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93 Result(s)
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Marcos Faundez-Zanuy
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Article
Open AccessCognitive Impairment Detection Based on Frontal Camera Scene While Performing Handwriting Tasks
Diagnosing cognitive impairment is an ongoing field of research especially in the elderly. Assessing the health status of the elderly can be a complex process that requires both subjective and objective measur...
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Article
Open AccessOnline Signature Recognition: A Biologically Inspired Feature Vector Splitting Approach
This research introduces an innovative approach to explore the cognitive and biologically inspired underpinnings of feature vector splitting for analyzing the significance of different attributes in e-security...
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Chapter and Conference Paper
On the Use of First and Second Derivative Approximations for Biometric Online Signature Recognition
This paper investigates the impact of different approximation methods in feature extraction for pattern recognition applications, specifically focused on delta and delta-delta parameters. Using MCYT330 online ...
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Article
Open AccessAnalysis of Gender Differences in Online Handwriting Signals for Enhancing e-Health and e-Security Applications
Handwriting is a complex perceptual–motor skill that is mastered around the age of 8. Although its computerized analysis has been utilized in many biometric and digital health applications, the possible effect...
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Chapter and Conference Paper
On the Analysis of Saturated Pressure to Detect Fatigue
This paper examines the saturation of pressure signals during various handwriting tasks, including drawings, cursive text, capital words text, and signature, under different levels of fatigue. Experimental res...
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Chapter
Analysis of Sensors for Movement Analysis
In this paper, we analyze and compare different movement sensors: micro-chip gesture-ID, leap motion, Noitom Mocap, and specially developed sensor for tapping and foot motion analysis. The main goal is to eval...
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Book
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Chapter and Conference Paper
Assessment of Developmental Dysgraphia Utilising a Display Tablet
Even though the computerised assessment of developmental dysgraphia (DD) based on online handwriting processing has increasing popularity, most of the solutions are based on a setup, where a child writes on a ...
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Chapter and Conference Paper
Correction to: Prodromal Diagnosis of Lewy Body Diseases Based on the Assessment of Graphomotor and Handwriting Difficulties
In an older version of this paper, the acknowledgment was missing. This has now been inserted.
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Chapter and Conference Paper
Handwriting and Drawing for Depression Detection: A Preliminary Study
The events of the past 2 years related to the pandemic have shown that it is increasingly important to find new tools to help mental health experts in diagnosing mood disorders. Leaving aside the long-covid co...
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Chapter and Conference Paper
Prodromal Diagnosis of Lewy Body Diseases Based on the Assessment of Graphomotor and Handwriting Difficulties
To this date, studies focusing on the prodromal diagnosis of Lewy body diseases (LBDs) based on quantitative analysis of graphomotor and handwriting difficulties are missing. In this work, we enrolled 18 subje...
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Chapter and Conference Paper
Exploration of Various Fractional Order Derivatives in Parkinson’s Disease Dysgraphia Analysis
Parkinson’s disease (PD) is a common neurodegenerative disorder with a prevalence rate estimated to \(2.0\%\) for people aged o...
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Article
The Effect of Fatigue on the Performance of Online Writer Recognition
The performance of biometric modalities based on things done by the subject, like signature and text-based recognition, may be affected by the subject’s state. Fatigue is one of the conditions that can significan...
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Article
Online Handwriting, Signature and Touch Dynamics: Tasks and Potential Applications in the Field of Security and Health
Advantageous property of behavioural signals (e.g. handwriting), in contrast to morphological ones (e.g. iris, fingerprint, hand geometry), is the possibility to ask a user to perform many different tasks. Thi...
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Book
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Chapter
Preliminary Experiments on Thermal Emissivity Adjustment for Face Images
In this paper we summarize several applications based on thermal imaging. We emphasize the importance of emissivity adjustment for a proper temperature measurement. A new set of face images acquired at differe...
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Chapter
Preliminary Study on the Behavioral Traits Obtained from Signatures and Writing Using Deep Learning Algorithms
This work describes how a new multimodal data base is constructed to try to solve the link between signature/handwriting and personality. With the help of two devices, one of them responsible to report the mec...
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Chapter
Towards Socially and Emotionally Believable ICT Interfaces
In order to realize an artificial intelligence focused on human needs, it is necessary to identify the interactional characteristics that describe human mood, social behavior, beliefs, and experiences. The cro...
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Article
Open AccessHandwriting Biometrics: Applications and Future Trends in e-Security and e-Health
Online handwritten analysis presents many applications in e-security, signature biometrics being the most popular but not the only one. Handwriting analysis also has an important set of applications in e-healt...
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Chapter
Preliminary Study on Biometric Recognition Based on Drawing Tasks
In this paper, we analyze the possibility to identify people using online handwritten tasks different from the classic ones (signature and text). Our preliminary results reveal that some drawings offer a reaso...
