Dynamic Facial Expressions Analysis Based Parkinson's Disease Auxiliary Diagnosis

• URL: http://arxiv.org/abs/2512.09276v1
• Date: Wed, 10 Dec 2025 02:57:21 GMT
• Title: Dynamic Facial Expressions Analysis Based Parkinson's Disease Auxiliary Diagnosis
• Authors: Xiaochen Huang, Xiaochen Bi, Cuihua Lv, Xin Wang, Haoyan Zhang, Wenjing Jiang, Xin Ma, Yibin Li,
• Abstract summary: We develop a dynamic facial expression analysis-based Parkinson's disease auxiliary diagnosis method.<n>Method targets hypomimia, a characteristic clinical symptom of PD, by analyzing two manifestations: reduced facial expressivity and facial rigidity.<n>Method achieves an accuracy of 93.1%, outperforming other in-vitro PD diagnostic approaches.
• Score: 10.516507364144676
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: 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 facial expression analysis-based PD auxiliary diagnosis method. This method targets hypomimia, a characteristic clinical symptom of PD, by analyzing two manifestations: reduced facial expressivity and facial rigidity, thereby facilitating the diagnosis process. We develop a multimodal facial expression analysis network to extract expression intensity features during patients' performance of various facial expressions. This network leverages the CLIP architecture to integrate visual and textual features while preserving the temporal dynamics of facial expressions. Subsequently, the expression intensity features are processed and input into an LSTM-based classification network for PD diagnosis. Our method achieves an accuracy of 93.1%, outperforming other in-vitro PD diagnostic approaches. This technique offers a more convenient detection method for potential PD patients, improving their diagnostic experience.

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