简单的来说，虚拟现实就是利用计算机技术模拟出来的虚拟世界，这个虚拟世界可以是来自实际存在的，也可以是来自于想象中的。虚拟现实必须能够给使用者身处实境的感觉，提供视觉、听觉甚至触觉、嗅觉的模拟。
它在图像处理、影视制作及虚拟现实领域有着广泛的应用。
It has been widely used in Image Processing, film and video production, and Virtual Reality.
计算机3d人脸对象的应用范围十分广泛，包括虚拟现实、辅助教学、远程会议、人机交互、游戏娱乐、电影制作等诸多方面。
Computer based 3d face model has been widely used in many fields, such as virtual reality, computer aided instruction, teleconference, HCI, computer game, movie making, etc.
人体运动在电影制作、视频游戏、虚拟现实应用以及拟人机器人控制中都占有非常重要的地位。
Human motion has played a very important role in file production, video games, virtual reality applications, and control of humanoid robot.
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