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Related papers: Designing Production-Scale OCR for India: Multilin…

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Scene text recognition in low-resource Indian languages is challenging because of complexities like multiple scripts, fonts, text size, and orientations. In this work, we investigate the power of transfer learning for all the layers of deep…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Sanjana Gunna , Rohit Saluja , C. V. Jawahar

In a world of digitization, optical character recognition holds the automation to written history. Optical character recognition system basically converts printed images into editable texts for better storage and usability. To be completely…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Abu Saleh Md. Abir , Sanjana Rahman , Samia Ellin , Maisha Farzana , Md Hridoy Manik , Chowdhury Rafeed Rahman

Training automatic speech recognition (ASR) systems requires large amounts of well-curated paired data. However, human annotators usually perform "non-verbatim" transcription, which can result in poorly trained models. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-28 Dongji Gao , Hainan Xu , Desh Raj , Leibny Paola Garcia Perera , Daniel Povey , Sanjeev Khudanpur

We present a speaker conditioned text-to-speech (TTS) system aimed at addressing challenges in generating speech for unseen speakers and supporting diverse Indian languages. Our method leverages a diffusion-based TTS architecture, where a…

Existing optical character recognition (OCR) methods rely on task-specific designs with divergent paradigms, architectures, and training strategies, which significantly increases the complexity of research and maintenance and hinders the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Dezhi Peng , Zhenhua Yang , Jiaxin Zhang , Chongyu Liu , Yongxin Shi , Kai Ding , Fengjun Guo , Lianwen Jin

LoRA-based continual learning represents a promising avenue for leveraging pre-trained models in downstream continual learning tasks. Recent studies have shown that orthogonal LoRA tuning effectively mitigates forgetting. However, this work…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Shimou Ling , Liang Zhang , Jiangwei Zhao , Lili Pan , Hongliang Li

The use of OCR in postal services is not yet universal and there are still many countries that process mail sorting manually. Automated Arabic/Indian numeral Optical Character Recognition (OCR) systems for Postal services are being used in…

Computer Vision and Pattern Recognition · Computer Science 2010-05-07 Yasser M. Alginaih , Abdul Ahad Siddiqi

Optical Character Recognition (OCR) has been a topic of interest for many years. It is defined as the process of digitizing a document image into its constituent characters. Despite decades of intense research, developing OCR with…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Noman Islam , Zeeshan Islam , Nazia Noor

Many studies on (Offline) Handwritten Text Recognition (HTR) systems have focused on building state-of-the-art models for line recognition on small corpora. However, adding HTR capability to a large scale multilingual OCR system poses new…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 R. Reeve Ingle , Yasuhisa Fujii , Thomas Deselaers , Jonathan Baccash , Ashok C. Popat

Word error rate of an ocr is often higher than its character error rate. This is especially true when ocrs are designed by recognizing characters. High word accuracies are critical to tasks like the creation of content in digital libraries…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Deepayan Das , Jerin Philip , Minesh Mathew , C. V. Jawahar

The performance of a text-to-speech (TTS) synthesis model depends on various factors, of which the quality of the training data is of utmost importance. Millions of data are collected around the globe for various languages, but resources…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-21 Sujitha Sathiyamoorthy , N Mohana , Anusha Prakash , Hema A Murthy

Automatic evaluation of translation remains a challenging task owing to the orthographic, morphological, syntactic and semantic richness and divergence observed across languages. String-based metrics such as BLEU have previously been…

Computation and Language · Computer Science 2025-09-23 Arafat Ahsan , Vandan Mujadia , Pruthwik Mishra , Yash Bhaskar , Dipti Misra Sharma

We present olmOCR 2, the latest in our family of powerful OCR systems for converting digitized print documents, like PDFs, into clean, naturally ordered plain text. olmOCR 2 is powered by olmOCR-2-7B-1025, a specialized, 7B vision language…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Jake Poznanski , Luca Soldaini , Kyle Lo

Despite rapid progress, most of the educational technologies today lack a strong instructional design knowledge basis leading to questionable quality of instruction. In addition, a major challenge is to customize these educational…

Computers and Society · Computer Science 2018-02-14 Sridhar Chimalakonda , Kesav V. Nori

This paper investigates different pretraining approaches to spoken language identification. The paper is based on our submission to the Oriental Language Recognition 2021 Challenge. We participated in two tracks of the challenge:…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-17 Tanel Alumäe , Kunnar Kukk

Automating high-volume unstructured data processing is essential for operational efficiency. Optical Character Recognition (OCR) is critical but often struggles with accuracy and efficiency in complex layouts and ambiguous text. These…

Robotics · Computer Science 2025-04-29 Osama Abdellatif , Ahmed Ayman , Ali Hamdi

Vision and Language Pretraining has become the prevalent approach for tackling multimodal downstream tasks. The current trend is to move towards ever larger models and pretraining datasets. This computational headlong rush does not seem…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Mustafa Shukor , Guillaume Couairon , Matthieu Cord

This paper presents our methodology and findings from three tasks across Optical Character Recognition (OCR) and Document Layout Analysis using advanced deep learning techniques. First, for the historical Hebrew fragments of the Dead Sea…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Hylke Westerdijk , Ben Blankenborg , Khondoker Ittehadul Islam

We present a novel approach to data preparation for developing multilingual Indic large language model. Our meticulous data acquisition spans open-source and proprietary sources, including Common Crawl, Indic books, news articles, and…

Recent vision-language-action models (VLAs) build upon pretrained vision-language models and leverage diverse robot datasets to demonstrate strong task execution, language following ability, and semantic generalization. Despite these…

Robotics · Computer Science 2025-04-29 Moo Jin Kim , Chelsea Finn , Percy Liang