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In this study, we formulate an OCR-free sequence generation model for visual document understanding (VDU). Our model not only parses text from document images but also extracts the spatial coordinates of the text based on the multi-head…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Yamato Okamoto , Youngmin Baek , Geewook Kim , Ryota Nakao , DongHyun Kim , Moon Bin Yim , Seunghyun Park , Bado Lee

Darija, the Moroccan Arabic dialect, is rich in visual content yet lacks specialized Optical Character Recognition (OCR) tools. This paper introduces AtlasOCR, the first open-source Darija OCR model built by fine-tuning a 3B parameter…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Imane Momayiz , Soufiane Ait Elaouad , Abdeljalil Elmajjodi , Haitame Bouanane

Exponential growths of social media and micro-blogging sites not only provide platforms for empowering freedom of expressions and individual voices but also enables people to express anti-social behaviour like online harassment,…

Computation and Language · Computer Science 2020-04-21 Md. Rezaul Karim , Bharathi Raja Chakravarthi , John P. McCrae , Michael Cochez

This paper discusses how to successfully digitize large-scale historical micro-data by augmenting optical character recognition (OCR) engines with pre- and post-processing methods. Although OCR software has improved dramatically in recent…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Sergio Correia , Stephan Luck

Document content analysis has been a crucial research area in computer vision. Despite significant advancements in methods such as OCR, layout detection, and formula recognition, existing open-source solutions struggle to consistently…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Bin Wang , Chao Xu , Xiaomeng Zhao , Linke Ouyang , Fan Wu , Zhiyuan Zhao , Rui Xu , Kaiwen Liu , Yuan Qu , Fukai Shang , Bo Zhang , Liqun Wei , Zhihao Sui , Wei Li , Botian Shi , Yu Qiao , Dahua Lin , Conghui He

Bangla is a low-resource language for code generation, lacking large-scale annotated datasets and tools to transform natural language specifications into executable programs. This makes Bangla-to-code generation a challenging task requiring…

Software Engineering · Computer Science 2025-12-23 Mahir Labib Dihan , Sadif Ahmed , Md Nafiu Rahman

Bengali is the seventh most spoken language on earth, yet considered a low-resource language in the field of natural language processing (NLP). Question answering over unstructured text is a challenging NLP task as it requires understanding…

Manchu, a critically endangered language essential for understanding early modern Eastern Eurasian history, lacks effective OCR systems that can handle real-world historical documents. This study develops high-performing OCR systems by…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Yan Hon Michael Chung , Donghyeok Choi

Although over 300M around the world speak Bangla, scant work has been done in improving Bangla voice-to-text transcription due to Bangla being a low-resource language. However, with the introduction of the Bengali Common Voice 9.0 speech…

Computation and Language · Computer Science 2022-09-27 Mohammed Rakib , Md. Ismail Hossain , Nabeel Mohammed , Fuad Rahman

This research paper introduces a novel word-level Optical Character Recognition (OCR) model specifically designed for digital Urdu text, leveraging transformer-based architectures and attention mechanisms to address the distinct challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Ahmed Mustafa , Muhammad Tahir Rafique , Muhammad Ijlal Baig , Hasan Sajid , Muhammad Jawad Khan , Karam Dad Kallu

Extracting fine-grained OCR text from aged documents in diacritic languages remains challenging due to unexpected artifacts, time-induced degradation, and lack of datasets. While standalone spell correction approaches have been proposed,…

Computation and Language · Computer Science 2025-02-28 Thao Do , Dinh Phu Tran , An Vo , Daeyoung Kim

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

Bengali, despite being one of the most widely spoken languages globally, remains underrepresented in long form speech technology, particularly in systems addressing transcription and speaker attribution. We present frameworks for long form…

Sound · Computer Science 2026-02-25 Ratnajit Dhar , Arpita Mallik

Optical character recognition (OCR) has evolved from line-level transcription to structured document parsing, requiring models to recover long-form sequences containing layout, tables, and formulas. Despite recent advances in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Hejun Dong , Junbo Niu , Bin Wang , Weijun Zeng , Wentao Zhang , Conghui He

We focus here on Deep Research Agents (DRAs), which are systems that can take a natural language prompt from a user, and then autonomously search for, and utilize, internet-based content to address the prompt. Recent DRAs have demonstrated…

Artificial Intelligence · Computer Science 2026-01-09 Doaa Allabadi , Kyle Bradbury , Jordan M. Malof

Extracting the relevant information out of a large number of documents is a challenging and tedious task. The quality of results generated by the traditionally available full-text search engine and text-based image retrieval systems is not…

Information Retrieval · Computer Science 2022-12-05 Riya Gupta , C. V. Jawahar

Semi-structured documents integrate diverse interleaved data elements (e.g., tables, charts, hierarchical paragraphs) arranged in various and often irregular layouts. These documents are widely observed across domains and account for a…

Information Retrieval · Computer Science 2026-04-15 Bangrui Xu , Qihang Yao , Zirui Tang , Xuanhe Zhou , Yeye He , Shihan Yu , Qianqian Xu , Bin Wang , Guoliang Li , Conghui He , Fan Wu

Optical Character Recognition (OCR) is a fundamental task for digitizing information, serving as a critical bridge between visual data and textual understanding. While modern Vision-Language Models (VLM) have achieved high accuracy in this…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Sean Man , Gilad Deutch , Roy Ganz , Roi Ronen , Shahar Tsiper , Shai Mazor , Niv Nayman

Multilingual document understanding remains limited for low-resource languages due to scarce training data and model-based annotation pipelines that perpetuate existing biases. We introduce DocAtlas, a framework that constructs…

Optical Character Recognition (OCR) technology finds applications in digitizing books and unstructured documents, along with applications in other domains such as mobility statistics, law enforcement, traffic, security systems, etc. The…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Aishik Rakshit , Samyak Mehta , Anirban Dasgupta