Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
Face Detection - This feature automatically detects and focuses on the face to provide true-to-life color accuracy and sharp picture quality to the user.
人脸检测方法-此功能会自动侦测并侧重于面对，以提供逼真的色彩精确度和夏普的画面质量给用户。
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The edge detection of numeric picture has a very important function in the image segmentation, pattern recognition, and machine vision and so on.