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Project Tango is a Google technology platform that uses computer vision to enable mobile devices, such as smartphones and tablets, to detect their position relative to the world around them without using GPS or other external signals. This allows application developers to create user experiences that include indoor navigation, 3D mapping, measurement of physical spaces, recognition of known environments, augmented reality, and windows into virtual 3D worlds. The first product to emerge from Google's ATAP skunkworks group, Project Tango was developed by a team led by computer scientist Johnny Lee, a core contributor to Microsoft's Kinect. In an interview in June 2015, Lee said, "We're developing the hardware and software technologies to help everything and everyone understand precisely where they are, anywhere."〔(【引用サイトリンク】title=Future Phones Will Understand, See the World )〕 Google has produced two devices to demonstrate the Project Tango technology: the Peanut phone (no longer available) and the Yellowstone 7-inch tablet. More than 3,000 of these devices had been sold as of June 2015,〔(【引用サイトリンク】date=29 May 2015 )〕 chiefly to researchers and software developers interested in building applications for the platform. In the summer of 2015, Qualcomm and Intel both announced that they are developing Project Tango reference devices as models for device manufacturers who use their mobile chipsets. == Overview == Project Tango is different from other emerging 3D-sensing computer vision products, such as Microsoft Hololens, in that it's designed to run on a standalone mobile device and chiefly concerned with determining the device's position and orientation within the environment. The software works by integrating three types of functionality: * Motion-tracking: using visual features of the environment, in combination with accelerometer and gyroscope data, to closely track the device's movements in space * Area learning: storing environment data in a map that can be re-used later, shared with other Project Tango devices, and enhanced with metadata such as notes, instructions, or points of interest * Depth perception: detecting distances, sizes, and surfaces in the environment Together, these generate data about the device in "six degrees of freedom" (3 axes of orientation plus 3 axes of motion) and detailed three-dimensional information about the environment. Applications on mobile devices use Project Tango's C and Java APIs to access this data in real time. In addition, an API is also provided for integrating Project Tango with the Unity game engine; this enables the rapid conversion or creation of games that allow the user to interact and navigate in the game space by moving and rotating a Project Tango device in real space. These APIs are documented on the (Google developer website ). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Project Tango」の詳細全文を読む スポンサード リンク
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