The depth-of-field effect can improve the realistic sense of a computer-generated image, and thus rendering of this effect has become one of the important research topics in computer graphics.
景深效果能够增强计算机生成图像的真实感，因此关于这类效果的绘制已成为计算机图形学中的重要研究方向。
AR is a technology in which a computer-generated image is superimposed onto user's vision in the real world, giving user additional information generated from the computer model.
增强现实技术通过跟踪用户在真实场景中的位置，将计算机生成的图像“叠加”在用户感知的真实世界之上，利用这些辅助信息增强了用户对真实场景中感知能力。
AR is a technology in which a computer-generated image is superimposed onto user's vision in the real world, giving user additional information generated from the computer model.
增强现实技术通过跟踪用户在真实场景中的位置，将计算机生成的图像“叠加”在用户感知的真实世界之上，利用这些辅助信息增强了用户对真实场景中感知能力。
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