Acceleration Based HCI Prototype

Peng Deng: 263497 Qifeng Mao: 272746

2

Characteristics of human motion

Challenges: 1.Recognition; 2. Segmentation

Facts: 1.Multi-attributes; 2. Data stream

Solutions: 1.Machine Learning; 2. Threshold+std dev

3

Characteristics of human motion cont.

Challenges: 1.Recognition; 2. Segmentation

Facts: 1.Multi-attributes; 2. Data stream

Solutions: 1.Machine Learning; 2. Threshold+std dev

4

Architecture

Sensor-Side Host-Side

Tomcat Axis

(Sun SPOTs)

Human Gesture

Phone Call WS

· SVGService.jws

Base Station

Data Stream Filter

Segmentation

Module

HMM Engine

SVG Application

· zoom in· zoom out· Zoom X axis· Zoom Y axis· clock rotate· reverse clock rotate

· Web Calls

Soft Phone

IAX2

VOIP PBX

·

Extension 2000

·

Server: Trixbox.nikdow.net

SocketsS

AO

PRadiogram

5

DEMO

6

Auto segmentation

a b s

Sliding Window: common method to process data stream e.g. TCP, DSMS

Standard Deviation: How stable the data series is

0 1 -1 0 0.5 0 3 7 -2 9