| 摘要 |
PROBLEM TO BE SOLVED: To provide a nurse call system capable of detecting a bed-leaving movement of a patient with high accuracy, on the basis of a captured video of a camera, and performing announcement with reduced detection error.SOLUTION: A nurse call system comprises: a video analysis part 23 for detecting a state in which a patient stays at a bed, an upper body raising state in which a patient raises his/her upper body on a bed, and a bed-leaving state in which a patient left a bed, according to a captured video of a camera 8, on a corridor lamp 3. The video analysis part 23 is configured so that, a specific area E is set according to a bed which is an imaging object, for determining bed-leaving in a field angle of the camera 8, and the video analysis part detects the state in which a patient stays at a bed, the upper body raising state, and a person moving from the specific area E to outside, and every detection time, determines as occurrence of bed-leaving, and a nurse call master machine 3 receives the determination of occurrence of bed-leaving of the video analysis part 23 and performs notification operation.SELECTED DRAWING: Figure 1 |
