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On handwriting pressure normalization for interoperability of different acquisition stylus
In this paper, we present a pressure characterization and normalization procedure for online handwritten acquisition. Normalization process has been tested in biometric recognition experiments (identification ...
Handwriting biometrics: applications and future trends in e-security and e-health
(Springer Nature, 2020)
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 ...
Advanced parametrization of graphomotor difficulties in school-aged children
School-aged children spend 31–60% of their time at school performing handwriting, which is a complex perceptual-motor skill composed of a coordinated combination of fine graphomotor movements. As up to ...
Analysis of various fractional order derivatives approaches in assessment of graphomotor difficulties
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, ...
Exploiting spectral and cepstral handwriting features on diagnosing Parkinson’s disease
Parkinson’s disease (PD) is the second most frequent neurodegenerative disease associated with several motor symptoms, including alterations in handwriting, also known as PD dysgraphia. Several computerized ...
Identification and monitoring of Parkinson’s disease dysgraphia based on fractional-order derivatives of online handwriting
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 ...