SkinHRNet: A Deep Learning Framework for Non-Contact Heart Rate Estimation and Arterial–Venous Sufficiency Status Classification from Short Skin Videos

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dc.contributor.authorTraivinidsreesuk, Chetsadaporn
dc.contributor.authorYodrabum, Nutcha
dc.contributor.authorWinaikosol, Kengkart
dc.contributor.authorChaikangwan, Irin
dc.contributor.authorPrompattanapakdee, Jiraya
dc.contributor.authorApichonbancha, Sirin
dc.contributor.authorPhongwuttisak, Nuttiruj
dc.contributor.authorTitijaroonroj, Taravichet
dc.date.accessioned2026-08-06T10:53:20Z
dc.date.available2026-08-06T10:53:20Z
dc.date.issued2026-01-01
dc.description.abstractTraditional methods for monitoring flap health in reconstructive surgery are often invasive and rely on subjective assessment. This study addresses clinically motivated monitoring challenges by evaluating two tasks using a dataset of 1,018 short skin videos: average heart rate (HR) estimation under arterial–venous sufficiency conditions and arterial–venous sufficiency status classification across sufficiency and simulated insufficiency conditions. To address these challenges, we propose SkinHRNet, a deep learning–based approach for average HR estimation and arterial–venous sufficiency status classification from short skin videos. This work contributes a short-skin-video framework that combines HR-related signal estimation with arterial–venous sufficiency classification to support the two evaluated tasks under the controlled conditions considered in this study. For average HR estimation under arterial–venous sufficiency conditions, SkinHRNet achieved a mean absolute error (MAE) of 8.66 ± 4.85 BPM. For arterial–venous sufficiency status classification, it achieved an accuracy of 0.969 ± 0.02 across the evaluated sufficiency and simulated insufficiency conditions. These findings indicate that SkinHRNet may serve as an initial research prototype for further investigation of short-video-based non-contact assessment under controlled arterial–venous sufficiency and simulated insufficiency conditions.
dc.identifier.citationIEEE Access, 2026
dc.identifier.doi10.1109/ACCESS.2026.3715745
dc.identifier.issn21693536
dc.identifier.other2-s2.0-105045790190
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/17534
dc.sourceIEEE Access
dc.subjectarterial–venous sufficiency
dc.subjectarterial–venous sufficiency status classification
dc.subjectDeep learning
dc.subjectfree flap monitoring
dc.subjectnon-contact heart rate estimation
dc.subjectremote photoplethysmography (rPPG)
dc.subjectshort skin video analysis
dc.subjectsimulated vascular insufficiency
dc.titleSkinHRNet: A Deep Learning Framework for Non-Contact Heart Rate Estimation and Arterial–Venous Sufficiency Status Classification from Short Skin Videos
dc.typeArticle

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