Hand and gesture
Hands play an important role in our daily life. We use our hands for manipulation in working, emphasis in speaking, communication in non-verbal environment, etc. Hand gesture not only uses for simple commands in traffic control, but also extends as a kind of language-sign language. In the areas of VR/AR and HCI, understanding hand and its action can greatly improve user experience. This covers a broad topics related to hands, including hand detection, tracking, hand pose estimation, gesture recognition, and sign language translation. Four papers are collected in this issue. They cover different topics related to hand and gesture.