trinamiX captures not only a 2D picture and a 3D depth map of the face, but also checks for “live skin” to recognize liveness in…
Lumentum made a strategic move to acquire Coherent Lumentum made a strategic move to acquire Coherent in a cash-and-stock deal valued at USD5.7B. This helps…
Apple’s first crack at a headset is allegedly designed to be a pricey, niche precursor to a more ambitious augmented reality product that will take…
1. VCSEL Overview Vertical Cavity Surface Emitting Lasers (VCSELs) are semiconductor-based devices that emit light perpendicular to the chip surface, as shown in Figure 1. A…
This article compares Frequency Modulated Continuous Wave (FMCW) and Time of Flight (ToF) for LiDAR. In summary, FMCW is better in longer term but ToF…
Figure 1. Apple’s promotion of DTOF This article tries to analyze Apple’s LiDAR sensor and the technologies behind it. This article discusses the following: dToF…
3D sensing iToF vs. dToF dToF 2. iToF iToF Modulation 3. iToF vs. dToF performance 4. Applications Related reading Apple Lidar https://3da.medium.com/lidar-apple-lidar-and-dtof-analysis-cc18056ec41a Reference https://zhuanlan.zhihu.com/p/135836088 http://www.f4news.com/2018/07/07/ams-presentation-on-3d-sensing-for-consumer-applications/