In recent years, the vision-based innovation of hand motion acknowledgment is a significant piece of human computer
interaction (HCI).In the last decades; keyboard and mouse play a significant role in human-computer interaction. However,
owing to the rapid development of hardware and software, new types of HCI methods have been required. In particular
technologies, such as speech recognition and gesture recognition receive great attention in the field of HCI. Hand gesture
recognition is very significant for human-computer interaction
