Kinect Introduce 2012 Seung Heon Kang Kinect Introduce

Kinect Introduce 2012 Seung Heon Kang

Kinect Introduce n Motion sensing device n Natural user interface using gestures and spoken commands 2

History n Technical invented by Zeev Zalevsky, Alexander Shpunt, Aviad Maizels and Javier Garcia (2005) n Project Natal (June 1, 2009) n Kinect (November 4, 2010) n First release of Kinect SDK (June 16, 2011) n n Release of Kinect SDK v 1. 0 Beta 2 (November 1, 2011) Release of Kinect for Windows SDK (February 1, 2012) 3

Structure 4

Features n n Field of View q Horizontal field of view : 57 degrees q Vertical field of view : 43 degrees q Physical tilt range : ± 27 degrees Data Stream q 320 X 240 16 -bit depth @ 30 frames/sec q 640 X 480 32 -bit color @ 30 frames/sec q 16 -bit audio @ 16 k. Hz 5

Features n n Skeleton tracking system q Tracks up to 6 people, including 2 active players q Tracks 20 joints per active player Audio System q Echo cancellation system enhances voice input q Speech recognition in multiple 6

NUI Library n Natural User Interface 7

NUI Library 8

Color Image Data n Resolution 640 x 480, fps 30 n Resolution 1280 x 960, fps maximum 12 n 4 Byte per Pixel q RGB color q YUV color 9

Depth Image Data n Resolution 320 x 240 fps 30 n Resolution 640 x 480 fps 30 (upsampling)? n 2 Byte per Pixel q Real depth 13 bit 0~8192 q Player 3 bit 10

Depth Image Data n Measure distance q Default Mode 800 ~ 4000 mm q Near Mode 400 ~ 3000 mm 11

Skeleton Data n Using depth image n Make joint points n 3 D points q Float x q Float y q Float z q Float w 12

How to Skeleton Tracking Distinguish Depth. Map Divide by Background Recognize Create 13

Skeleton Data n Skeleton data of the players detects 6 players n Get skeleton data 2 players 14