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Background and objectives: Dynamic handwriting analysis, due to its non-invasive and readily accessible nature, has recently emerged as a vital adjunctive method for the early diagnosis of Parkinson's disease. In this study, we design a…

Parkinson's disease (PD) is a progressive neurological disorder that impairs movement control, leading to symptoms such as tremors, stiffness, and bradykinesia. Many researchers analyzing handwriting data for PD detection typically rely on…

信号处理 · 电气工程与系统科学 2024-12-25 Jungpil Shin , Abu Saleh Musa Miah , Koki Hirooka , Md. Al Mehedi Hasan , Md. Maniruzzaman

Parkinson's disease (PD) is commonly characterized by several motor symptoms, such as bradykinesia, akinesia, rigidity, and tremor. The analysis of patients' fine motor control, particularly handwriting, is a powerful tool to support PD…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Moises Diaz , Momina Moetesum , Imran Siddiqi , Gennaro Vessio

Parkinson's disease (PD) is a progressive neurodegenerative condition characterized by the death of dopaminergic neurons, leading to various movement disorder symptoms. Early diagnosis of PD is crucial to prevent adverse effects, yet…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Nabil Daiyan , Md Rakibul Haque

Objective: We present the PaHaW Parkinson's disease handwriting database, consisting of handwriting samples from Parkinson's disease (PD) patients and healthy controls. Our goal is to show that kinematic features and pressure features in…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Peter Drotár , Jiří Mekyska , Irena Rektorová , Lucia Masarová , Zdeněk Smékal , Marcos Faundez-Zanuy

In this paper, we evaluate the contribution of different handwriting modalities to the diagnosis of Parkinson's disease. We analyse on-surface movement, in-air movement and pressure exerted on the tablet surface. Especially in-air movement…

信号处理 · 电气工程与系统科学 2022-03-23 Peter Drotár , Jiří Mekyska , Zdeněk Smékal , Irena Rektorová , Lucia Masarová , Marcos Faundez-Zanuy

Parkinson's disease (PD) is a neurodegenerative disease affecting about 1% of people over the age of 60, causing motor impairments that impede hand coordination activities such as writing and drawing. Many approaches have tried to support…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Mhd Adnan Albani , Riad Sonbol

Background and objectives: Parkinson's disease is a neurological disorder that affects the motor system producing lack of coordination, resting tremor, and rigidity. Impairments in handwriting are among the main symptoms of the disease.…

Parkinson's disease (PD) is debilitating, progressive, and clinically marked by motor symptoms. As the second most common neurodegenerative disease in the world, it affects over 10 million lives globally. Existing diagnoses methods have…

机器学习 · 计算机科学 2021-11-30 Riya Tyagi , Tanish Tyagi , Ming Wang , Lujin Zhang

Parkinson's disease (PD), a prevalent neurodegenerative disorder, significantly affects patients' daily functioning and social interactions. To facilitate a more efficient and accessible diagnostic approach for PD, we propose a dynamic…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Xiaochen Huang , Xiaochen Bi , Cuihua Lv , Xin Wang , Haoyan Zhang , Wenjing Jiang , Xin Ma , Yibin Li

Deep neural networks have shown potential in analyzing digitized hand-drawn signals for early diagnosis of Parkinson's disease. However, the lack of clear interpretability in existing diagnostic methods presents a challenge to clinical…

计算机视觉与模式识别 · 计算机科学 2025-05-08 Xuechao Wang , Sven Nomm , Junqing Huang , Kadri Medijainen , Aaro Toomela , Michael Ruzhansky

Parkinson's disease (PD), a severe and progressive neurological illness, affects millions of individuals worldwide. For effective treatment and management of PD, an accurate and early diagnosis is crucial. This study presents a deep…

信号处理 · 电气工程与系统科学 2023-08-16 Niloufar Delfan , Mohammadreza Shahsavari , Sadiq Hussain , Robertas Damaševičius , U. Rajendra Acharya

In this paper we evaluate the suitability of handwriting patterns as potential biomarkers to model Parkinson disease (PD). Although the study of PD is attracting the interest of many researchers around the world, databases to evaluate…

计算机视觉与模式识别 · 计算机科学 2019-03-21 R. Castrillon , A. Acien , J. R. Orozco-Arroyave , A. Morales , J. F. Vargas , R. Vera-Rodrıguez , J. Fierrez , J. Ortega-Garcia , A. Villegas

The rapid emergence of highly adaptable and reusable artificial intelligence (AI) models is set to revolutionize the medical field, particularly in the diagnosis and management of Parkinson's disease (PD). Currently, there are no effective…

机器学习 · 计算机科学 2025-02-18 Aite Zhao , Yongcan Liu , Xinglin Yu , Xinyue Xing

Parkinson's disease (PD), the second most common neurodegenerative disorder, is characterized by dopaminergic neuron loss and the accumulation of abnormal synuclein. PD presents both motor and non-motor symptoms that progressively impair…

机器学习 · 计算机科学 2025-04-07 Masahiro Matsumoto , Abu Saleh Musa Miah , Nobuyoshi Asai , Jungpil Shin

Parkinson's Disease (PD) is a chronic, degenerative disorder which leads to a range of motor and cognitive symptoms. PD diagnosis is a challenging task since its symptoms are very similar to other diseases such as normal ageing and…

机器学习 · 计算机科学 2021-01-15 Mohamad Alissa

In this paper, we introduce Handwritten augmentation, a new data augmentation for handwritten character images. This method focuses on augmenting handwritten image data by altering the shape of input characters in training. The proposed…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Mahendran N

Parkinsons disease (PD) alters cortical neural dynamics, yet reliable non-invasive electrophysiological biomarkers remain elusive. This study examined whether interpretable EEG features capturing complementary aspects of neural dynamics can…

神经元与认知 · 定量生物学 2026-04-14 Antonios G. Dougalis

Handwriting is significantly affected by neurological disorders (ND) such as Parkinson's disease (PD) and Alzheimer's disease (AD). Prior works have analyzed handwriting tasks using feature-based approaches or computer-vision techniques,…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Gabrielle Chavez , Laureano Moro-Velazquez , Ankur Butala , Najim Dehak , Thomas Thebaud

Parkinson's disease (PD) is a slowly progressing neurodegenerative disease with early manifestation of motor signs. Objective measurements of motor signs are of vital importance for diagnosing, monitoring and developing disease modifying…

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