COVER STORY


Figure 4: Optical system architecture


intrinsics and distortion parameters. Those parameters are estimated during geometric calibration of the camera module. The depth processing algorithm can also output other information such as active brightness images (amplitude of the return laser signal),  which can all be used in end applications. The depth processing can be done on the camera module itself or in a host processor somewhere else in the system. 


 


level components covered in this article is shown in Table 2.


Conclusion


Continuous wave ToF cameras are a   quality 3D information. There are many factors to consider for best performance, including modulation frequency, demodulation contrast, quantum 


  


 the illumination subsystem, optical design, power management and depth processing algorithms. All of these are critical to  camera system. Find out more at analog.com/tof.


CONTACT:


Analog Devices Inc. www.analog.com


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