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A Method for Human Pose Estimation and Joint Angle Computation Through Deep Learning

delete2026-04-06
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OA
AI
L
Ludovica Ciardiello *
P
Patrizia Agnello
M
Marta Petyx
F
Fabio Martinelli
M
Mario Cesarelli
A
Antonella Santone
F
Francesco Mercaldo *
DOI:10.3390/jimaging12040157delete
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Abstract

Abstract

En 中文
Human pose estimation is a crucial task in computer vision with widespread applications in healthcare, rehabilitation, sports, and remote monitoring. In this paper, we propose a deep learning-based method for automatic human pose estimation and joint angle computation, tailored specifically for physiotherapy and telemedicine scenarios. Beyond pose estimation, the proposed method is able to compute angles between joints, enabling analysis of body alignment and posture. The proposed approach is built upon a customized skeleton with 25 anatomical keypoints and a dataset composed of over 150,000 annotated and augmented images derived from multiple open-source datasets. Experimental results demonstrate the effectiveness of the proposed method, achieving a mAP@50 of 0.58 for keypoint localization and 0.98 for object detection. Moreover, we demonstrate several real-world practical use cases in evaluating exercise correctness and identifying postural deviations by exploiting the proposed method, confirming that the proposed method can represent a promising approach for automated motion analysis, with potential impact on digital health, rehabilitation support, and remote patient care.
Keywords:
human pose estimation
HPE
angle computation
object detection
deep learning
artificial intelligence
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Journal

J
Journal of Imaging
IF:
3.3
Papers:
977
Citations:
4.4K

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U
university of molise
Scholars:
546
Papers: 262
Citations: 0
U
university of sannio
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102
Papers: 52
Citations: 0
N
national research council of italy
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Papers: 410
Citations: 0
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