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In this paper, we face the problem of offline handwritten text recognition (HTR) in historical documents when few labeled samples are available and some of them contain errors in the train set. Three main contributions are developed. First…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 José Carlos Aradillas , Juan José Murillo-Fuentes , Pablo M. Olmos

The phenomenon of Adversarial Examples is attracting increasing interest from the Machine Learning community, due to its significant impact to the security of Machine Learning systems. Adversarial examples are similar (from a perceptual…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Automatic music transcription is considered to be one of the hardest problems in music information retrieval, yet recent deep learning approaches have achieved substantial improvements on transcription performance. These approaches commonly…

Sound · Computer Science 2019-06-21 Jong Wook Kim , Juan Pablo Bello

Understanding how explicit theoretical features are encoded in opaque neural systems is a central challenge now common to neuroscience and AI. We introduce Metric Learning Encoding Models (MLEMs) to address this challenge most directly as a…

Computation and Language · Computer Science 2025-11-17 Louis Jalouzot , Christophe Pallier , Emmanuel Chemla , Yair Lakretz

In This paper we presented new approach for cursive Arabic text recognition system. The objective is to propose methodology analytical offline recognition of handwritten Arabic for rapid implementation. The first part in the writing…

Computer Vision and Pattern Recognition · Computer Science 2013-09-11 Ahlam Maqqor , Akram Halli , Khaled Satori

Just like its remarkable achievements in many computer vision tasks, the convolutional neural networks (CNN) provide an end-to-end solution in handwritten Chinese character recognition (HCCR) with great success. However, the process of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Zhiyuan Li , Min Jin , Qi Wu , Huaxiang Lu

Handwriting recognition has seen significant success with the use of deep learning. However, a persistent shortcoming of neural networks is that they are not well-equipped to deal with shifting data distributions. In the field of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Tobias van der Werff , Maruf A. Dhali , Lambert Schomaker

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

Handwritten Text Recognition (HTR) is more interesting and challenging than printed text due to uneven variations in the handwriting style of the writers, content, and time. HTR becomes more challenging for the Indic languages because of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Ajoy Mondal , C. V. Jawahar

Tumor spatial heterogeneity analysis requires precise correlation between Hematoxylin and Eosin H&E morphology and immunohistochemical (IHC) biomarker expression, yet current methods suffer from spatial misalignment in consecutive sections,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Yizhe Yuan , Bingsen Xue , Bangzheng Pu , Chengxiang Wang , Cheng Jin

Dense object detection is widely used in automatic driving, video surveillance, and other fields. This paper focuses on the challenging task of dense object detection. Currently, detection methods based on greedy algorithms, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Yueming Huang , Chenrui Ma , Hao Zhou , Hao Wu , Guowu Yuan

Adversarial representation learning aims to learn data representations for a target task while removing unwanted sensitive information at the same time. Existing methods learn model parameters iteratively through stochastic gradient…

Machine Learning · Computer Science 2021-09-14 Bashir Sadeghi , Lan Wang , Vishnu Naresh Boddeti

Learning joint embedding space for various modalities is of vital importance for multimodal fusion. Mainstream modality fusion approaches fail to achieve this goal, leaving a modality gap which heavily affects cross-modal fusion. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Sijie Mai , Haifeng Hu , Songlong Xing

This paper proposes a Transformer-based model to generate equations for math word problems. It achieves much better results than RNN models when copy and align mechanisms are not used, and can outperform complex copy and align RNN models.…

Machine Learning · Computer Science 2019-08-30 Yuanliang Meng , Anna Rumshisky

Representations used for Facial Expression Recognition (FER) usually contain expression information along with identity features. In this paper, we propose a novel Disentangled Expression learning-Generative Adversarial Network (DE-GAN)…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Kamran Ali , Charles E. Hughes

We describe a method for classification of handwritten Kannada characters using Hidden Markov Models (HMMs). Kannada script is agglutinative, where simple shapes are concatenated horizontally to form a character. This results in a large…

Machine Learning · Computer Science 2014-10-17 Manasij Venkatesh , Vikas Majjagi , Deepu Vijayasenan

The representation used for Facial Expression Recognition (FER) usually contain expression information along with other variations such as identity and illumination. In this paper, we propose a novel Disentangled Expression…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Kamran Ali , Charles E. Hughes

Verifying the identity of a person using handwritten signatures is challenging in the presence of skilled forgeries, where a forger has access to a person's signature and deliberately attempt to imitate it. In offline (static) signature…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Learning expressive representations for high-dimensional yet sparse features has been a longstanding problem in information retrieval. Though recent deep learning methods can partially solve the problem, they often fail to handle the…

Information Retrieval · Computer Science 2023-05-30 Kaize Ding , Albert Jiongqian Liang , Bryan Perrozi , Ting Chen , Ruoxi Wang , Lichan Hong , Ed H. Chi , Huan Liu , Derek Zhiyuan Cheng

Neural networks have changed the way machines interpret the world. At their core, they learn by following gradients, adjusting their parameters step by step until they identify the most discriminant patterns in the data. This process gives…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Samarup Bhattacharya , Anubhab Bhattacharya , Abir Chakraborty