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Handwritten Mathematical Expression Recognition (HMER) methods have made remarkable progress, with most existing HMER approaches based on either a hybrid CNN/RNN-based with GRU architecture or Transformer architectures. Each of these has…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Kehua Chen , Haoyang Shen , Lifan Zhong , Mingyi Chen

Machine unlearning offers a promising solution to privacy and safety concerns in large language models (LLMs) by selectively removing targeted knowledge while preserving utility. However, current methods are highly sensitive to downstream…

Traditional machine learning models for Handwritten Text Recognition (HTR) rely on supervised training, requiring extensive manual annotations, and often produce errors due to the separation between layout and text processing. In contrast,…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Giorgia Crosilla , Lukas Klic , Giovanni Colavizza

In this paper, we present a methodology for off-line handwritten character recognition. The proposed methodology relies on a new feature extraction technique based on structural characteristics, histograms and profiles. As novelty, we…

计算机视觉与模式识别 · 计算机科学 2018-02-15 José Manuel Casas , Nick Inassaridze , Manuel Ladra , Susana Ladra

Advancements in gesture recognition algorithms have led to a significant growth in sign language translation. By making use of efficient intelligent models, signs can be recognized with precision. The proposed work presents a novel…

信号处理 · 电气工程与系统科学 2020-04-27 Karush Suri , Rinki Gupta

The task of writer verification is to provide a likelihood score for whether the queried and known handwritten image samples belong to the same writer or not. Such a task calls for the neural network to make it's outcome interpretable, i.e.…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Mohammad Abuzar Shaikh , Tiehang Duan , Mihir Chauhan , Sargur Srihari

Machine learning-based wearable human activity recognition (WHAR) models enable the development of various smart and connected community applications such as sleep pattern monitoring, medication reminders, cognitive health assessment,…

信号处理 · 电气工程与系统科学 2023-04-14 Avijoy Chakma , Abu Zaher Md Faridee , Indrajeet Ghosh , Nirmalya Roy

We present a Neural Network based Handwritten Text Recognition (HTR) model architecture that can be trained to recognize full pages of handwritten or printed text without image segmentation. Being based on Image to Sequence architecture, it…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Sumeet S. Singh , Sergey Karayev

As a critical component of Wearable AI, IMU-based Human Activity Recognition (HAR) has attracted increasing attention from both academia and industry in recent years. Although HAR performance has improved considerably in specific scenarios,…

信号处理 · 电气工程与系统科学 2025-08-19 Yize Cai , Baoshen Guo , Flora Salim , Zhiqing Hong

Machine Unlearning (MU) aims to selectively erase the influence of specific data points from pretrained models. However, most existing MU methods rely on the retain set to preserve model utility, which is often impractical due to privacy…

机器学习 · 计算机科学 2026-04-15 Xindi Fan , Jing Wu , Mingyi Zhou , Pengwei Liang , Mehrtash Harandi , Dinh Phung

This paper proposes a real-time approach for long-term inertial navigation based only on an Inertial Measurement Unit (IMU) for self-localizing wheeled robots. The approach builds upon two components: 1) a robust detector that uses…

机器人学 · 计算机科学 2020-03-02 Martin Brossard , Axel Barrau , Silvere Bonnabel

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. In offline (static) signature verification, the dynamic information of the signature writing process is…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Sourya Dipta Das , Himanshu Ladia , Vaibhav Kumar , Shivansh Mishra

We study the problem of watermarking large language models (LLMs) generated text -- one of the most promising approaches for addressing the safety challenges of LLM usage. In this paper, we propose a rigorous theoretical framework to…

计算与语言 · 计算机科学 2023-10-16 Xuandong Zhao , Prabhanjan Ananth , Lei Li , Yu-Xiang Wang

Converting images of Arabic text into plain text is a widely researched topic in academia and industry. However, recognition of Arabic handwritten and printed text presents difficult challenges due to the complex nature of variations of the…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Walid Gomaa , Ahmed Fares

We propose a novel transformer-based styled handwritten text image generation approach, HWT, that strives to learn both style-content entanglement as well as global and local writing style patterns. The proposed HWT captures the long and…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Ankan Kumar Bhunia , Salman Khan , Hisham Cholakkal , Rao Muhammad Anwer , Fahad Shahbaz Khan , Mubarak Shah

One of the challenges of handwriting recognition is to transcribe a large number of vastly different writing styles. State-of-the-art approaches do not explicitly use information about the writer's style, which may be limiting overall…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Jan Kohút , Michal Hradiš , Martin Kišš

Handwritten Text Recognition (HTR) in free-layout pages is a challenging image understanding task that can provide a relevant boost to the digitization of handwritten documents and reuse of their content. The task becomes even more…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Silvia Cascianelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

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…

计算机视觉与模式识别 · 计算机科学 2017-12-13 Jianshu Zhang , Jun Du , Lirong Dai

Offline handwritten text line recognition is a hard task that requires both an efficient optical character recognizer and language model. Handwriting recognition state of the art methods are based on Long Short Term Memory (LSTM) recurrent…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Bruno Stuner , Clément Chatelain , Thierry Paquet

IMUs are gaining significant importance in the field of hand gesture analysis, trajectory detection and kinematic functional study. An Inertial Measurement Unit (IMU) consists of tri-axial accelerometers and gyroscopes which can together be…

信号处理 · 电气工程与系统科学 2020-05-04 Karush Suri , Rinki Gupta