Mongkol L.Technology Garage

Minority Report

iPhone & MacBook Air

Microsoft Surface

Multi-Touch

Behind the Microsoft Surface

1. Touch Surface

2. Cameras (IR pass filter)

3. Computer

4. IR Illuminent

5. Projector (IR cut filter)

Microsoft Surface work

IR Illuminant

Finger

IR pass filter

Cameras

Reflection

Multi-Touch with FTIR

DIY MT with Shadow capture

DIY MT with Shadow capture

Materials• Box • Glass, Acrylic• Printer paper• Webcam• Computer• Touchlib beta2 (download from http://nuigroup.com/touchlib/)

DIY MT with Shadow capture

Step 1 Step 2

Step 3

DIY MT with Shadow capture

Configuration.

DIY MT with Shadow captureTesting

DIY MT with Shadow capture

Problem and Resolving

P: Illuminant form webcam.

R: Use black tape for close

LED on webcam.

P: Image is shapeless.

R: Use CCD camera

(but expensive).

My interest project

• Develop application for Multi-Touch.– Game– Map– Entertainment– Business– Service

etc.

Thank you!

• NUI Group Community• Seth Sandler

• PopularMachine.com

For more information, visit:• http://ssandler.wordpress.com/MTmini • http://nuigroup.com/forums/viewthread/1731/