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相关论文: Towards Deployable OCR models for Indic languages

200 篇论文

Recently, there has been an increasing interest in end-to-end speech recognition that directly transcribes speech to text without any predefined alignments. One approach is the attention-based encoder-decoder framework that learns a mapping…

计算与语言 · 计算机科学 2017-02-02 Suyoun Kim , Takaaki Hori , Shinji Watanabe

Segmental conditional random fields (SCRFs) and connectionist temporal classification (CTC) are two sequence labeling methods used for end-to-end training of speech recognition models. Both models define a transcription probability by…

计算与语言 · 计算机科学 2017-06-07 Liang Lu , Lingpeng Kong , Chris Dyer , Noah A. Smith

We propose an end-to-end recurrent encoder-decoder based sequence learning approach for printed text Optical Character Recognition (OCR). In contrast to present day existing state-of-art OCR solution which uses connectionist temporal…

计算机视觉与模式识别 · 计算机科学 2015-12-29 Devendra Kumar Sahu , Mohak Sukhwani

Connectionist temporal classification (CTC) based supervised sequence training of recurrent neural networks (RNNs) has shown great success in many machine learning areas including end-to-end speech and handwritten character recognition. For…

机器学习 · 计算机科学 2017-02-03 Kyuyeon Hwang , Wonyong Sung

Word segmentation plays a pivotal role in improving any Arabic NLP application. Therefore, a lot of research has been spent in improving its accuracy. Off-the-shelf tools, however, are: i) complicated to use and ii) domain/dialect…

计算与语言 · 计算机科学 2017-09-05 Hassan Sajjad , Fahim Dalvi , Nadir Durrani , Ahmed Abdelali , Yonatan Belinkov , Stephan Vogel

Scene text recognition has been an important, active research topic in computer vision for years. Previous approaches mainly consider text as 1D signals and cast scene text recognition as a sequence prediction problem, by feat of CTC or…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Zhaoyi Wan , Fengming Xie , Yibo Liu , Xiang Bai , Cong Yao

Script identification and text recognition are some of the major domains in the application of Artificial Intelligence. In this era of digitalization, the use of digital note-taking has become a common practice. Still, conventional methods…

人工智能 · 计算机科学 2023-08-14 Sidhantha Poddar , Rohan Gupta

In this study, we propose advancing all-neural speech recognition by directly incorporating attention modeling within the Connectionist Temporal Classification (CTC) framework. In particular, we derive new context vectors using time…

计算与语言 · 计算机科学 2018-03-16 Amit Das , Jinyu Li , Rui Zhao , Yifan Gong

We present results that show it is possible to build a competitive, greatly simplified, large vocabulary continuous speech recognition system with whole words as acoustic units. We model the output vocabulary of about 100,000 words directly…

计算与语言 · 计算机科学 2016-11-01 Hagen Soltau , Hank Liao , Hasim Sak

OCR algorithms have received a significant improvement in performance recently, mainly due to the increase in the capabilities of artificial intelligence algorithms. However, this advancement is not evenly distributed over all languages.…

计算机视觉与模式识别 · 计算机科学 2020-05-15 Atique Ur Rehman , Sibt Ul Hussain

Connectionist temporal classification (CTC)-based scene text recognition (STR) methods, e.g., SVTR, are widely employed in OCR applications, mainly due to their simple architecture, which only contains a visual model and a CTC-aligned…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Yongkun Du , Zhineng Chen , Hongtao Xie , Caiyan Jia , Yu-Gang Jiang

Online and offline handwritten Chinese text recognition (HTCR) has been studied for decades. Early methods adopted oversegmentation-based strategies but suffered from low speed, insufficient accuracy, and high cost of character segmentation…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Dezhi Peng , Lianwen Jin , Weihong Ma , Canyu Xie , Hesuo Zhang , Shenggao Zhu , Jing Li

Urdu is a cursive script language and has similarities with Arabic and many other South Asian languages. Urdu is difficult to classify due to its complex geometrical and morphological structure. Character classification can be processed…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Sumaiya Fazal , Sheeraz Ahmed

The success of self-attention in NLP has led to recent applications in end-to-end encoder-decoder architectures for speech recognition. Separately, connectionist temporal classification (CTC) has matured as an alignment-free,…

音频与语音处理 · 电气工程与系统科学 2019-07-02 Julian Salazar , Katrin Kirchhoff , Zhiheng Huang

Segmentation of handwritten document images into text lines and words is one of the most significant and challenging tasks in the development of a complete Optical Character Recognition (OCR) system. This paper addresses the automatic…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Pawan Kumar Singh , Shubham Sinha , Sagnik Pal Chowdhury , Ram Sarkar , Mita Nasipuri

We present two solutions to sentence-level SLR. Sentence-level SLR required mapping videos of sign language sentences to sequences of gloss labels. Connectionist Temporal Classification (CTC) has been used as the classifier level of both…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Atra Akandeh

Large Multimodal Models (LMMs) have demonstrated impressive performance in recognizing document images with natural language instructions. However, it remains unclear to what extent capabilities in literacy with rich structure and…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Zhibo Yang , Jun Tang , Zhaohai Li , Pengfei Wang , Jianqiang Wan , Humen Zhong , Xuejing Liu , Mingkun Yang , Peng Wang , Shuai Bai , LianWen Jin , Junyang Lin

We report an extension of a Keras Model, called CTCModel, to perform the Connectionist Temporal Classification (CTC) in a transparent way. Combined with Recurrent Neural Networks, the Connectionist Temporal Classification is the reference…

机器学习 · 计算机科学 2019-01-24 Yann Soullard , Cyprien Ruffino , Thierry Paquet

Culture and language evolve together. The old literary form of Tamil is used commonly for writing and the contemporary colloquial Tamil is used for speaking. Human-computer interaction applications require Colloquial Tamil (CT) to make it…

音频与语音处理 · 电气工程与系统科学 2024-08-27 M. Nanmalar , P. Vijayalakshmi , T. Nagarajan

Tokenizing raw texts into word units is an essential pre-processing step for critical tasks in the NLP pipeline such as tagging, parsing, named entity recognition, and more. For most languages, this tokenization step straightforward.…

计算与语言 · 计算机科学 2022-03-22 Idan Brusilovsky , Reut Tsarfaty