With the rapid development of computer technology,natural,simple and non-contact gesture recognition is favored in human-computer interaction.Dynamic gesture recognition has always been a hot and difficult issue in the field of human-computer interaction.In order to understand the development status of dynamic gestures,this paper described the dynamic gestures based on depth information from four aspects of gesture segmentation,gesture modeling,feature extraction and gesture recognition based on the extensive investigation of the existing literature and the latest achievement s,introduced the ...