激光与光电子学进展, 2020, 57 (21): 210402, 网络出版: 2020-10-26
基于Kinect传感器的跌倒行为的检测与分析
Fall Behavior Detection and Analysis Using a Kinect Sensor
探测器 信息熵 关键点 阈值分析 实时检测 detector Kinect Kinect information entropy key points threshold analysis real-time detection
摘要
高危作业现场环境复杂,危险系数高,容易发生跌倒事故,造成人员伤亡。为了检测工人跌倒行为,提出了一种基于Kinect传感器的人体跌倒检测方法。利用Kinect获取深度图像,提取关节点信息,通过计算关节点相对位置熵和速度的变化,判断人体是否发生跌倒。通过对比实验,确定了一组跌倒识别率最高的骨架关节点:头、双肩、双膝、中心点。实验数据表明该方法可以更快速准确地检测出跌倒行为。
Abstract
High-risk work site environments are complex and dangerous and responsible for many fall accidents and casualties. To detect the fall behavior of workers, a human fall detection method using a Kinect sensor was proposed. Based on depth images obtained using a Kinect, we extracted body joint points information and determined whether a human body fell by calculating the changes of the relative position entropy and speed of the joint points. Through comparative experiments, a set of skeleton joint points with the highest fall recognition rate were determined: head, shoulders, knees, and center points. Experimental data show that the method can detect fall behaviors more quickly and accurately compared with the conventional methods.
马宗方, 李静, 曹陇鑫. 基于Kinect传感器的跌倒行为的检测与分析[J]. 激光与光电子学进展, 2020, 57(21): 210402. Ma Zongfang, Li Jing, Cao Longxin. Fall Behavior Detection and Analysis Using a Kinect Sensor[J]. Laser & Optoelectronics Progress, 2020, 57(21): 210402.