Gesture is an important indicator of a person's attention and communicative behavior with applications in human computer interaction (HCI) and vision systems. In recent years, vision-based gesture recognition (VGR) has become a key research topic in HCI and there are many real-life applications of VGR. Most of the recent and important applications of VGR include Sign language recognition, Virtual reality, Virtual game, Augmented reality, Smart video conferencing, Smart home and office, Healthcare and Medical assistance, Robotic surgery, Wheelchair control, Driver monitoring, Vehicle control,...