Coding4Fun: Build Fun, Cool, Commercial Applications Using the Kinect for Windows SDK Dan Fernandez Director Microsoft Corporation Brian Peek Senior Technical Evangelist Microsoft Corporation

IR Emitter Color Sensor IR Depth Sensor Tilt Motor Microphone Array

Horizontal Vertical

DEMO

DDDDDDDDDDDDDPPP DepthPlayer Index

NearDefault 0.4m/1.3 ft0.8m/2.6 ft

1.3’2.6’9.8’13.1’26.2’ Default Mode Near Mode Feet Meters UnknownNormal

1.3’2.6’9.8’13.1’26.2’ Default Mode Near Mode Feet Meters UnknownToo NearNormalToo Far

DEPTH FORMULAS Depth data short[] allData = new short[depthFrame.PixelDataLength]; Get depth for a point (X:160, Y:120, Width: 320) int index = (width * y) + x; // 38,560 Get X, Y for an index (Index: 5,000, Width:320) int x = index % width; // 200 int y = index / width; //15 Distance Formula short depthPoint = allData[index]; int depth = depthPoint >> DepthImageFrame.PlayerIndexBitmaskWidth; // 2,000 Player Formula int player = depthPoint & DepthImageFrame.PlayerIndexBitmask; // 1

DEMO

Max of two skeletons per Kinect 6 Player Proposals HandLeft WristLeft ShoulderLeft Head ElbowLeft ShoulderRight HandRight WristRight ElbowRight ShoulderCenter FootLeft AnkleLeft KneeLeft HipLeft HipCenter HipRight FootRight AnkleRight KneeRight Spine

Z Axis X Axis Y Axis Joints in meters from camera Negative Positive Negative

Each joint has associated tracking state Tracked, Not tracked, or Inferred Inferred - Occluded, clipped, or low confidence joints Use TransformSmoothParameters to smooth joint data to reduce jitter Kinect transform smoothing uses Holt Double Exponential Smoothing - Skeleton.ClippedEdges = FrameEdges.Top;

Fatigue Kills GesturesUse Coding4Fun ScaleTo extension method

DEMO

KINECT AS AN OFFICE MONITOR.

KINECT AS AN OFFICE MONITOR.

DEMO

Rotation in camera space, or amount of rotation from parent bone Player orientation stored in HipCenter, or ShoulderCenter when seated Matrix or Quaternion format for animations

Kinect data over the network using sockets Color, Depth, Skeleton, and Audio Client libraries for WPF, Windows Phone & WinRT

DEMO

Real-time tracking of multiple faces 2D Mesh and Points 3D Head Pose Animation Units Z Axis

100 2D Points 87 in picture 13 additional for center of eye, corners of mouth, center of nose, head bounding box

Pitch Yaw Roll

Neutral Jaw Lowerer Lip Corner Depressor Closed Sad frown Happy smile Neutral ClosedFully open Six Animation Units Uses Candide3 model

DEMO

SPEECH RECOGNITION GRAMMAR yes yes please yes yeah yep ok please out._value = "Yes"; var grammar = new Choices(); grammar.Add(“yes please"); grammar.Add(“yes"); grammar.Add(“yeah"); grammar.Add(“yep"); grammar.Add(“ok"); Ensure AutomaticGainControl = false

DEMO

Admin - controls global game state Robots – Movement, punching, hits, and referee mode User Consoles - player health, time User console’s skeleton data determines movement & punching

DEMO

AAP205 – Leveraging Natural User Interface Technologies to Deliver Improved User Experience (Tim Huckaby) Project Detroit – By Registration BoxingBots – In Expo Hall

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