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Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

Optical Character Recognition (OCR) is the process of extracting digitized text from images of scanned documents. While OCR systems have already matured in many languages, they still have shortcomings in cursive languages with overlapping…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Hussein Osman , Karim Zaghw , Mostafa Hazem , Seifeldin Elsehely

India is a multi-lingual country where Roman script is often used alongside different Indic scripts in a text document. To develop a script specific handwritten Optical Character Recognition (OCR) system, it is therefore necessary to…

Machine Learning · Computer Science 2010-03-25 Ram Sarkar , Nibaran Das , Subhadip Basu , Mahantapas Kundu , Mita Nasipuri , Dipak Kumar Basu

India is home to a multitude of languages of which 22 languages are recognised by the Indian Constitution as official. Building speech based applications for the Indian population is a difficult problem owing to limited data and the number…

Automatic speech recognition (ASR) in Sanskrit is interesting, owing to the various linguistic peculiarities present in the language. The Sanskrit language is lexically productive, undergoes euphonic assimilation of phones at the word…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-26 Devaraja Adiga , Rishabh Kumar , Amrith Krishna , Preethi Jyothi , Ganesh Ramakrishnan , Pawan Goyal

A long-standing challenge in developing machine learning approaches has been the lack of high-quality labeled data. Recently, models trained with purely synthetic data, here termed synthetic clones, generated using large-scale pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Krishnakant Singh , Thanush Navaratnam , Jannik Holmer , Simone Schaub-Meyer , Stefan Roth

Despite significant advances in document understanding, determining the correct orientation of scanned or photographed documents remains a critical pre-processing step in the real world settings. Accurate rotation correction is essential…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Suranjan Goswami , Abhinav Ravi , Raja Kolla , Ali Faraz , Shaharukh Khan , Akash , Chandra Khatri , Shubham Agarwal

Large Language Models (LLMs) perform well on unseen tasks in English, but their abilities in non English languages are less explored due to limited benchmarks and training data. To bridge this gap, we introduce the Indic QA Benchmark, a…

Machine Learning · Computer Science 2025-02-25 Abhishek Kumar Singh , Vishwajeet kumar , Rudra Murthy , Jaydeep Sen , Ashish Mittal , Ganesh Ramakrishnan

In a multilingual country like India where 12 different official scripts are in use, automatic identification of handwritten script facilitates many important applications such as automatic transcription of multilingual documents, searching…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 Pawan Kumar Singh , Iman Chatterjee , Ram Sarkar , Mita Nasipuri

Creation of large-scale databases for Visual Question Answering tasks pertaining to the text data in a scene (text-VQA) involves skilful human annotation, which is tedious and challenging. With the advent of foundation models that handle…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Soham Joshi , Shwet Kamal Mishra , Viswanath Gopalakrishnan

Collecting high-quality training data is essential for fine-tuning Large Language Models (LLMs). However, acquiring such data is often costly and time-consuming, especially for non-English languages such as Italian. Recently, researchers…

Computation and Language · Computer Science 2025-04-01 Fatemeh Mohammadi , Tommaso Romano , Samira Maghool , Paolo Ceravolo

Transformer-based models have revolutionized the field of natural language processing. To understand why they perform so well and to assess their reliability, several studies have focused on questions such as: Which linguistic properties…

Computation and Language · Computer Science 2025-11-04 Akhilesh Aravapalli , Mounika Marreddy , Radhika Mamidi , Manish Gupta , Subba Reddy Oota

Visual designers naturally draw inspiration from multiple visual references, combining diverse elements and aesthetic principles to create artwork. However, current image generative frameworks predominantly rely on single-source inputs --…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Ruoxi Chen , Dongping Chen , Siyuan Wu , Sinan Wang , Shiyun Lang , Petr Sushko , Gaoyang Jiang , Yao Wan , Ranjay Krishna

Document digitization is essential for the digital transformation of our societies, yet a crucial step in the process, Optical Character Recognition (OCR), is still not perfect. Even commercial OCR systems can produce questionable output…

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

With the rapid increase of transnational communication and cooperation, people frequently encounter multilingual scenarios in various situations. In this paper, we are concerned with a relatively new problem: script identification at word…

Computer Vision and Pattern Recognition · Computer Science 2015-05-13 Baoguang Shi , Cong Yao , Chengquan Zhang , Xiaowei Guo , Feiyue Huang , Xiang Bai

With the rapid development of large language models (LLMs), the quality of training data has become crucial. Among the various types of training data, mathematical data plays a key role in enabling LLMs to acquire strong reasoning…

Computation and Language · Computer Science 2025-02-27 Hao Liang , Meiyi Qiang , Yuying Li , Zefeng He , Yongzhen Guo , Zhengzhou Zhu , Wentao Zhang , Bin Cui

The performance of machine learning models for automated invoice processing is critically dependent on large-scale, diverse datasets. However, the acquisition of such datasets is often constrained by privacy regulations and the high cost of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Bevin V , Ananthakrishnan P , Ragesh KR , Sanjay M , Vineeth S , Bibin Wilson

Deepfake audio detection is challenging for low-resource languages like Bengali due to limited datasets and subtle acoustic features. To address this, we introduce BangalFake, a Bengali Deepfake Audio Dataset with 12,260 real and 13,260…

Sound · Computer Science 2025-05-19 Istiaq Ahmed Fahad , Kamruzzaman Asif , Sifat Sikder

Optical Character Recognition (OCR) is an established task with the objective of identifying the text present in an image. While many off-the-shelf OCR models exist, they are often trained for either scientific (e.g., formulae) or generic…

Computation and Language · Computer Science 2024-03-26 Nan Zhang , Connor Heaton , Sean Timothy Okonsky , Prasenjit Mitra , Hilal Ezgi Toraman
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