METHOD AND DEVICE FOR DETECTING ABNORMAL STATE

摘要

PROBLEM TO BE SOLVED: To provide a method and a device for detecting an abnormal state.SOLUTION: A method of detecting an abnormal state according to an embodiment of the present invention includes the steps of: detecting whether a first object is present in an acquired image; when the first object is present in the image, recognizing whether the first object carries a material; when the first object carries a material, acquires information on a motion of the material; and determines whether the state is abnormal on the basis of the information of a motion of the material.SELECTED DRAWING: Figure 1