Patent ID: 11954942
Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A human behavior recognition system using hierarchical class learning considering safety, the human behavior recognition system comprising:
a behavior class definer configured to form a plurality of behavior classes by sub-setting a plurality of images each comprising a subject according to pre-designated behaviors and assign a behavior label to the plurality of images, wherein each behavior class comprises images with same or similar behaviors of the subject, and a same behavior label is assigned to images included in a same behavior class;
a safety class definer configured to calculate a safety index for the plurality of images, form a plurality of safety classes by sub-setting the plurality of images based on the safety index, and additionally assign a safety label to the plurality of images, wherein an object different from the subject in the image is recognized and the safety index is evaluated based on a pose of the recognized object with respect to the subject; and
a trainer configured to train a human recognition model by using the plurality of images defined as hierarchical classes by assigning the behavior label and the safety label as training images.