What is 3D sensing?

Nov 25, 2021

3D Sensing converts the original 2D camera into 3D data, which not only makes the imaging look three-dimensional, but also allows each pixel to have z-axis (depth/distance) data in addition to the x and y axis data. So to put it simply, 3D Sensing is the original camera and a new module for measuring depth data.

At present, 3D Sensing is mainly composed of a transmitter and a receiver. Different paths have different device structures, such as laser transmitter (VCSEL transmitter), wafer-level optics (WLO), and Sensor. There are currently three solutions on the 3D Sensing market, and the maturity levels are arranged in descending order: structured light, ToF and binocular.

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