Face Detection of Thermal Images in Various Standing Body-Pose using Facial Geometry


Hurriyatul Fitriyah(1*), Edita Rosana Widasari(2)

(1) Department of Computer Engineeering, FILKOM, Universitas Brawijaya
(2) Department of Computer Engineeering, FILKOM, Universitas Brawijaya
(*) Corresponding Author


 Automatic face detection in frontal view for thermal images is a primary task in a health system e.g. febrile identification or security system e.g. intruder recognition. In a daily state, the scanned person does not always stay in frontal face view. This paper develops an algorithm to identify a frontal face in various standing body-pose. The algorithm used an image processing method where first it segmented face based on human skin’s temperature. Some exposed non-face body parts could also get included in the segmentation result, hence discriminant features of a face were applied. The shape features were based on the characteristic of a frontal face, which are: (1) Size of a face, (2) facial Golden Ratio, and (3) Shape of a face is oval. The algorithm was tested on various standing body-pose that rotate 360° towards 2 meters and 4 meters camera-to-object distance. The accuracy of the algorithm on face detection in a manageable environment is 95.8%. It detected face whether the person was wearing glasses or not.


Face detection; Thermal images; Frontal view; Facial geometry

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DOI: https://doi.org/10.22146/ijccs.59672

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