MIT Develops Cheap 3-D Nanocameras

Using encoding technology commonly used in the telecommunications industry, engineers at MIT were able to develop a $ 500,000 3-D camera with off-the-shelf parts priced at around $500. The engineering team stated that their cameras can be used for medical imaging, crashing cars, and improving the accuracy of gaming devices using motion tracking and gesture recognition technology.

The MIT device is based on technology "time of flight" similar to Microsoft's latest release of the second-generation Kinect device. Microsoft's 3-D device determines the object by calculating how long it takes to signal, bounce the surface, and then return to a sensor location. By compensating for the effects of rain, fog, and even semi-transparent objects, the MIT camera of this prior art was improved, said MIT graduate student Achuta Kadambi in a technical note.

Using the most advanced, such as the current state of the new Kinect, you can never capture the 3-D of translucent objects. This is because the bounced transparent object and background smear one pixel of light onto the camera. Using our technology, you can create 3D models of transparent or nearly transparent objects. Some environmental conditions, translucent surfaces, edges or movements create multiple reflections and everything returns to the camera's sensor - which makes it difficult to determine which is the original and accurate signal. To compensate for this effect, the MIT device uses a public telecommunication coding technique to determine the distance a signal has travelled, the team member La Meslaskar.

We use a new method that allows us to encode information at the time that Lascar explains that when the data comes back, we can do calculations that are very common in the telecommunications world, estimating that from a single signal is different distance.

People with trembling hands tend to take blurry photos, plus their phones, as several turn to the live smear version together. By putting some hypothetical models - for example, many of this blurring is caused by stressful hands - the image can be unsmeared to produce a sharper picture. In 2011, engineers revealed a mega-frame per second camera on the same team, capturing light pulses as the space traversed. The camera completes the use of expensive laboratory-grade optical equipment to approximately 500,000 yuan.


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