What are the principles and advantages of tof camera?

When it comes to vision solutions in recent years, everyone has started talking about 3D vision. ToF technology has been used for many years, so what is the principle of tof camera for ranging?
What are the principles and advantages of tof camera?
Time-of-flight (ToF) technology emits a single beam of modulated infrared light to an object, user or target scene. The ToF imager captures the reflected light and measures the depth, amplitude and phase difference of each pixel. This results in highly reliable distance or depth images, as well as grayscale images of the complete scene.
Advantages of ToF cameras:
ToF cameras support real-time sensing based on fast data acquisition.
ToF cameras require less depth data processing than depth sensing technologies such as structured light or stereo vision, thereby minimizing power consumption. This helps reduce the power consumed by the application processor.
Compared with several other 3D imaging principles, ToF cameras have lower cost.
ToF camera solutions have been widely used in mobile phones and machine vision.

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