Those who embark on an epic quest for misplaced keys every time we try to leave the house could have relief in sight: RFusion, a prototype robotic arm designed at MIT, can locate and retrieve items buried under other things.
RFusion fuses visual input from a camera with information from a radio frequency (RF) antenna attached to its gripper, which bounces signals off cheap, batteryless RFID tags that can be stuck to all kinds of objects. Because RF signals can travel through most surfaces (like a mound of laundry that may be obscuring the keys), RFusion is able to locate a tagged item within a pile.
Using machine learning, the robotic arm zeroes in on the object’s location, moves the items on top of it, grasps it, and verifies that it picked up the right thing.
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