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Scene text recognition (STR) pre-training methods have achieved remarkable progress, primarily relying on synthetic datasets. However, the domain gap between synthetic and real images poses a challenge in acquiring feature representations…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Shuai Zhao , Yongkun Du , Zhineng Chen , Yu-Gang Jiang

We report upon the results of a research and prototype building project \emph{Worldly~OCR} dedicated to developing new, more accurate image-to-text conversion software for several languages and writing systems. These include the cursive…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Marek Rychlik , Dwight Nwaigwe , Yan Han , Dylan Murphy

Cross-modal text-molecule retrieval task bridges molecule structures and natural language descriptions. Existing methods predominantly focus on aligning text modality and molecule modality, yet they overlook adaptively adjusting the…

计算与语言 · 计算机科学 2025-02-18 Hongyan Wu , Peijian Zeng , Weixiong Zheng , Lianxi Wang , Nankai Lin , Shengyi Jiang , Aimin Yang

Image feature matching, a foundational task in computer vision, remains challenging for multimodal image applications, often necessitating intricate training on specific datasets. In this paper, we introduce a Unified Feature Matching…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Yide Di , Yun Liao , Hao Zhou , Kaijun Zhu , Qing Duan , Junhui Liu , Mingyu Lu

Handwritten Mathematical Expression Recognition (HMER) remains a persistent challenge in Optical Character Recognition (OCR) due to the inherent freedom of symbol layouts and variability in handwriting styles. Prior methods have faced…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yu Li , Jin Jiang , Jianhua Zhu , Shuai Peng , Baole Wei , Yuxuan Zhou , Liangcai Gao

State-of-the-art face recognition (FR) models often experience a significant performance drop when dealing with facial images in surveillance scenarios where images are in low quality and often corrupted with noise. Leveraging facial…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Md Mahedi Hasan , Shoaib Meraj Sami , Nasser Nasrabadi

Optical Character Recognition (OCR) systems have been widely used in various applications for extracting semantic information from images. To give the user more control over their privacy, an on-device solution is needed. The current…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Rachit S Munjal , Arun D Prabhu , Nikhil Arora , Sukumar Moharana , Gopi Ramena

With the rise of multimodal large language models, accurately extracting and understanding textual information from video content, referred to as video based optical character recognition (Video OCR), has become a crucial capability. This…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Yulin Fei , Yuhui Gao , Xingyuan Xian , Xiaojin Zhang , Tao Wu , Wei Chen

Document comparison typically relies on optical character recognition (OCR) as its core technology. However, OCR requires the selection of appropriate language models for each document and the performance of multilingual or hybrid models…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Doyoung Park , Naresh Reddy Yarram , Sunjin Kim , Minkyu Kim , Seongho Cho , Taehee Lee

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

Few-shot image classification remains a critical challenge in the field of computer vision, particularly in data-scarce environments. Existing methods typically rely on pre-trained visual-language models, such as CLIP. However, due to the…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xi Yang , Pai Peng , Wulin Xie , Xiaohuan Lu , Jie Wen

Recently fast arbitrary-shaped text detection has become an attractive research topic. However, most existing methods are non-real-time, which may fall short in intelligent systems. Although a few real-time text methods are proposed, the…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Chuang Yang , Mulin Chen , Zhitong Xiong , Yuan Yuan , Qi Wang

Multimodal Large Language Models (MLLMs) have demonstrated exceptional success in various multimodal tasks, yet their deployment is frequently limited by substantial computational demands and prolonged inference times. Given that the vision…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Zihui Zhao , Yingxin Li , Yang Li

Document extraction is a core component of digital workflows, yet existing vision-language models (VLMs) predominantly favor high-resource languages. Thai presents additional challenges due to script complexity from non-latin letters, the…

Irregular scene text recognition has attracted much attention from the research community, mainly due to the complexity of shapes of text in natural scene. However, recent methods either rely on shape-sensitive modules such as bounding box…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Shangbang Long , Yushuo Guan , Kaigui Bian , Cong Yao

In a multilingual or sociolingual configuration Intra-sentential Code Switching (ICS) or Code Mixing (CM) is frequently observed nowadays. In the world, most of the people know more than one language. CM usage is especially apparent in…

计算与语言 · 计算机科学 2020-10-12 Sunil Gundapu , Radhika Mamidi

In this paper, we study the problem of text line recognition. Unlike most approaches targeting specific domains such as scene-text or handwritten documents, we investigate the general problem of developing a universal architecture that can…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Daniel Hernandez Diaz , Siyang Qin , Reeve Ingle , Yasuhisa Fujii , Alessandro Bissacco

Remote sensing text--image retrieval (RSTIR) aims to retrieve the matched remote sensing (RS) images from the database according to the descriptive text. Recently, the rapid development of large visual-language pre-training models provides…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Weihang Zhang , Jihao Li , Shuoke Li , Ziqing Niu , Jialiang Chen , Wenkai Zhang

Image captioning model is a cross-modality knowledge discovery task, which targets at automatically describing an image with an informative and coherent sentence. To generate the captions, the previous encoder-decoder frameworks directly…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Ziwei Wang , Yadan Luo , Zi Huang

Multi-modal retrieval has seen tremendous progress with the development of vision-language models. However, further improving these models require additional labelled data which is a huge manual effort. In this paper, we propose a framework…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Avinash Madasu , Estelle Aflalo , Gabriela Ben Melech Stan , Shachar Rosenman , Shao-Yen Tseng , Gedas Bertasius , Vasudev Lal