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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.…

Computer Vision and Pattern Recognition · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computation and Language · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computation and Language · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computation and Language · Computer Science 2026-05-06 Zhipeng Xu , Junhao Ji , Zulong Chen , Zhenghao Liu , Qing Liu , Chunyi Peng , Zubao Qin , Ze Xu , Jianqiang Wan , Jun Tang , Zhibo Yang , Shuai Bai , Dayiheng Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Mathias Seuret , Janne van der Loop , Nikolaus Weichselbaumer , Martin Mayr , Janina Molnar , Tatjana Hass , Florian Kordon , Anguelos Nicolau , Vincent Christlein

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…

Computer Vision and Pattern Recognition · Computer Science 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,…

Machine Learning · Computer Science 2024-08-26 Khang T. Doan , Bao G. Huynh , Dung T. Hoang , Thuc D. Pham , Nhat H. Pham , Quan T. M. Nguyen , Bang Q. Vo , Suong N. Hoang

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…

Computation and Language · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computation and Language · Computer Science 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…

Computation and Language · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Khang Nhut Lam , Kim-Ngoc Thi Nguyen , Loc Huu Nguy , Jugal Kalita