Tag Archive: diy

Nov
17

Multi-touch Table

Interiors of table

This multi-touch table I built as a research platform is based on a diffused illumination approach: 91x57cm surface (107cm diagonal, 16:10 aspect ratio) Toshiba TDP‐EW25 projector (1280x800px) Point Grey Firefly MV camera (640x480px, 60fps) with wide-angle lense Infrared illumination (850nm) Bosch Rexroth aluminium frame UPDATE I: I am now using a diffused surface illumination (DSI) …

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Nov
17

Multiuser-aware Surface Computing

Hand contour extraction steps

The above video shows a working prototype which allows users to identify by simply putting down their hands on the surface. This is related to a topic I became recently more and more interested in: the topic of multiuser-awareness, or user identification respectively discrimination, for interactive surfaces. Of course, there is DiamondTouch which can distinguish …

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Nov
16

FTIR Compliant Surface Tutorial

Silicone applied to drafting film

Inspired by a post on NUI Group Community Forums by Tinkerman I decided to give FTIR (to be accurate, a combination of DSI and FTIR.) a try, creating my first owncompliant surface. The described technique of applying a layer of silicone to a projection surface seemed to be much easier than other methods, such as pouring silicone …

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Nov
15

Portable Multi-touch Table

Image of Google SketchUp model of portable multi-touch table

I designed and built this table to demonstrate PhoneTouch, a novel interaction technique for integrating mobile phones and interactive surfaces (presented as technote and demo at UIST 2010, and as demo at ITS 2010). As the conferences required some travelling, I decided to design the table to fit into my suitcase (the active surface itself …

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