Thursday, March 27, 2008

WiimoteWhiteboard v0.2 - slightely updated/fixed

Hi, all. I got a few moments yesterday to make a couple of small improvements to the Wiimote Whiteboard software. Most notably, I improved the mouse emulation code. There were problems where it wouldn't work with some programs like PowerPoint, Alias Sketchbook, etc. So, those work fine now.

I also added a "Tracking Utilization" feedback to the GUI which tells you how much of the camera you are utilizing for tracking. This gets updated after calibration. This provides a way to evaluate how good your Wiimote placement is which directly impacts tracking quality. Getting this number to 100% is virtually impossible in any usable configuration, but dropping below 50% is a sign of not-so-great Wiimote placement.

I've also updated the code to use Brian Peeks's WiimoteLib v1.2. I think this may help a little with greater Bluetooth/Vista compatibility. On a technical note, the WiimoteLib in this download is slightly modified to increase the Wiimote camera sensitivity.

You can use this link to download the new version: WiimoteWhiteboard v0.2

91 comments:

  1. Thanks for the nice idea of tracking utilization :-) I'm adding it to Linux Whiteboard.

    Just after I thought there would be no room for improvements.

    I haven't used your program since I have no Windows around. Currently the Linux version is finished with right-clicking, drag-n-dropping, multiple Wiimotes, smooth pointer motion and a multi-lingual GUI. If Whiteboard is lacking in some aspect, I can contribute.

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  2. Thank you so much. I just got my system up and going and it works great.

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  3. would this work with an LED flashlight? like this:

    http://www.action-lights.com/flashlights/pelican-flashlights/led-flashlights/l1-led-infrared.asp?bhcp=1

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  5. Is there a mac version of this anywhere?

    Great innovation

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  6. Great job!I am looking for the IR pen,It's so hard to get the component....

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  7. This comment has been removed by the author.

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  8. hey Johnny ,wonderful ideas
    well i had a thought of your 3d video tracking ,,and defining 3d space , is it possible to create like multi points sensors on the body or using ir pen to trace 3d objects and scn 3d objects creating point grid system for 3d max or creating 3d space from for (stop animation videos)

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  10. Hi, Mr. Lee. I'm a Korean blogger, managing http://e-zoomin.tistory.com . I saw your Wiimote project at Wiring website at first. I have a lot of interests about yout project. Can I introduce your project on my blog in Korean for Korean wii users and media artists?

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  11. Hi,

    I'm curious as a designer if this could be used accurately in photoshop for painting or drawing programs. If it is not at that point yet, wouldn't multiple wiimotes make this much more accurate?

    also, thanks for everything, mostly your attitude of sharing knowledge

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  12. Hi there, nice to see updates.

    How do you prevent Wiimote from going standby? Is there any signal you can send periodically? Thanks.

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  13. Vanhtu1987- what method you use for the right-click?

    The right-click issue has been driving me nuts.

    I showed this Wiimote Whiteboard to my colleagues at the office - their jaws dropped to the ground.

    ReplyDelete
  14. @Tim: The right-clicking is done by turning on the IR pen and holding still for a configurable amount of time (by default 1 second). If you move the pen during that time, it becomes a drag-and-drop operation.

    Filters are added to reduce the choppiness of IR signals, so as to make sure right-click is as easy as click-n-drag.

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  15. Very thinking Johnny!

    Have you tried to link it through a text recognition program?

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  16. is there any way to make this stuff work on a mac without having to use bootcamp or something like virtualBox? i noticed in the download file there was a macos and CVS in the source folder...

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  20. Is there enough resolution & synchronization to use 2 wiimotes spaced some distance apart in order to track the ir pen in 3D?

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  21. you're an awesome guy. I share heaps of respect for people like you. As soon as I can spare some time this year, I will donate it to your project.

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  22. Thank you for all of your information! I have posted some of this in my blog, and gave you credit. I also have added your blog as a link in mine. Hope you don't mind!!

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  23. Hi johnny just got the inital setup working , i will soon try to use two wiimotes to make the tracking redundant , if you made any starts or have any leads as to how to proceed , do tell me.

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  25. Thank you very much!!!
    I'm form Spain and now I have a whiteboard in my school for teaching music.
    The next year all the teacher in my schooll will used your project in the classroom.
    It's incredible how a new board can change the atention and motivation of the childs.
    We will be eternal grateyfull to you.

    ReplyDelete
  26. Hey, I've just been looking at your site and your youtube Wiimote videos and I was wondering if you've thought about marrying this stuff with projectors and applying this sort of technology to a GUI. I have this vision of walking into my "computer room" with my IR LED visors on and being able to virtually walk through a corridor with desktop icons that I can access just like in a standard GUI (I guess with a glove equipped with an IR light pen or something). Just curious. I'm not a computer scientist, so I'm not up on all the most recent CS developments, but I'm sure you guys have had this type of idea before.

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  27. Dude, you are amazing. I'm high as a kite and damn fly guy you the man.

    Awesome work you're doing with the wii mote. it's a whole new world of computers just waiting to happen. Right on!

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  28. This comment has been removed by the author.

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  29. How much of a concern is the lighting in the room? We are interested in using this tecnology, but are worried that it would have to be too dark to be feasible.

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  30. Hi,
    Ya it's great to work in Wiimote Whiteboard software which is working great and user friendly.
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  31. Great. We set it up at our high school in my comp eng class ( I teach it) along with a program called
    "Screenmaker". It's a free download. Works great!!! Thanks

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  32. If it is not at that point yet, wouldn't multiple wiimotes make this much more accurate?
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  40. Hi Johnny. I'm a German student and I want to rebuild your wiimote project. I've found a dll where the main functions of the wiimote should be accesseble. But I've a problem: I don't know how to use the dll without a library (lib). I'm coding in cpp. I've read that you're using c#. Think that it should be quite similar, but how ever, I'm interessted in any help:)

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