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Related papers: Complex Handwriting Trajectory Recovery: Evaluatio…

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The order in which the trajectory is executed is a powerful source of information for recognizers. However, there is still no general approach for recovering the trajectory of complex and long handwriting from static images. Complex…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Moises Diaz , Gioele Crispo , Antonio Parziale , Angelo Marcelli , Miguel A. Ferrer

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

In general, it is straightforward to render an offline handwriting image from an online handwriting pattern. However, it is challenging to reconstruct an online handwriting pattern given an offline handwriting image, especially for…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Hung Tuan Nguyen , Tsubasa Nakamura , Cuong Tuan Nguyen , Masaki Nakagawa

Stroke order and velocity are helpful features in the fields of signature verification, handwriting recognition, and handwriting synthesis. Recovering these features from offline handwritten text is a challenging and well-studied problem.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Taylor Archibald , Mason Poggemann , Aaron Chan , Tony Martinez

In this study, we present a novel end-to-end approach based on the encoder-decoder framework with the attention mechanism for online handwritten mathematical expression recognition (OHMER). First, the input two-dimensional ink trajectory…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Jianshu Zhang , Jun Du , Lirong Dai

Recently, great progress has been made for online handwritten Chinese character recognition due to the emergence of deep learning techniques. However, previous research mostly treated each Chinese character as one class without explicitly…

Computer Vision and Pattern Recognition · Computer Science 2018-01-31 Jianshu Zhang , Yixing Zhu , Jun Du , Lirong Dai

The use of artificial intelligence technology in education is growing rapidly, with increasing attention being paid to handwritten mathematical expression recognition (HMER) by researchers. However, many existing methods for HMER may fail…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Ziqi Ye

The Handwritten Text Recognition problem has been a challenge for researchers for the last few decades, especially in the domain of computer vision, a subdomain of pattern recognition. Variability of texts amongst writers, cursiveness, and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Lalita Kumari , Sukhdeep Singh , Vaibhav Varish Singh Rathore , Anuj Sharma

The segmentation-free research efforts for addressing handwritten text recognition can be divided into three categories: connectionist temporal classification (CTC), hidden Markov model and encoder-decoder methods. In this paper, inspired…

Artificial Intelligence · Computer Science 2025-08-05 Zi-Rui Wang

This work proposes an attention-based sequence-to-sequence model for handwritten word recognition and explores transfer learning for data-efficient training of HTR systems. To overcome training data scarcity, this work leverages models…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Dmitrijs Kass , Ekta Vats

We present a new handwritten text segmentation method by training a convolutional neural network (CNN) in an end-to-end manner. Many conventional methods addressed this problem by extracting connected components and then classifying them.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-13 Junho Jo , Hyung Il Koo , Jae Woong Soh , Nam Ik Cho

Video understanding has been considered as one critical step towards world modeling, which is an important long-term problem in AI research. Recently, multimodal foundation models have shown such potential via large-scale pretraining. These…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Boyu Chen , Siran Chen , Kunchang Li , Qinglin Xu , Yu Qiao , Yali Wang

Offline handwritten mathematical expression recognition is a challenging task, because handwritten mathematical expressions mainly have two problems in the process of recognition. On one hand, it is how to correctly recognize different…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Guangcun Shan , Hongyu Wang , Wei Liang

Stroke is a leading cause of neurological injury characterized by impairments in multiple neurological domains including cognition, language, sensory and motor functions. Clinical recovery in these domains is tracked using a wide range of…

Quantitative Methods · Quantitative Biology 2021-10-01 Sanjukta Krishnagopal , Keith Lohse , Robynne Braun

Recovering intermediate missing GPS points in a sparse trajectory, while adhering to the constraints of the road network, could offer deep insights into users' moving behaviors in intelligent transportation systems. Although recent studies…

Machine Learning · Computer Science 2024-05-01 Tonglong Wei , Youfang Lin , Yan Lin , Shengnan Guo , Lan Zhang , Huaiyu Wan

Most pedestrian trajectory prediction methods rely on a huge amount of trajectories annotation, which is time-consuming and expensive. Moreover, a well-trained model may not effectively generalize to a new scenario captured by another…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Pingxuan Huang , Zhenhua Cui , Jing Li , Shenghua Gao , bo Hu , Yanyan Fang

Automatic and accurate lesion segmentation is critical for clinically estimating the lesion statuses of stroke diseases and developing appropriate diagnostic systems. Although existing methods have achieved remarkable results, further…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Xiuquan Du , Kunpeng Ma , Yuhui Song

The trajectory on the road traffic is commonly collected at a low sampling rate, and trajectory recovery aims to recover a complete and continuous trajectory from the sparse and discrete inputs. Recently, sequential language models have…

Machine Learning · Computer Science 2023-11-07 Dedong Li , Ziyue Li , Zhishuai Li , Lei Bai , Qingyuan Gong , Lijun Sun , Wolfgang Ketter , Rui Zhao

In this study, we have presented an efficient procedure using two state-of-the-art approaches from the literature of handwritten text recognition as Vertical Attention Network and Word Beam Search. The attention module is responsible for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Lalita Kumari , Sukhdeep Singh , Vaibhav Varish Singh Rathore , Anuj Sharma

This paper proposes an end-to-end framework, namely fully convolutional recurrent network (FCRN) for handwritten Chinese text recognition (HCTR). Unlike traditional methods that rely heavily on segmentation, our FCRN is trained with online…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Zecheng Xie , Zenghui Sun , Lianwen Jin , Ziyong Feng , Shuye Zhang
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