The RGB camera collects 30 frames per second of actual real-time events at a 640x480 resolution, while the other handles the 3D depth imaging. Two onboard complementary metal-oxide semiconductor (CMOS) cameras are used in individual capacities to further analyze any data that’s been collected from the IR light patterns. Point cloud data is accurate only at a distance of approximately 1.2 to 3.5 m (3.9 to 11 ft) but within this range, data is collected and sent back, relaying information such as the distance of any detected objects based on any deformations in the IR light patterns. The IR beams that are being emitted are undetectable to the naked eye, but when viewed in the dark through night vision goggles, they are on brilliant display ( Figure 1-2). An infrared (IR) cluster of light (also referred to as a point cloud) is produced and spread out across a room, carrying with it encoded information in the form of varying light patterns-picture hundreds of little laser-point–size dots covering the room. To truly get an idea of the amazing things you can do with the Kinect, you need to understand what it actually is and what it can do.įigure 1-1. PrimeSense skeletal tracking viewerĪt its core, the Microsoft Kinect’s true innovation and technical prowess lie within its depth-sensing technology. A mere six days after its launch, the Kinect was hacked and people started experimenting with it, shortly thereafter discovering what they could do with this affordable depth-sensing camera. What Microsoft may not have anticipated was that its affordable gaming accessory was capable of many great things once placed in the hands of creative developers around the world. The Kinect was launched on November 4th in North America at a retail price of $150 and allowed users to simply plug the device into their Xbox 360 and start playing right away. When you move your hand, the game or dashboard interface responds accordingly. Microsoft’s marketing department hit the nail on the head with the catchy tag line "You are the controller" in other words, the Kinect offers a natural user interface free of any cables, chargers, or controllers. The multimillion dollar idea was to offer a new and exciting way for Xbox 360 owners to play video games. The Kinect was designed and marketed as an accessory to the Xbox 360 with the intention of breathing new life into Microsoft’s gaming division without the company having to release a brand new console.
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