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Despite significant advances in vision-language models (VLMs), most existing work follows an English-centric design process, limiting their effectiveness in multilingual settings. In this work, we provide a comprehensive empirical study…

DeepSeek-OCR utilizes an optical 2D mapping approach to achieve high-ratio vision-text compression, claiming to decode text tokens exceeding ten times the input visual tokens. While this suggests a promising solution for the LLM…

Computation and Language · Computer Science 2026-01-09 Yunhao Liang , Ruixuan Ying , Bo Li , Hong Li , Kai Yan , Qingwen Li , Min Yang , Okamoto Satoshi , Zhe Cui , Shiwen Ni

Optical Character Recognition (OCR) technology is widely used to extract text from images of documents, facilitating efficient digitization and data retrieval. However, merely extracting text is insufficient when dealing with complex…

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for understanding early modern Eastern Eurasian history, lacks effective OCR systems that can handle real-world historical documents.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

Vision-Language Models (VLMs) have shown strong promise on Optical Character Recognition (OCR), yet the sheer number of visual tokens required to encode dense documents incurs prohibitive inference cost. Existing pruning methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zihan Tang , Leqi Shen , Hui Chen , Ao Wang , Ben Wan , Yan Feng , Ke Zhang , Sicheng Zhao , Tongxuan Liu , Guiguang Ding

Despite the growing adoption of electronic health records, many processes still rely on paper documents, reflecting the heterogeneous real-world conditions in which healthcare is delivered. The manual transcription process is time-consuming…

This paper explores capabilities of Vision Language Models on spreadsheet comprehension. We propose three self-supervised challenges with corresponding evaluation metrics to comprehensively evaluate VLMs on Optical Character Recognition…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Shiyu Xia , Junyu Xiong , Haoyu Dong , Jianbo Zhao , Yuzhang Tian , Mengyu Zhou , Yeye He , Shi Han , Dongmei Zhang

Billions of public domain documents remain trapped in hard copy or lack an accurate digitization. Modern natural language processing methods cannot be used to index, retrieve, and summarize their texts; conduct computational textual…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Tom Bryan , Jacob Carlson , Abhishek Arora , Melissa Dell

Visual information extraction (VIE), which aims to simultaneously perform OCR and information extraction in a unified framework, has drawn increasing attention due to its essential role in various applications like understanding receipts,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Jianfeng Kuang , Wei Hua , Dingkang Liang , Mingkun Yang , Deqiang Jiang , Bo Ren , Xiang Bai

The advent of "OCR 2.0" and large-scale vision-language models (VLMs) has set new benchmarks in text recognition. However, these unified architectures often come with significant computational demands, challenges in precise text…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Cheng Cui , Yubo Zhang , Ting Sun , Xueqing Wang , Hongen Liu , Manhui Lin , Yue Zhang , Tingquan Gao , Changda Zhou , Jiaxuan Liu , Zelun Zhang , Jing Zhang , Jun Zhang , Yi Liu

While document layout analysis for Latin scripts has advanced significantly, driven by the advent of large multimodal models (LMMs), progress for the Khmer language remains constrained because of the scarcity of annotated training data.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Marry Kong , Rina Buoy , Sovisal Chenda , Nguonly Taing , Masakazu Iwamura , Koichi Kise

Thousands of users consult digital archives daily, but the information they can access is unrepresentative of the diversity of documentary history. The sequence-to-sequence architecture typically used for optical character recognition (OCR)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Jacob Carlson , Tom Bryan , Melissa Dell

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Krzysztof Olejniczak , Milan Šulc

Through exploiting a high level of parallelism enabled by graphics processing units, transformer architectures have enabled tremendous strides forward in the field of natural language processing. In a traditional masked language model,…

Computation and Language · Computer Science 2023-03-29 Muhammed Shahir Abdurrahman , Hashem Elezabi , Bruce Changlong Xu

This technical report describes the development of WangchanLion, an instruction fine-tuned model focusing on Machine Reading Comprehension (MRC) in the Thai language. Our model is based on SEA-LION and a collection of instruction following…

Long-context reasoning has significantly empowered large language models (LLMs) to tackle complex tasks, yet it introduces severe efficiency bottlenecks due to the computational complexity. Existing efficient approaches often rely on…

Computation and Language · Computer Science 2026-02-03 Yibo Wang , Yongcheng Jing , Shunyu Liu , Hao Guan , Rong-cheng Tu , Chengyu Wang , Jun Huang , Dacheng Tao

Arabic document OCR remains a challenging task due to the language's cursive script, diverse fonts, diacritics, and right-to-left orientation. While modern Multimodal Large Language Models (MLLMs) have advanced document understanding for…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Khalil Hennara , Muhammad Hreden , Mohamed Motasim Hamed , Ahmad Bastati , Zeina Aldallal , Sara Chrouf , Safwan AlModhayan

Khmer is a low-resource language characterized by a complex script, presenting significant challenges for optical character recognition (OCR). While document printed text recognition has advanced because of available datasets, performance…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Marry Kong , Rina Buoy , Sovisal Chenda , Nguonly Taing , Masakazu Iwamura , Koichi Kise

Visually Rich Document Understanding (VRDU) has become a pivotal area of research, driven by the need to automatically interpret documents that contain intricate visual, textual, and structural elements. Recently, Multimodal Large Language…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Yihao Ding , Siwen Luo , Yue Dai , Yanbei Jiang , Zechuan Li , Qiang Sun , Geoffrey Martin , Wei Liu , Yifan Peng

In this paper, we introduce an open-source Korean-English vision-language model (VLM), VARCO-VISION. We incorporate a step-by-step training strategy that allows a model learn both linguistic and visual information while preserving the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Jeongho Ju , Daeyoung Kim , SunYoung Park , Youngjune Kim