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A novel approach to the detection of facial wrinkles: Database, detection algorithm, and evaluation metrics
Computers in Biology and Medicine ( IF 7.7 ) Pub Date : 2024-04-09 , DOI: 10.1016/j.compbiomed.2024.108431 Zijia Liu , Quan Qi , Sijia Wang , Guangtao Zhai
Computers in Biology and Medicine ( IF 7.7 ) Pub Date : 2024-04-09 , DOI: 10.1016/j.compbiomed.2024.108431 Zijia Liu , Quan Qi , Sijia Wang , Guangtao Zhai
Skin wrinkles result from intrinsic aging processes and extrinsic influences, including prolonged exposure to ultraviolet radiation and tobacco smoking. Hence, the identification of wrinkles holds significant importance in skin aging and medical aesthetic investigation. Nevertheless, current methods lack the comprehensiveness to identify facial wrinkles, particularly those that may appear insignificant. Furthermore, the current assessment techniques neglect to consider the blurred boundary of wrinkles and cannot differentiate images with varying resolutions. This research introduces a novel wrinkle detection algorithm and a distance-based loss function to identify full-face wrinkles. Furthermore, we develop a wrinkle detection evaluation metric that assesses outcomes based on curve, location, and gradient similarity. We collected and annotated a dataset for wrinkle detection consisting of 1021 images of Chinese faces. The dataset will be made publicly available to further promote wrinkle detection research. The research demonstrates a substantial enhancement in detecting subtle wrinkles through implementing the proposed method. Furthermore, the suggested evaluation procedure effectively considers the indistinct boundaries of wrinkles and is applicable to images with various resolutions.
更新日期：2024-04-09
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