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Substantial amounts of work are required to clean large collections of digitized books for NLP analysis, both because of the presence of errors in the scanned text and the presence of duplicate volumes in the corpora. In this paper, we…

Computation and Language · Computer Science 2021-10-25 Allen Kim , Charuta Pethe , Naoya Inoue , Steve Skiena

Significant progress has been made in the field of handwritten mathematical expression recognition, while existing encoder-decoder methods are usually difficult to model global information in $LaTeX$. Therefore, this paper introduces a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Jianhua Zhu , Liangcai Gao , Wenqi Zhao

Recently, significant advancements have been made in diffusion-based visual text generation models. Although the effectiveness of these methods in visual text rendering is rapidly improving, they still encounter challenges such as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Lichen Ma , Tiezhu Yue , Pei Fu , Yujie Zhong , Kai Zhou , Xiaoming Wei , Jie Hu

Controllable character image animation has a wide range of applications. Although existing studies have consistently improved performance, challenges persist in the field of character image animation, particularly concerning stability in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Jingyun Xue , Hongfa Wang , Qi Tian , Yue Ma , Andong Wang , Zhiyuan Zhao , Shaobo Min , Wenzhe Zhao , Kaihao Zhang , Heung-Yeung Shum , Wei Liu , Mengyang Liu , Wenhan Luo

I propose a state of the art deep neural architectural solution for handwritten character recognition for Bengali alphabets, compound characters as well as numerical digits that achieves state-of-the-art accuracy 96.8% in just 11 epochs.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Akash Roy

Text line segmentation is one of the pre-stages of modern optical character recognition systems. The algorithmic approach proposed by this paper has been designed for this exact purpose. Its main characteristic is the combination of two…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Pit Schneider

Handwritten character recognition is a hot topic for research nowadays. If we can convert a handwritten piece of paper into a text-searchable document using the Optical Character Recognition (OCR) technique, we can easily understand the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Md Tanvir Rouf Shawon , Raihan Tanvir , Md. Golam Rabiul Alam

Optical character recognition (OCR) has advanced rapidly with deep learning and multimodal models, yet most methods focus on well-resourced scripts such as Latin and Chinese. Ethnic minority languages remain underexplored due to complex…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Bonan Liu , Zeyu Zhang , Bingbing Meng , Han Wang , Hanshuo Zhang , Chengping Wang , Daji Ergu , Ying Cai

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…

Computer Vision and Pattern Recognition · Computer Science 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

Neural networks have become the technique of choice for OCR, but many aspects of how and why they deliver superior performance are still unknown. One key difference between current neural network techniques using LSTMs and the previous…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Ekraam Sabir , Stephen Rawls , Prem Natarajan

We present DeepSeek-OCR as an initial investigation into the feasibility of compressing long contexts via optical 2D mapping. DeepSeek-OCR consists of two components: DeepEncoder and DeepSeek3B-MoE-A570M as the decoder. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Haoran Wei , Yaofeng Sun , Yukun Li

Convolutional Recurrent Neural Networks (CRNNs) excel at scene text recognition. Unfortunately, they are likely to suffer from vanishing/exploding gradient problems when processing long text images, which are commonly found in scanned…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Duc Nguyen , Nhan Tran , Hung Le

Recent deep learning based approaches have achieved great success on handwriting recognition. Chinese characters are among the most widely adopted writing systems in the world. Previous research has mainly focused on recognizing handwritten…

Computer Vision and Pattern Recognition · Computer Science 2016-06-22 Xu-Yao Zhang , Fei Yin , Yan-Ming Zhang , Cheng-Lin Liu , Yoshua Bengio

Ancient Chinese character recognition is a core capability for cultural heritage digitization, yet real-world workflows are inherently non-stationary: newly excavated materials are continuously onboarded, bringing new classes in different…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yuchuan Wu , Yinglian Zhu , Haiyang Yu , Ke Niu , Bin Li , Xiangyang Xue

Precise character segmentation is the only solution towards higher Optical Character Recognition (OCR) accuracy. In cursive script, overlapped characters are serious issue in the process of character segmentations as characters are deprived…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Amjad Rehman

The project comes with the technique of OCR (Optical Character Recognition) which includes various research sides of computer science. The project is to take a picture of a character and process it up to recognize the image of that…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Arkaprabha Basu , M. Sathya

Intensive research has been done on optical character recognition ocr and a large number of articles have been published on this topic during the last few decades. Many commercial OCR systems are now available in the market, but most of…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 K. Indira , S. Sethu Selvi

Blind text image super-resolution (SR) is challenging as one needs to cope with diverse font styles and unknown degradation. To address the problem, existing methods perform character recognition in parallel to regularize the SR task,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Xiaoming Li , Wangmeng Zuo , Chen Change Loy

Despite the recent success of text detection and recognition methods, existing evaluation metrics fail to provide a fair and reliable comparison among those methods. In addition, there exists no end-to-end evaluation metric that takes…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Youngmin Baek , Daehyun Nam , Sungrae Park , Junyeop Lee , Seung Shin , Jeonghun Baek , Chae Young Lee , Hwalsuk Lee

Optical character recognition (OCR) systems performance have improved significantly in the deep learning era. This is especially true for handwritten text recognition (HTR), where each author has a unique style, unlike printed text, where…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Sharon Fogel , Hadar Averbuch-Elor , Sarel Cohen , Shai Mazor , Roee Litman