Face recognition device for smart city

Abstract

The invention discloses a face recognition device for a smart city. The face recognition device comprises a supermarket division unit, a face recognition unit, an analysis and judgment platform and terminal equipment, eye contours of customers are collected through an analysis and judgment platform, a hundred groups of volunteer smiling face eye contours of reference age groups are obtained through the Internet and marked as comparison contours, eye contour images of the customers are obtained and marked as judgment contours, and the judgment contours coincide with the comparison contours; a common central point of the judgment contour and the comparison contour is selected, and rays are sent to the edges of the judgment contour and the comparison contour; a ray distance between the judgment contour and the edge of the comparison contour is obtained, if Jk is greater than a ray distance threshold, that the eye contour of the customer does not accord with the smiling face contour is judged, a blessing language broadcast instruction is generated, and the blessing language broadcast instruction is sent to a music player; the mood of the customer is judged through face recognition, themood of the customer can be relieved, and the turnover of a supermarket is increased.

Description

technical field [0001] The invention relates to the technical field of face recognition for smart cities, in particular to a face recognition device for smart cities. Background technique [0002] Face recognition is a biometric technology for identification based on human facial feature information. A series of related technologies that use a video camera or camera to collect images or video streams containing human faces, automatically detect and track human faces in the images, and then perform facial recognition on the detected faces, usually also called portrait recognition and facial recognition. , in the development of society, face recognition technology is developing rapidly; among them, face recognition technology plays a vital role in supermarkets. [0003] The patent with the notification number CN104392217A discloses a supermarket membership recognition device based on face recognition, which includes a casing, a face image collector and a display on the casing...

AI Technical Summary

Problems solved by technology

[0004] However, in this patent, the identity of the customer cannot be detected, the occurrence of robbery and theft in the supermarket cannot be prevented, and the mood of the customer cannot be judged at the same time, resulting in a decrease in the transaction rate of the product.

Images