Human body tumble detection method based on intelligent terminal

The invention discloses a human body tumble detection method based on an intelligent terminal, and belongs to the technical field of human body tumble detection. The human body tumble is judged by calculating the human body inclination angle and height change. For calculation of the inclination angle of the human body, the inclination angle of the human body is calculated through rotation transformation between a coordinate system where the smart phone is located and a world coordinate system. By utilizing the fact that the height of the human body remains unchanged in the walking process, theair pressure value is continuously calculated in the walking process, the air pressure difference value between the ground and the smart phone is dynamically calibrated, and therefore the height change is obtained. Through the technical scheme, the accuracy of human body falling detection in a complex environment can reach a decimeter level. 本发明公开了一种基于智能终端的人体跌倒检测方法，属于人体跌倒检测技术领域。本发明通过计算人体倾斜角和高度变化来判断人体跌倒。对于人体倾斜角的计算，本发明通过智能