even advanced models frequently produce text with structural anomalies such as distortion, blurriness, and misalignment. However, we find that…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Hanshen Zhu , Yuliang Liu , Xuecheng Wu , An-Lan Wang , Hao Feng , Dingkang Yang , Chao Feng , Can Huang , Jingqun Tang , Xiang Bai

Driven by deep neural networks and large scale datasets, scene text detection methods have progressed substantially over the past years, continuously refreshing the performance records on various standard benchmarks. However, limited by the…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Shangbang Long , Jiaqiang Ruan , Wenjie Zhang , Xin He , Wenhao Wu , Cong Yao

With the rapid development of OCR technology, mixed-scene text recognition has become a key technical challenge. Although deep learning models have achieved significant results in specific scenarios, their generality and stability still…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Da Chang , Yu Li

We present an end-to-end trainable approach for Optical Character Recognition (OCR) on printed documents. Specifically, we propose a model that predicts a) a two-dimensional character grid (\emph{chargrid}) representation of a document…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Christian Reisswig , Anoop R Katti , Marco Spinaci , Johannes Höhne

Improving visual text synthesis has long been a challenging and evolving frontier for image generation models. While recent state-of-the-art (SOTA) models have made remarkable strides in text generation capabilities, existing benchmarks…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Peirong Zhang , Haowei Xu , Jiaxin Zhang , Xuhan Zheng , Guitao Xu , Yuyi Zhang , Junle Liu , Zhenhua Yang , Wei Zhou , Lianwen Jin

Optical character recognition (OCR) and multilingual text understanding remain major failure modes of multimodal large language models (MLLMs), particularly in real-world images containing cluttered layouts, small fonts, blur, occlusion,…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Qinwu Xu , Yifan Jiang , Haoyu Ren

The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

The recent large-scale Contrastive Language-Image Pretraining (CLIP) model has shown great potential in various downstream tasks via leveraging the pretrained vision and language knowledge. Scene text, which contains rich textual and visual…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Wenwen Yu , Yuliang Liu , Wei Hua , Deqiang Jiang , Bo Ren , Xiang Bai

We present TextMonkey, a large multimodal model (LMM) tailored for text-centric tasks. Our approach introduces enhancement across several dimensions: By adopting Shifted Window Attention with zero-initialization, we achieve cross-window…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Yuliang Liu , Biao Yang , Qiang Liu , Zhang Li , Zhiyin Ma , Shuo Zhang , Xiang Bai

Recent studies on machine reading comprehension have focused on text-level understanding but have not yet reached the level of human understanding of the visual layout and content of real-world documents. In this study, we introduce a new…

计算与语言 · 计算机科学 2021-05-11 Ryota Tanaka , Kyosuke Nishida , Sen Yoshida

Standard OCR is a well-researched topic of computer vision and can be considered solved for machine-printed text. However, when applied to unconstrained images, the recognition rates drop drastically. Therefore, the employment of object…

计算机视觉与模式识别 · 计算机科学 2013-04-29 Albert Kavelar , Sebastian Zambanini , Martin Kampel