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Inertial measurement unit-based online handwriting recognition enables the recognition of input signals collected across different writing surfaces but remains challenged by uneven character distributions and inter-writer variability. In…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Jindong Li , Dario Zanca , Vincent Christlein , Tim Hamann , Jens Barth , Peter Kämpf , Björn Eskofier

Automatic detection and severity assessment of dysarthria are crucial for delivering targeted therapeutic interventions to patients. While most existing research focuses primarily on speech modality, this study introduces a novel approach…

Artificial Intelligence · Computer Science 2025-04-29 Anuprabha M , Krishna Gurugubelli , V Kesavaraj , Anil Kumar Vuppala

Targeted data selection has emerged as a crucial paradigm for efficient instruction tuning, aiming to identify a small yet influential subset of training examples for a specific target task. In practice, influence is often measured through…

Machine Learning · Computer Science 2026-05-19 Guanghui Min , Tianhao Huang , Ke Wan , Chen Chen

Accurate emotion recognition is pivotal for nuanced and engaging human-computer interactions, yet remains difficult to achieve, especially in dynamic, conversation-like settings. In this study, we showcase how integrating eye-tracking data,…

Human-Computer Interaction · Computer Science 2025-11-03 Meisam Jamshidi Seikavandi , Jostein Fimland , Maria Barrett , Paolo Burelli

Mobile applications are widely used for online services sharing a large amount of personal data online. One-time authentication techniques such as passwords and physiological biometrics (e.g., fingerprint, face, and iris) have their own…

Cryptography and Security · Computer Science 2023-02-07 Hossein Fereidooni , Jan König , Phillip Rieger , Marco Chilese , Bora Gökbakan , Moritz Finke , Alexandra Dmitrienko , Ahmad-Reza Sadeghi

We present an approach for the detection of sharp change points (short-lived and persistent) in nonlinear and nonstationary dynamic systems under high levels of noise by tracking the local phase and amplitude synchronization among the…

Data Analysis, Statistics and Probability · Physics 2020-08-04 Ashif Sikandar Iquebal , Satish Bukkapatnam , Arun Srinivasa

Recently, personalized portrait generation with a text-to-image diffusion model has significantly advanced with Textual Inversion, emerging as a promising approach for creating high-fidelity personalized images. Despite its potential,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Hyun-Jun Jin , Young-Eun Kim , Seong-Whan Lee

Visual instance search involves retrieving from a collection of images the ones that contain an instance of a visual query. Systems designed for visual instance search face the major challenge of scalability: a collection of a few million…

Databases · Computer Science 2019-07-17 Herwig Lejsek , Björn Þór Jónsson , Laurent Amsaleg , Friðrik Heiðar Ásmundsson

We present HeadText, a hands-free technique on a smart earpiece for text entry by motion sensing. Users input text utilizing only 7 head gestures for key selection, word selection, word commitment and word cancelling tasks. Head gesture…

Human-Computer Interaction · Computer Science 2022-05-24 Songlin Xu , Guanjie Wang , Ziyuan Fang , Guangwei Zhang , Guangzhu Shang , Rongde Lu , Liqun He

Protecting the anonymity of authors has become a difficult task given the rise of automated authorship attributors. These attributors are capable of attributing the author of a text amongst a pool of authors with great accuracy. In order to…

Computation and Language · Computer Science 2023-12-08 Nicholas Abegg

Many Information Retrieval (IR) models make use of offline statistical techniques to score documents for ranking over a single period, rather than use an online, dynamic system that is responsive to users over time. In this paper, we…

Information Retrieval · Computer Science 2013-03-22 Marc Sloan , Jun Wang

Recent research found that cloud data warehouses are text-heavy. However, their capabilities for efficiently processing string columns remain limited, relying primarily on techniques like dictionary encoding and prefix-based partition…

Databases · Computer Science 2025-07-15 Mihail Stoian , Johannes Thürauf , Andreas Zimmerer , Alexander van Renen , Andreas Kipf

Feature attribution scores are used for explaining the prediction of a text classifier to users by highlighting a k number of tokens. In this work, we propose a way to determine the number of optimal k tokens that should be displayed from…

Computation and Language · Computer Science 2023-11-06 Jonathan Kamp , Lisa Beinborn , Antske Fokkens

Term weighting schemes are widely used in Natural Language Processing and Information Retrieval. In particular, term weighting is the basis for keyword extraction. However, there are relatively few evaluation studies that shed light about…

Machine Learning · Computer Science 2022-09-12 Asahi Ushio , Federico Liberatore , Jose Camacho-Collados

Previous studies have demonstrated that emotional features from a single acoustic sentiment label can enhance depression diagnosis accuracy. Additionally, according to the Emotion Context-Insensitivity theory and our pilot study,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Rongfeng Su , Changqing Xu , Xinyi Wu , Feng Xu , Xie Chen , Lan Wangt , Nan Yan

Text attribute person search aims to find specific pedestrians through given textual attributes, which is very meaningful in the scene of searching for designated pedestrians through witness descriptions. The key challenge is the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Xin Wang , Fangfang Liu , Zheng Li , Caili Guo

This article presents the Keystroke Verification Challenge - onGoing (KVC-onGoing), on which researchers can easily benchmark their systems in a common platform using large-scale public databases, the Aalto University Keystroke databases,…

Current research on the advantages and trade-offs of using characters, instead of tokenized text, as input for deep learning models, has evolved substantially. New token-free models remove the traditional tokenization step; however, their…

Computation and Language · Computer Science 2023-10-10 Christos Theodoropoulos , Marie-Francine Moens

LiDAR data of urban scenarios poses unique challenges, such as heterogeneous characteristics and inherent class imbalance. Therefore, large-scale datasets are necessary to apply deep learning methods. Instance augmentation has emerged as an…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Laurenz Reichardt , Luca Uhr , Oliver Wasenmüller

Insider threat is one of the most pressing threats in the field of information security as it leads to huge financial losses by the companies. Most of the proposed methods for detecting this threat require expensive and invasive equipment,…

Cryptography and Security · Computer Science 2020-05-07 Azamat Sultanov , Konstantin Kogos