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In this paper, we propose a novel stroke constrained attention network (SCAN) which treats stroke as the basic unit for encoder-decoder based online handwritten mathematical expression recognition (HMER). Unlike previous methods which use…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Jiaming Wang , Jun Du , Jianshu Zhang

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

Trajectory Representation Learning (TRL) is a powerful tool for spatial-temporal data analysis and management. TRL aims to convert complicated raw trajectories into low-dimensional representation vectors, which can be applied to various…

Machine Learning · Computer Science 2024-03-08 Jiawei Jiang , Dayan Pan , Houxing Ren , Xiaohan Jiang , Chao Li , Jingyuan Wang

Despite the ubiquity of mobile and wearable text messaging applications, the problem of keyboard text decoding is not tackled sufficiently in the light of the enormous success of the deep learning Recurrent Neural Network (RNN) and…

Computation and Language · Computer Science 2017-09-20 Shaona Ghosh , Per Ola Kristensson

Understanding what linguistic components (e.g., phonological, semantic, and orthographic systems) modulate Chinese handwriting at the character, radical, and stroke levels remains an important yet understudied topic. Additionally, there is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zebo Xu , Shaoyun Yu , Mark Torrance , Guido Nottbusch , Nan Zhao , Zhenguang Cai

We propose TRACE, a structure-aware framework leveraging diffusion models for localized character encoding to embed data. Unlike existing methods that rely on edge features or pre-defined codebooks, TRACE exploits character structures that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Jiale Meng , Jie Zhang , Runyi Hu , Zhe-Ming Lu , Tianwei Zhang , Yiming Li

In this paper, we introduce a novel technique to recover the pen trajectory of offline characters which is a crucial step for handwritten character recognition. Generally, online acquisition approach has more advantage than its offline…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Ayan Kumar Bhunia , Abir Bhowmick , Ankan Kumar Bhunia , Aishik Konwer , Prithaj Banerjee , Partha Pratim Roy , Umapada Pal

It is intuitive that NLP tasks for logographic languages like Chinese should benefit from the use of the glyph information in those languages. However, due to the lack of rich pictographic evidence in glyphs and the weak generalization…

Computation and Language · Computer Science 2020-05-22 Yuxian Meng , Wei Wu , Fei Wang , Xiaoya Li , Ping Nie , Fan Yin , Muyu Li , Qinghong Han , Xiaofei Sun , Jiwei Li

In this paper, we develop a low than character feature embedding called radical embedding, and apply it on LSTM model for sentence segmentation of pre modern Chinese texts. The datasets includes over 150 classical Chinese books from 3…

Computation and Language · Computer Science 2020-02-20 Xu Han , Hongsu Wang , Sanqian Zhang , Qunchao Fu , Jun S. Liu

Chinese named entity recognition (CNER) is an important task in Chinese natural language processing field. However, CNER is very challenging since Chinese entity names are highly context-dependent. In addition, Chinese texts lack delimiters…

Computation and Language · Computer Science 2019-05-07 Fangzhao Wu , Junxin Liu , Chuhan Wu , Yongfeng Huang , Xing Xie

Scene text recognition (STR) is the task of recognizing character sequences in natural scenes. While there have been great advances in STR methods, current methods still fail to recognize texts in arbitrary shapes, such as heavily curved or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Junyeop Lee , Sungrae Park , Jeonghun Baek , Seong Joon Oh , Seonghyeon Kim , Hwalsuk Lee

Recently, the hybrid convolutional neural network hidden Markov model (CNN-HMM) has been introduced for offline handwritten Chinese text recognition (HCTR) and has achieved state-of-the-art performance. However, modeling each of the large…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Zi-Rui Wang , Jun Du , Jia-Ming Wang

We take the generation of Chinese classical poem lines as a sequence-to-sequence learning problem, and build a novel system based on the RNN Encoder-Decoder structure to generate quatrains (Jueju in Chinese), with a topic word as input. Our…

Computation and Language · Computer Science 2016-04-07 Xiaoyuan Yi , Ruoyu Li , Maosong Sun

Recurrent neural network(RNN) has been broadly applied to natural language processing(NLP) problems. This kind of neural network is designed for modeling sequential data and has been testified to be quite efficient in sequential tagging…

Machine Learning · Computer Science 2016-02-22 Yushi Yao , Zheng Huang

Optical Character Recognition software (OCR) are important tools for obtaining accessible texts. We propose the use of artificial neural networks (ANN) in order to develop pattern recognition algorithms capable of recognizing both normal…

Neural and Evolutionary Computing · Computer Science 2016-07-08 Giuseppe Airò Farulla , Tiziana Armano , Anna Capietto , Nadir Murru , Rosaria Rossini

Oracle Bone Inscriptions is one of the oldest existing forms of writing in the world. However, due to the great antiquity of the era, a large number of Oracle Bone Inscriptions (OBI) remain undeciphered, making it one of the global…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Pengjie Wang , Kaile Zhang , Xinyu Wang , Shengwei Han , Yongge Liu , Lianwen Jin , Xiang Bai , Yuliang Liu

Traditional approaches for handwritten Chinese character recognition suffer in classifying similar characters. In this paper, we propose to discriminate similar handwritten Chinese characters by using weakly supervised learning. Our…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Zhibo Yang , Huanle Xu , Keda Fu , Yong Xia

In this work, we propose a novel framework named Coconditional Autoencoding Adversarial Networks (CocoAAN) for Chinese font learning, which jointly learns a generation network and two encoding networks of different feature domains using an…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Zhizhan Zheng , Feiyun Zhang

Recently, handwritten Chinese character error correction has been greatly improved by employing encoder-decoder methods to decompose a Chinese character into an ideographic description sequence (IDS). However, existing methods implicitly…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Pengfei Hu , Jiefeng Ma , Zhenrong Zhang , Jun Du , Jianshu Zhang

We systematically investigate geometric patterns in Chinese character embeddings using PHATE manifold analysis. Through cross-validation across seven embedding models and eight dimensionality reduction methods, we observe clustering…

Computation and Language · Computer Science 2025-10-03 Wen G. Gong