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Kuzushiji was one of the most popular writing styles in pre-modern Japan and was widely used in both personal letters and official documents. However, due to its highly cursive forms and extensive glyph variations, most modern Japanese…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Rui-Yang Ju , Kohei Yamashita , Hirotaka Kameko , Shinsuke Mori

Quantum Error Correction Codes (QECCs) are pivotal in advancing quantum computing by protecting quantum states against the adverse effects of noise and errors. With a variety of QECCs developed, including new developments and modifications…

Quantum Physics · Physics 2025-01-30 Avimita Chatterjee , Swaroop Ghosh

This study propose a fully automated system for speech correction and accent reduction. Consider the application scenario that a recorded speech audio contains certain errors, e.g., inappropriate words, mispronunciations, that need to be…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-17 Daxin Tan , Liqun Deng , Nianzu Zheng , Yu Ting Yeung , Xin Jiang , Xiao Chen , Tan Lee

The paper announces the new long-term challenge for improving the performance of automatic speech recognition systems. The goal of the challenge is to investigate methods of correcting the recognition results on the basis of previously made…

Computation and Language · Computer Science 2020-01-10 Marek Kubis , Zygmunt Vetulani , Mikołaj Wypych , Tomasz Ziętkiewicz

Accurately finding the wrong words in the automatic speech recognition (ASR) hypothesis and recovering them well-founded is the goal of speech error correction. In this paper, we propose a non-autoregressive speech error correction method.…

Computation and Language · Computer Science 2024-07-19 Yuchun Shu , Bo Hu , Yifeng He , Hao Shi , Longbiao Wang , Jianwu Dang

Multimodal Large Language Models (MLLMs) have seen rapid advances in recent years and are now being applied to visual document understanding tasks. They are expected to process a wide range of document images across languages, including…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Keito Sasagawa , Shuhei Kurita , Daisuke Kawahara

Object Recognition and Document Skew Estimation have come a long way in terms of performance and efficiency. New models follow one of two directions: improving performance using larger models, and improving efficiency using smaller models.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Lucas Wojcik , Luiz Coelho , Roger Granada , David Menotti

Given the lack of word delimiters in written Japanese, word segmentation is generally considered a crucial first step in processing Japanese texts. Typical Japanese segmentation algorithms rely either on a lexicon and syntactic analysis or…

Computation and Language · Computer Science 2007-05-23 Rie Kubota Ando , Lillian Lee

A great deal of historical corpora suffer from errors introduced by the OCR (optical character recognition) methods used in the digitization process. Correcting these errors manually is a time-consuming process and a great part of the…

Computation and Language · Computer Science 2020-07-23 Mika Hämäläinen , Simon Hengchen

Automatic Speech Recognition (ASR) systems are commonly evaluated using aggregate metrics such as Word Error Rate (WER), which do not capture the linguistic structure of errors. Fine-grained analysis, such as Part-of-Speech (PoS)-wise error…

Computation and Language · Computer Science 2026-05-28 Prasenjit K Mudi , Dahlia Devapriya , Sheetal Kalyani

The predominant metric for evaluating speech recognizers, the Word Error Rate (WER) has been extended in different ways to handle transcripts produced by long-form multi-talker speech recognizers. These systems process long transcripts…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-05 Thilo von Neumann , Christoph Boeddeker , Marc Delcroix , Reinhold Haeb-Umbach

The success rates of Optical Character Recognition (OCR) systems for printed Malayalam documents is quite impressive with the state of the art accuracy levels in the range of 85-95% for various. However for real applications, further…

Computation and Language · Computer Science 2012-05-09 Sajilal Divakaran

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

Testing robots requires assessing whether they perform their intended tasks correctly, dependably, and with high quality, a challenge known as the test oracle problem in software testing. Traditionally, this assessment relies on…

Software Engineering · Computer Science 2026-05-19 Prasun Saurabh , Pablo Valle , Aitor Arrieta , Shaukat Ali , Paolo Arcaini

Recognizer Output Voting Error Reduction (ROVER) has been widely used for system combination in automatic speech recognition (ASR). In order to select the most appropriate words to insert at each position in the output transcriptions, some…

Computation and Language · Computer Science 2017-06-23 Shahab Jalalvand , Matteo Negri , Daniele Falavigna , Marco Matassoni , Marco Turchi

End-to-end (E2E) Automatic Speech Recognition (ASR) models are trained using paired audio-text samples that are expensive to obtain, since high-quality ground-truth data requires human annotators. Voice search applications, such as digital…

Computation and Language · Computer Science 2025-06-09 Christophe Van Gysel , Maggie Wu , Lyan Verwimp , Caglar Tirkaz , Marco Bertola , Zhihong Lei , Youssef Oualil

Chinese Grammatical Error Correction (CGEC) aims to generate a correct sentence from an erroneous sequence, where different kinds of errors are mixed. This paper divides the CGEC task into two steps, namely spelling error correction and…

Computation and Language · Computer Science 2022-11-04 Xiuyu Wu , Yunfang Wu

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

Memory-based video object segmentation methods model multiple objects over long temporal-spatial spans by establishing memory bank, which achieve the remarkable performance. However, they struggle to overcome the false matching and are…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jintu Zheng , Yun Liang , Yuqing Zhang , Wanchao Su

We describe a novel line-level script identification method. Previous work repurposed an OCR model generating per-character script codes, counted to obtain line-level script identification. This has two shortcomings. First, as a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Yasuhisa Fujii , Karel Driesen , Jonathan Baccash , Ash Hurst , Ashok C. Popat