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This study proposed a method of nose and nostril detection in thermal images using the Viola-Jones method. Since thermal images show facial features with unclear boundaries, using the Viola-Jones method to identify features results in hits and false alarms. To eliminate false alarms, the face was first detected by setting size and temperature constraints. Next, location constraints were added to precisely locate the nose and nose holes. After detecting the nose and nose holes, template matchingdoi:10.14257/ijast.2017.109.07 fatcat:ueyqnhouong33mjvapp6z6g7ka