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This study addresses automatic transliteration from Tajik (Cyrillic script) to Persian (Perso-Arabic script). We present a curated, lexicographically verified parallel corpus of 52,152 Tajik--Persian words and short phrases, compiled from…

Computation and Language · Computer Science 2026-05-12 Mullosharaf K. Arabov

Multimodal scientific reasoning remains a significant challenge for large language models (LLMs), particularly in chemistry, where problem-solving relies on symbolic diagrams, molecular structures, and structured visual data. Here, we…

Computation and Language · Computer Science 2025-12-18 Yiming Cui , Xin Yao , Yuxuan Qin , Xin Li , Shijin Wang , Guoping Hu

Large language models (LLMs) excel in high-resource languages but face notable challenges in low-resource languages like Mongolian. This paper addresses these challenges by categorizing capabilities into language abilities (syntax and…

Computation and Language · Computer Science 2024-11-15 Mengyuan Zhang , Ruihui Wang , Bo Xia , Yuan Sun , Xiaobing Zhao

We present TextMonkey, a large multimodal model (LMM) tailored for text-centric tasks. Our approach introduces enhancement across several dimensions: By adopting Shifted Window Attention with zero-initialization, we achieve cross-window…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Yuliang Liu , Biao Yang , Qiang Liu , Zhang Li , Zhiyin Ma , Shuo Zhang , Xiang Bai

We introduce MonkeyOCR, a document parsing model that advances the state of the art by leveraging a Structure-Recognition-Relation (SRR) triplet paradigm. This design simplifies what would otherwise be a complex multi-tool pipeline and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Zhang Li , Yuliang Liu , Qiang Liu , Zhiyin Ma , Ziyang Zhang , Shuo Zhang , Biao Yang , Zidun Guo , Jiarui Zhang , Xinyu Wang , Xiang Bai

Manga, or Japanese comics, is a richly multimodal narrative form that blends images and text in complex ways. Teaching large multimodal models (LMMs) to understand such narratives at a human-like level could help manga creators reflect on…

Computation and Language · Computer Science 2026-01-27 Jeonghun Baek , Kazuki Egashira , Shota Onohara , Atsuyuki Miyai , Yuki Imajuku , Hikaru Ikuta , Kiyoharu Aizawa

Multimodal LLMs (MLLMs) are capable of performing complex data analysis, visual question answering, generation, and reasoning tasks. However, their ability to analyze biometric data is relatively underexplored. In this work, we investigate…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Ekta Gavas , Sudipta Banerjee , Chinmay Hegde , Nasir Memon

The rapid evolution of Multi-modality Large Language Models (MLLMs) is driving significant advancements in visual understanding and generation. Nevertheless, a comprehensive assessment of their capabilities, concerning the fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Xiaorong Zhu , Ziheng Jia , Jiarui Wang , Xiangyu Zhao , Haodong Duan , Xiongkuo Min , Jia Wang , Zicheng Zhang , Guangtao Zhai

Pashto is absent from Whisper's pre-training corpus despite being one of CommonVoice's largest language collections, leaving off-the-shelf models unusable: all Whisper sizes output Arabic, Dari, or Urdu script on Pashto audio, achieving…

Computation and Language · Computer Science 2026-04-09 Hanif Rahman

While large language models (LLMs) have advanced the field of natural language processing (NLP), their "black box" nature obscures their decision-making processes. To address this, researchers developed structured approaches using higher…

Machine Learning · Computer Science 2025-01-14 Hala Hawashin , Mehrnoosh Sadrzadeh

In this paper, we introduce a model-based omnifont Persian OCR system. The system uses a set of 8 primitive elements as structural features for recognition. First, the scanned document is preprocessed. After normalizing the preprocessed…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Azarakhsh Keipour , Mohammad Eshghi , Sina Mohammadzadeh Ghadikolaei , Negin Mohammadi , Shahab Ensafi

Optical character recognition (OCR) technology has been widely used in various scenes, as shown in Figure 1. Designing a practical OCR system is still a meaningful but challenging task. In previous work, considering the efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Chenxia Li , Weiwei Liu , Ruoyu Guo , Xiaoting Yin , Kaitao Jiang , Yongkun Du , Yuning Du , Lingfeng Zhu , Baohua Lai , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

This research paper delves into the development of an Optical Character Recognition (OCR) system for the recognition of Ashokan Brahmi characters using Convolutional Neural Networks. It utilizes a comprehensive dataset of character images…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yash Agrawal , Srinidhi Balasubramanian , Rahul Meena , Rohail Alam , Himanshu Malviya , Rohini P

This paper is devoted to the adaptation of generative large language models for the Tajik language, a low-resource language with Cyrillic script. To overcome the shortage of digital text resources, the author created and publicly released…

Computation and Language · Computer Science 2026-05-06 Mullosharaf K. Arabov

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

Text recognition is significantly influenced by font types, especially for complex scripts like Khmer. The variety of Khmer fonts, each with its unique character structure, presents challenges for optical character recognition (OCR)…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Vannkinh Nom , Souhail Bakkali , Muhammad Muzzamil Luqman , Mickael Coustaty , Jean-Marc Ogier

This work introduces TajPersLexon, a curated Tajik--Persian parallel lexical resource of 40,112 word and short-phrase pairs for cross-script lexical retrieval, transliteration, and alignment in low-resource settings. We conduct a…

Computation and Language · Computer Science 2026-05-11 Mullosharaf K. Arabov

Out-of-vocabulary (OOV) words can pose serious challenges for machine translation (MT) tasks, and in particular, for low-resource language (LRL) pairs, i.e., language pairs for which few or no parallel corpora exist. Our work adapts…

Computation and Language · Computer Science 2021-04-21 Saurav Jha , Akhilesh Sudhakar , Anil Kumar Singh

Multilingual Large Language Models (LLMs) are increasingly used worldwide, making it essential to ensure they are free from gender bias to prevent representational harm. While prior studies have examined such biases in high-resource…

Computation and Language · Computer Science 2025-09-25 Ghazal Kalhor , Behnam Bahrak

Recent advancements in multimodal large language models (MLLMs) have aimed to integrate and interpret data across diverse modalities. However, the capacity of these models to concurrently process and reason about multiple modalities remains…

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