METHOD FOR EXECUTING APPLICATION HAVING IMPROVED SELF-DIAGNOSIS ACCURACY FOR HAIR, AND SELF-DIAGNOSIS SERVICE DEVICE FOR HAIR BY USING SAME

In the present invention, virtual stereoscopic information is extracted from two-dimensional images of a user's hairline to identify the depth of the head and hairline information; it recommends a hairline that harmonizes with the user's hairline shape and/or overall facial shape, measures the approximate hair density at the forehead line, and determines the required number of hairs depending on the chosen hairline shape; the invention automatically diagnoses the required hair count, promotes the necessity of hair transplantation, and enhances the accuracy of hair self-diagnosis; this is achieved through an application execution method and a hair self-diagnosis service device that utilizes the same.