Yeah, I absolutely get the idea (as I said, we were discussing it yesterday - with reference to an infra-red camera, but same principle). Check out Mario's stuff, there are areas-of-colour recognition algorithms there which will be of help, I think.
Cheers, Ian On Thu, Jan 8, 2009 at 10:08 AM, Anthony Pace <anthony.p...@utoronto.ca> wrote: > To my knowledge all flash integration for multi-touch has been made possible > by using flosc by ben chun, or with OpenCV and touchLib; however, what I am > proposing is that it is possible directly through the use of the flash > player and a simple cam rig. I think that it should be possible, and at > least somewhat comparably fast, considering the player doesn't have to parse > xml socket data on a continuous basis, and all image conversions are done by > the player. I do concede that doing in c++ will most likely prove to be > faster; however, I figure why not try it out. > > Since I know c++ somewhat I figure I will probably look at their libraries > if I get stuck; yet, in the meanwhile, this is a nifty experiment. > > Here is the video that sparked it... > http://www.youtube.com/watch?v=pQpr3W-YmcQ > > Colour tracking would be efficient in a system where you have multi coloured > thimbles or reflective tape, which is what I was thinking of when I came up > with this idea. > http://anthony-pace.deviantart.com/art/add-VR-to-current-FPS-GAMES-91091960 > > Ian Thomas wrote: >> >> I was actually thinking of Mario's lecture at FoTB 2008 where he used >> very similar algorithms to read square barcodes (whatever those things >> are called) from a webcam. Not multitouch, but there's a lot of >> similar code (spotting areas of colour, eliminating noise). >> >> Worth a look, Anthony. >> >> Funnily enough we were talking about exactly the same system for >> multitouch here yesterday - spotting areas of colour. One of our >> developers had seen some demo of a similar system on TV over the >> weekend... >> >> Ian >> >> On Thu, Jan 8, 2009 at 9:12 AM, Glen Pike <g...@engineeredarts.co.uk> >> wrote: >> >>> >>> Hi, >>> >>> Mario Klingemann demo'd something like this at FlashOnTheBeach 2007 - >>> have >>> a look at quasimondo.com to see the "2D or not 2D lecture" - not sure if >>> he >>> released any code though? >>> >>> http://lectures.quasimondo.com/ >>> >>> Glen >>> >>> Anthony Pace wrote: >>> >>>> >>>> I have figured out how to make flash work as a multi-touch system... I >>>> am >>>> coding it now... >>>> >>>> it is so darn simple... >>>> it just came to me after watching a video on how to make your own >>>> multi-touch input device using a webcam a piece of white paper and a box >>>> to >>>> block most of the light so the cam only sees light and dark. >>>> >>>> Since it is all based on blobs, and processing the image through a >>>> filter >>>> to break down the logic, and flash has access to web cams, I can just >>>> convert the image to black and white, threshold the image to find the >>>> blobs, >>>> average out a hit test area based on the finger positions, and all that >>>> would come after is putting together the finger gesturing logic. >>>> >>>> for instance if two blobs exist around their averaged points and have >>>> not >>>> moved too much or at all, yet there is a third blob that is moving a >>>> significant amount, perform a specific function based on its direction >>>> (directional logic through tracking input fed into basic physics >>>> equations >>>> and Pythagorean concepts) >>>> >>>> If someone has beaten me to it, I would love to know; however, if you >>>> beat >>>> me to it, after reading my post, tell me about it and show me your >>>> source so >>>> my life is made easier. >>>> _______________________________________________ >>>> Flashcoders mailing list >>>> Flashcoders@chattyfig.figleaf.com >>>> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >>>> >>>> >>>> >>> >>> _______________________________________________ >>> Flashcoders mailing list >>> Flashcoders@chattyfig.figleaf.com >>> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >>> >>> >> >> _______________________________________________ >> Flashcoders mailing list >> Flashcoders@chattyfig.figleaf.com >> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >> >> > > _______________________________________________ > Flashcoders mailing list > Flashcoders@chattyfig.figleaf.com > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
