Personal character and interpersonal relation identification-based man-machine interaction system and work method

The invention belongs to the field of computer vision and the field of man-machine interaction and provides a personal character and interpersonal relation identification-based man-machine interaction system and a work method. The system comprises a detection module, an information feature extraction module, an information feature integration module, a character and preference determining module, a relation determining module and a human-computer dialogue module, wherein the detection module is used for detecting pictures or videos, and real zones of human face and human body images can be obtained; the information feature extraction module is used for extracting human face and human body image features and analyzing human face characters and human body behaviors; the information feature integration module is used for combining human face and human body information output via a former module, and feature vectors for each person are formed; the character and preference determining module is used for analyzing