METHOD FOR EXTRACTING SILHOUETTE AND SILHOUETTE EXTRACTION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a method for extracting a silhouette capable of extracting the silhouette of a person in each frame of a moving image.SOLUTION: The method for extracting silhouettes is configured to extract a frame from a moving image obtained by photographing a person performing a swing action along with background, identify each pixel to the person or the background, and extract the silhouette of the person. The method includes: a feature point extraction step S102 of performing image processing for an address frame and extracting a plurality of feature points of the person and a golf club; a step S103 of setting a mask region that is the region including the person and the golf club and including the background of the periphery with a small range; a step S104 of setting a human body zone that has a high probability zone of constituting the silhouette of the person, among the pixels included in the mask region; a step S105 of determining a human body section representing the human body in a histogram on the basis of a histogram of the pixels of the human body zone and color information of the pixels of the human zone of the address frame; and a step S106 of determining the human body section in the histogram of the pixels outside the human body zone on the basis of the determined human body section.