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Handwritten text recognition (HTR) and machine translation continue to pose significant challenges, particularly for low-resource languages like Marathi, which lack large digitized corpora and exhibit high variability in handwriting styles.…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Shubham Kumar Nigam , Parjanya Aditya Shukla , Noel Shallum , Arnab Bhattacharya

Handwritten Text Recognition (HTR) in free-layout pages is a challenging image understanding task that can provide a relevant boost to the digitization of handwritten documents and reuse of their content. The task becomes even more…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Silvia Cascianelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Multimodal Large Language Models (MLLMs) have shown strong performance in document image tasks, especially Optical Character Recognition (OCR). However, they struggle with Document Image Machine Translation (DIMT), which requires handling…

计算与语言 · 计算机科学 2025-07-14 Yupu Liang , Yaping Zhang , Zhiyang Zhang , Zhiyuan Chen , Yang Zhao , Lu Xiang , Chengqing Zong , Yu Zhou

Current OCR systems are based on deep learning models trained on large amounts of data. Although they have shown some ability to generalize to unseen data, especially in detection tasks, they can struggle with recognizing low-quality data.…

Handwriting recognition technology allows recognizing a written text from a given data. The recognition task can target letters, symbols, or words, and the input data can be a digital image or recorded by various sensors. A wide range of…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Hilda Azimi , Steven Chang , Jonathan Gold , Koray Karabina

For the bachelor project 2021 of Professor Lippert's research group, handwritten entries of historical patient records needed to be digitized using Optical Character Recognition (OCR) methods. Since the data will be used in the future, a…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Martin Preiß

Inspired by recent successes in neural machine translation and image caption generation, we present an attention based encoder decoder model (AED) to recognize Vietnamese Handwritten Text. The model composes of two parts: a DenseNet for…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Anh Duc Le , Hung Tuan Nguyen , Masaki Nakagawa

Unsupervised pre-training on millions of digital-born or scanned documents has shown promising advances in visual document understanding~(VDU). While various vision-language pre-training objectives are studied in existing solutions, the…

计算与语言 · 计算机科学 2022-12-20 Haoli Bai , Zhiguang Liu , Xiaojun Meng , Wentao Li , Shuang Liu , Nian Xie , Rongfu Zheng , Liangwei Wang , Lu Hou , Jiansheng Wei , Xin Jiang , Qun Liu

Handwritten Text Recognition remains challenging due to the limited data, high writing style variance, and scripts with complex diacritics. Existing approaches, though partially address these issues, often struggle to generalize without…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Pham Thach Thanh Truc , Dang Hoai Nam , Huynh Tong Dang Khoa , Vo Nguyen Le Duy

In this paper, we propose a novel model, named Stroke Sequence-dependent Deep Convolutional Neural Network (SSDCNN), using the stroke sequence information and eight-directional features for Online Handwritten Chinese Character Recognition…

计算机视觉与模式识别 · 计算机科学 2016-10-14 Baotian Hu , Xin Liu , Xiangping Wu , Qingcai Chen

Large Multimodal Models (LMMs) have recently shown strong performance on Optical Character Recognition (OCR) tasks, demonstrating their promising capability in document literacy. However, their effectiveness in real-world applications…

In this paper, we investigate the usage of fine-grained font recognition on OCR for books printed from the 15th to the 18th century. We used a newly created dataset for OCR of early printed books for which fonts are labeled with bounding…

In spite of advances in object recognition technology, Handwritten Bangla Character Recognition (HBCR) remains largely unsolved due to the presence of many ambiguous handwritten characters and excessively cursive Bangla handwritings. Even…

计算机视觉与模式识别 · 计算机科学 2018-02-13 Md Zahangir Alom , Peheding Sidike , Mahmudul Hasan , Tark M. Taha , Vijayan K. Asari

In this report, we introduce Vintern-1B, a reliable 1-billion-parameters multimodal large language model (MLLM) for Vietnamese language tasks. By integrating the Qwen2-0.5B-Instruct language model with the InternViT-300M-448px visual model,…

Many important classification problems in the real-world consist of a large number of closely related categories in a hierarchical structure or taxonomy. Hierarchical multi-label text classification (HMTC) with higher accuracy over large…

计算与语言 · 计算机科学 2022-04-19 Pengfei Gao , Jingpeng Zhao , Yinglong Ma , Ahmad Tanvir , Beihong Jin

Image-text retrieval has become a fundamental component in intelligent multimedia systems; however, most existing vision-language models are optimized for highresource languages and remain suboptimal for low-resource settings such as…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Quoc-Khang Tran , Minh-Thien Nguyen , Nguyen-Khang Pham

Information extraction from copy-heavy documents, characterized by massive volumes of structurally similar content, represents a critical yet understudied challenge in enterprise document processing. We present a systematic framework that…

计算与语言 · 计算机科学 2025-10-14 Zilong Wang , Xiaoyu Shen

The success rates of Optical Character Recognition (OCR) systems for printed Malayalam documents is quite impressive with the state of the art accuracy levels in the range of 85-95% for various. However for real applications, further…

计算与语言 · 计算机科学 2012-05-09 Sajilal Divakaran

We introduce Chinese Text in the Wild, a very large dataset of Chinese text in street view images. While optical character recognition (OCR) in document images is well studied and many commercial tools are available, detection and…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Tai-Ling Yuan , Zhe Zhu , Kun Xu , Cheng-Jun Li , Shi-Min Hu

This paper discusses a facial expression recognition model and a description generation model to build descriptive sentences for images and facial expressions of people in images. Our study shows that YOLOv5 achieves better results than a…

计算机视觉与模式识别 · 计算机科学 2022-08-15 Khang Nhut Lam , Kim-Ngoc Thi Nguyen , Loc Huu Nguy , Jugal Kalita