Oppo has shown off some neat concepts in the past, ranging from a waterfall display to a hidden selfie camera in the screen. Now, the company is set to dwell into another futuristic area: augmented reality glasses. At it’s Oppo Inno Day conference today, the Chinese tech firm said that its AR glasses will arrive next year. The device will have time-of-flight (ToF) sensors to measure distances and will use simultaneous localization and mapping (SLAM) algorithms to gauge the area around the person wearing them.  [Read: Neural’s market outlook for artificial intelligence in 2021 and beyond] OPPO AR Glass 2021: ???? ToF????…

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