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Parkinson's Disease (PD) is a neurological disorder that affects facial movements and non-verbal communication. Patients with PD present a reduction in facial movements called hypomimia which is evaluated in item 3.2 of the MDS-UPDRS-III…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Luis Felipe Gomez-Gomez , Aythami Morales , Julian Fierrez , Juan Rafael Orozco-Arroyave

One of the symptoms of Parkinson's disease (PD) is hypomimia or reduced facial expressions. In this paper, we present a digital biomarker for PD that utilizes the study of micro-expressions. We analyzed the facial action units (AU) from…

Human-Computer Interaction · Computer Science 2021-09-06 Mohammad Rafayet Ali , Taylor Myers , Ellen Wagner , Harshil Ratnu , E. Ray Dorsey , Ehsan Hoque

Parkinson's disease (PD) severity diagnosis is crucial for early detecting potential patients and adopting tailored interventions. Diagnosing PD based on facial expression is grounded in PD patients' "masked face" symptom and gains growing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Yintao Zhou , Wei Huang , Zhengyu Li , Jing Huang , Meng Pang

Parkinson's disease (PD), characterized by its incurable nature, rapid progression, and severe disability, poses significant challenges to the lives of patients and their families. Given the aging population, the need for early detection of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Wei Huang , Yinxuan Xu , Yintao Zhou , Zhengyu Li , Jing Huang , Meng Pang

Hypomimia is a condition in the early stages of the progression of Parkinsons disease that limits the movement of facial muscles, restricting the accurate depiction of facial expressions. Also known as facial masking, this condition is an…

Medical Physics · Physics 2021-11-25 Simoni Mishra

Parkinson's disease (PD) is a common neurodegenerative disorder that severely diminishes patients' quality of life. Its global prevalence has increased markedly in recent decades. Current diagnostic workflows are complex and heavily reliant…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Shuai Shao , Yan Wang , Shu Jiang , Shiyuan Zhao , Di Yang , Jiangtao Wang , Yutong Bai , Jianguo Zhang

We present an efficient and accessible PD screening method by leveraging AI-driven models enabled by the largest video dataset of facial expressions from 1,059 unique participants. This dataset includes 256 individuals with PD, 165…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Tariq Adnan , Md Saiful Islam , Wasifur Rahman , Sangwu Lee , Sutapa Dey Tithi , Kazi Noshin , Imran Sarker , M Saifur Rahman , Ehsan Hoque

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…

Machine Learning · Computer Science 2025-04-07 Masahiro Matsumoto , Abu Saleh Musa Miah , Nobuyoshi Asai , Jungpil Shin

Orofacial deficits are common in people with Parkinson's disease (PD) and their evolution might represent an important biomarker of disease progression. We are developing an automated system for assessment of orofacial function in PD that…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Diego L. Guarin , Aidan Dempster , Andrea Bandini , Yana Yunusova , Babak Taati

Parkinson's disease (PD) is a neurodegenerative disorder, manifesting with motor and non-motor symptoms. Depressive symptoms are prevalent in PD, affecting up to 45% of patients. They are often underdiagnosed due to overlapping motor…

Parkinson's Disease (PD) is characterized by disorders in motor function such as freezing of gait, rest tremor, rigidity, and slowed and hyposcaled movements. Medication with dopaminergic medication may alleviate those motor symptoms,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-09 Terry Taewoong Um , Franz Michael Josef Pfister , Daniel Christian Pichler , Satoshi Endo , Muriel Lang , Sandra Hirche , Urban Fietzek , Dana Kulić

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…

Machine Learning · Computer Science 2021-01-15 Mohamad Alissa

Parkinsons Disease (PD) is a progressive neurological disorder that primarily affects motor functions and can lead to mild cognitive impairment (MCI) and dementia in its advanced stages. With approximately 10 million people diagnosed…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Abu Saleh Musa Miah , taro Suzuki , Jungpil Shin

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…

Machine Learning · Computer Science 2025-02-18 Aite Zhao , Yongcan Liu , Xinglin Yu , Xinyue Xing

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…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Jungpil Shin , Abu Saleh Musa Miah , Koki Hirooka , Md. Al Mehedi Hasan , Md. Maniruzzaman

Diagnosis of Parkinson's disease (PD) is commonly based on medical observations and assessment of clinical signs, including the characterization of a variety of motor symptoms. However, traditional diagnostic approaches may suffer from…

Machine Learning · Computer Science 2020-10-14 Jie Mei , Christian Desrosiers , Johannes Frasnelli

Parkinson's disease is a neurological condition that occurs in nearly 1% of the world's population. The disease is manifested by a drop in dopamine production, symptoms are cognitive and behavioural and include a wide range of personality…

Image and Video Processing · Electrical Eng. & Systems 2024-01-08 Maria Frasca , Davide La Torre , Gabriella Pravettoni , Ilaria Cutica

Parkinson's disease (PD) is a slowly progressing neurodegenerative disease with early manifestation of motor signs. Recently, there has been a growing interest in developing automatic tools that can assess motor function in PD patients.…

Information Retrieval · Computer Science 2018-05-04 Liron Allerhand , Brit Youngmann , Elad Yom-Tov , David Arkadir

Computer aided diagnosis systems can provide non-invasive, low-cost tools to support clinicians. These systems have the potential to assist the diagnosis and monitoring of neurodegenerative disorders, in particular Parkinson's disease (PD).…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Moises Diaz , Miguel Angel Ferrer , Donato Impedovo , Giuseppe Pirlo , Gennaro Vessio

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Mhd Adnan Albani , Riad Sonbol
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