The device works by transmitting wireless signals that traverse the wall and reflect off a person’s body back to the device. (The emitted radiation is approximately 1/10,000 the amount given off by a standard cellphone.) The device captures these reflections and analyzes them in order to see the person’s silhouette.
The key challenge, however, is that different individuals — and, for that matter, different body parts — all reflect the same signal. Which raises the question: How can we analyze these reflections to distinguish between different limbs, much less entire humans?
“The data you get back from these reflections are very minimal,” says Katabi. “However, we can extract meaningful signals through a series of algorithms we developed that minimize the random noise produced by the reflections.”
The technology operates in two stages: First, it scans 3-D space to capture wireless reflections off objects in the environment, including the human body. However, since only a subset of body parts reflect the signal back at any given point in time, the device then monitors how these reflections vary as someone moves in the environment and intelligently stitches the person’s reflections across time to reconstruct his silhouette into a single image.
A method for the real-time transfer of facial expressions from an actor in a source video to an actor in a target video, thus enabling the ad-hoc control of the facial expressions of the target actor. The novelty of the approach lies in the transfer and photo-realistic re-rendering of facial deformations and detail into the target video in a way that the newly-synthesized expressions are virtually indistinguishable from a real video. [website]
Light L16 is a revolutionary new portable camera with a wide array of lenses and optical zoom capabilities. The Light has 16 individual camera modules all in the same camera body, 10 of which fire simultaneously and are combined to form a 52-megapixel photo. The device is powered by Android, so photos can be shared to social media the same way users share photos with their smartphones. The Light is also Wi-Fi enabled, so it can sync photos automatically.
Camera arrays (CamArrays) are widely used in commercial filming projects for achieving special visual effects such as bullet time effect, but are very expensive to set up. CamSwarm is a low-cost and lightweight alternative to professional CamArrays for consumer applications. It allows the construction of a collaborative photography platform from multiple mobile devices anywhere and anytime, enabling new capturing and editing experiences that a single camera cannot provide [ white paper ]
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A man who lost an eye in a shooting accident has been turned into an ‘eyeborg’, after doctors fitted a tiny camera into his eye socket.
Technology developed at KTH Royal Institute of Technology will save more lives from fires while making the work of a firefighter safer. A small embedded computer in the heal of the firefighter’s shoe allows for the leader of the rescue operation to follow the firefighters movements and location throughout the coordinated rescue operation — without any infrastructure.