You don’t need WiFi signals to see that’s a bit sketchy. Somehow, they’ve also positioned the breakthrough as a privacy-positive situation. However, human pose estimation from images is adversely affected by occlusion and lighting, which are common in many scenarios of interest.”īy reducing the need for the advanced-and expensive-technology, the Carnegie Mellon researchers say they can make human tracking more available. In the Carnegie Mellon study, scientists had WiFi signals send and receive a body’s coordinates and then used DensePose to map the body.įrom the study: “Advances in computer vision and machine learning techniques have led to significant development in 2D and 3D human pose estimation from RGB cameras, LiDAR, and radars. And researchers at the Massachusetts Institute of Technology have spent over a decade working on ways to more easily see people through walls, whether using cell phone signals or WiFi. High-cost technology has successfully mapped people’s movements through walls for years. This pathway opens the options for low-cost, broadly accessible human tracking through walls. The results of the study reveal that our model can estimate the dense pose of multiple subjects, with comparable performance to image-based approaches, by utilizing WiFi signals as the only input.” They write: “We developed a deep neural network that maps the phase and amplitude of WiFi signals to UV coordinates within 24 human regions. In a recently published paper, the researchers expanded on the study of employing WiFi signals to map human movement, especially in low-light situations that make using other technologies less than desirable. but that’s what a new study from Carnegie Mellon University claims. It isn’t immediately clear how using only a WiFi signal to track human movement through walls improves personal privacy.
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