Articles: Enviaments recents
Ara mostrant els elements 1-20 de 28
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Online handwriting, signature and touch dynamics: tasks and potential applications in the field of security and health
(Cognitive Computation. 2021 Oct 1;13:1406-1421, 2021-10-01)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 ... -
The effect of fatigue on the performance of online writer recognition
(Cognitive Computation. 2021 Oct 3;13:1374-1388, 2021-10-03)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 ... -
Graphomotor and Handwriting Disabilities Rating Scale (GHDRS): towards complex and objective assessment
(Australian Journal of Learning Difficulties. 2024 Mar;29(1):2024, 2024-03)Graphomotor and handwriting disabilities (GD and HD, respectively) could significantly reduce children’s quality of life. Effective remediation depends on proper diagnosis; however, current approaches ... -
Computerized assessment of handwriting in de novo Parkinson’s disease: a kinematic study
(Parkinsonism & Related Disorders. 2024 Sep;126:107072, 2024-09)Introduction: Dysgraphia, a recognized PD motor symptom, lacks effective clinical assessment. Current evaluation relies on motor assessment scales. Computational methods introduced over the past decade ... -
Effects of acute beetroot juice intake on performance, maximal oxygen uptake, and ventilatory efficiency in well-trained master rowers: a randomized, double-blinded crossover study
(Journal of the International Society of Sports Nutrition. 2024;21(1):2373170, 2024)Background: Beetroot juice (BRJ) intake has been considereda practical nutritional strategy among well-trained athletes. Thisstudy aimed to assess the effects of BRJ intake on performance,cardiorespiratory ... -
Cognitive impairment detection based on frontal camera scene while performing handwriting tasks
(Cognitive Computation. 2024;16:1004-1021, 2024)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 ... -
Online signature recognition: a biologically inspired feature vector splitting approach
(Cognitive Computation. 2024;16:265-277, 2024)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 ... -
Discriminative power of handwriting and drawing features in depression
(International Journal of Neural Systems. 2024;34(2):2350069, 2024)This study contributes knowledge on the detection of depression through handwriting/drawing features, to identify quantitative and noninvasive indicators of the disorder for implementing algorithms for ... -
Analysis of gender differences in online handwriting signals for enhancing e-health and e-security applications
(Cognitive Computations. 2023;15:208-219, 2023)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 ... -
Electric vehicle powertrains with modular battery banks tied to multilevel NPC inverters
(Electronics. 2023;12(2):266, 2023)Nowadays, the internal combustion engine in vehicles is being replaced by electric motors, giving way to the electric vehicle, which results in reduced environmental impact, higher efficiency and lower ... -
Active thermal control in neutral-point-clamped multilevel converters based on switching-cell arrays
(Electronics. 2023;12(19):4055, 2023)Neutral-point-clamped multilevel converters are a suitable solution to the implementation of low–medium voltage and power applications at present, thanks to their intrinsic superior voltage and current ... -
Fast reliability assessment of neutral-point-clamped topologies through Markov models
(IEEE Transactions on Power Electronics. 2021;36(12), 2021-06-08)This article presents detailed Markov models for the reliability assessment of multilevel neutral-point-clamped (NPC) converter leg topologies, incorporating their inherent fault-tolerance under ... -
Exploración de patrones de interacción para su uso en la web semántica
(Profesional de la Información. 2015 Dic 1;24(6):749-758, 2015-12-01)En los últimos años se han publicado múltiples propuestas de conjuntos de patrones de interacción aplicables al diseño y al desarrollo de interfaces web. Paralelamente, la web semántica (WS) mejora los ... -
Selection of entropy based features for automatic analysis of essential tremor
(Entropy. 2016;18(5):184, 2016)Biomedical systems produce biosignals that arise from interaction mechanisms. In a general form, those mechanisms occur across multiple scales, both spatial and temporal, and contain linear and non-linear ... -
A comparative study of in-air trajectories at short and long distances in online handwriting
(Cognitive Computation. 2017;9:712–720, 2017)Existing literature about online handwriting analysis to support pathology diagnosis has taken advantage of in-air trajectories. A similar situation occurred in biometric security applications where the ... -
Automatic analysis of Archimedes’ spiral for characterization of genetic essential tremor based on Shannon’s entropy and fractal dimension
(Entropy. 2018;20(7):531, 2018-07-16)Among neural disorders related to movement, essential tremor has the highest prevalence; in fact, it is twenty times more common than Parkinson’s disease. The drawing of the Archimedes’ spiral is the ... -
Quantitative analysis of relationship between hypokinetic dysarthria and the freezing of gait in Parkinson’s disease
(Cognitive Computation. 2018;10(6):1006-1018, 2018)Hypokinetic dysarthria (HD) and freezing of gait (FOG) are both axial symptoms that occur in patients with Parkinson’s disease (PD). It is assumed they have some common pathophysiological mechanisms and ... -
Changes in phonation and their relations with progress of Parkinson’s disease
(Applied Sciences. 2018;8(12):2339, 2018-11-22)Hypokinetic dysarthria, which is associated with Parkinson’s disease (PD), affects several speech dimensions, including phonation. Although the scientific community has dealt with a quantitative analysis ... -
Identification and monitoring of Parkinson’s disease dysgraphia based on fractional-order derivatives of online handwriting
(Applied Sciences. 2018;8(12):2566, 2018-12-11)Parkinson’s disease dysgraphia affects the majority of Parkinson’s disease (PD) patients and is the result of handwriting abnormalities mainly caused by motor dysfunctions. Several effective approaches ... -
Analysis of various fractional order derivatives approaches in assessment of graphomotor difficulties
(IEEE Access. 2020 Dec 4; 8:218234-218244, 2020-12-04)Graphomotor disabilities (GD) are present in up to 30% of school-aged children and are associated with several symptoms in the field of kinematics. Although the basic kinematic features such as velocity, ...