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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

Text-rich VQA, namely Visual Question Answering based on text recognition in the images, is a cross-modal task that requires both image comprehension and text recognition. In this work, we focus on investigating the advantages and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Xuejing Liu , Wei Tang , Xinzhe Ni , Jinghui Lu , Rui Zhao , Zechao Li , Fei Tan

With advances in multimodal research and deep learning, Multimodal Large Language Models (MLLMs) have emerged as a powerful paradigm for a wide range of multimodal tasks. As a core problem in vision-language research, Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Quanxing Xu , Ling Zhou , Xian Zhong , Xiaohua Huang , Rubing Huang , Chia-Wen Lin

Understanding and reasoning over text within visual contexts poses a significant challenge for Vision-Language Models (VLMs), given the complexity and diversity of real-world scenarios. To address this challenge, text-rich Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Taebaek Hwang , Minseo Kim , Gisang Lee , Seonuk Kim , Hyunjun Eun

Large language models (LLMs) use pretraining to predict the subsequent word; however, their expansion requires significant computing resources. Numerous big tech companies and research institutes have developed multilingual LLMs (MLLMs) to…

Modern vision-language models (VLMs) can act as generative OCR engines, yet open-ended decoding can expose rare but consequential failures. We identify a core deployment misalignment in generative OCR. Autoregressive decoding favors…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Weile Gong , Yiping Zuo , Zijian Lu , Xin He , Weibei Fan , Lianyong Qi , Shi Jin

Vision-language retrieval-augmented generation (RAG) has become an effective approach for tackling Knowledge-Based Visual Question Answering (KB-VQA), which requires external knowledge beyond the visual content presented in images. The…

Information Retrieval · Computer Science 2025-09-15 Wei Yang , Jingjing Fu , Rui Wang , Jinyu Wang , Lei Song , Jiang Bian

Retrieval-Augmented Generation (RAG) has become a popular technique for enhancing the reliability and utility of Large Language Models (LLMs) by grounding responses in external documents. Traditional RAG systems rely on Optical Character…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Alexander Most , Joseph Winjum , Ayan Biswas , Shawn Jones , Nishath Rajiv Ranasinghe , Dan O'Malley , Manish Bhattarai

Scoring the Optical Character Recognition (OCR) capabilities of Large Multimodal Models (LMMs) has witnessed growing interest. Existing benchmarks have highlighted the impressive performance of LMMs in text recognition; however, their…

We propose the VLR-Bench, a visual question answering (VQA) benchmark for evaluating vision language models (VLMs) based on retrieval augmented generation (RAG). Unlike existing evaluation datasets for external knowledge-based VQA, the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Hyeonseok Lim , Dongjae Shin , Seohyun Song , Inho Won , Minjun Kim , Junghun Yuk , Haneol Jang , KyungTae Lim

Optical Character Recognition (OCR) plays a crucial role in digitizing historical and multilingual documents, yet OCR errors - imperfect extraction of text, including character insertion, deletion, and substitution can significantly impact…

Computation and Language · Computer Science 2025-09-22 Bhawna Piryani , Jamshid Mozafari , Abdelrahman Abdallah , Antoine Doucet , Adam Jatowt

To create culturally inclusive vision-language models (VLMs), developing a benchmark that tests their ability to address culturally relevant questions is essential. Existing approaches typically rely on human annotators, making the process…

Computation and Language · Computer Science 2025-06-02 ChaeHun Park , Yujin Baek , Jaeseok Kim , Yu-Jung Heo , Du-Seong Chang , Jaegul Choo

Recent work has shown that Vision-Language Models (VLMs) used for optical character recognition (OCR) can generate plausible but visually unsupported text, suggesting reliance on language priors. Comparing open-weight VLMs with traditional…

Computation and Language · Computer Science 2026-05-28 Antonia Karamolegkou , Nicolas Angleraud , Benoît Sagot , Thibault Clérice

Vision-Language Models (VLMs) excel in diverse visual tasks but face challenges in document understanding, which requires fine-grained text processing. While typical visual tasks perform well with low-resolution inputs, reading-intensive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Mor Shpigel Nacson , Aviad Aberdam , Roy Ganz , Elad Ben Avraham , Alona Golts , Yair Kittenplon , Shai Mazor , Ron Litman

Large Vision-Language Models (VLMs) have demonstrated significant potential on complex visual understanding tasks through iterative optimization methods.However, these models generally lack effective self-correction mechanisms, making it…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Shimin Wen , Zeyu Zhang , Xingdou Bian , Hongjie Zhu , Lulu He , Layi Shama , Daji Ergu , Ying Cai

Most production-level deployments for Visual Question Answering (VQA) tasks are still build as processing pipelines of independent steps including image pre-processing, object- and text detection, Optical Character Recognition (OCR) and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Bianca Lamm , Janis Keuper

Recent advances in vision-language models (VLMs) have enabled end-to-end document parsing and understanding, achieving strong performance on diverse optical character recognition (OCR) tasks. However, VLMs are prone to generate words that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Qian Chen , Xianyin Zhang , Lifan Guo , Feng Chen , Chi Zhang

Optical character recognition (OCR) and multilingual text understanding remain major failure modes of multimodal large language models (MLLMs), particularly in real-world images containing cluttered layouts, small fonts, blur, occlusion,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Qinwu Xu , Yifan Jiang , Haoyu Ren

The recent emergence of Large Vision-Language Models(VLMs) has resulted in a variety of different benchmarks for evaluating such models. Despite this, we observe that most existing evaluation methods suffer from the fact that they either…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yoonshik Kim , Jaeyoon Jung

The remarkable ability of Large Language Models (LLMs) to understand and follow instructions has sometimes been limited by their in-context learning (ICL) performance in low-resource languages. To address this, we introduce a novel approach…

Computation and Language · Computer Science 2023-12-06 Xiaoqian Li , Ercong Nie , Sheng Liang
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