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How did they do that? (program question)

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Jacob Mei	Posted - 2009.04.07 21:50:00 - [1] Edited by: Jacob Mei on 07/04/2009 21:53:14 Assassins Creed 2 teaser Let the movie play through then click on the icon. Print the resulting PDF and then turn on your webcam. Show the webcam the printed image and see what happens. How did they do that? What programs can do that? Where can I get something like that to password my computer -------------------------------- To borrow a phrase: Players who post are like stars, there are bright ones and those who are dim.
Cpt Placeholder	Posted - 2009.04.07 22:23:00 - [2] If you'd like an answer, it would be better if you actually explained what you mean instead of asking every reader to go through a bothersome procedure that involves wasting paper, ink and time. No offense intended, just an advice.
Lazarann Caldari Darkstorm Command Ethereal Dawn	Posted - 2009.04.07 22:25:00 - [3] Some of Lenovo's laptops have face recognition software that you can use instead of a password to log in to your PC. It basically notices certain points of the face such as cheek bones, chin, eyes and maybe nose and checks if they match. I don't have a webcam so I can't test what you're doing, but I would imagine that works the same way.
Vak'ran	Posted - 2009.04.07 22:38:00 - [4] Originally by: Cpt Placeholder If you'd like an answer, it would be better if you actually explained what you mean instead of asking every reader to go through a bothersome procedure that involves wasting paper, ink and time. No offense intended, just an advice. sent the pdf to my cell and used that, worked perfectly, and feels even more scifi I want this for my laptop, bad ----- Vak'Ran is your local official non-dedicated part-time advocate of reading comprehension and proliferation of intelligence on the EVE Online Forums.
Jacob Mei	Posted - 2009.04.07 23:16:00 - [5] Originally by: Cpt Placeholder If you'd like an answer, it would be better if you actually explained what you mean instead of asking every reader to go through a bothersome procedure that involves wasting paper, ink and time. No offense intended, just an advice. shrug sometimes experience is better than a writen discription but oh well. Basicly at the end of the teaser your asked to print out a symbol and hold it up to your webcam. Webcam "scans" the image, does a cool little animation over the image and confirms its the right image (I tried this with various other images, only worked with this one). It then gives a little animation that tracks the symbol. What im interested in is what sort of software allows that and if its commercially available. -------------------------------- To borrow a phrase: Players who post are like stars, there are bright ones and those who are dim.
Xen Gin Solar Excavations Ultd.	Posted - 2009.04.07 23:22:00 - [6] Edited by: Xen Gin on 07/04/2009 23:24:37 Originally by: Jacob Mei Originally by: Cpt Placeholder If you'd like an answer, it would be better if you actually explained what you mean instead of asking every reader to go through a bothersome procedure that involves wasting paper, ink and time. No offense intended, just an advice. shrug sometimes experience is better than a writen discription but oh well. Basicly at the end of the teaser your asked to print out a symbol and hold it up to your webcam. Webcam "scans" the image, does a cool little animation over the image and confirms its the right image (I tried this with various other images, only worked with this one). It then gives a little animation that tracks the symbol. What im interested in is what sort of software allows that and if its commercially available. It's available to work in flash too, and it's out the in other websites, so it must be out there somewhere. See http://www.listerscominghome.co.uk/
Taedrin Gallente Nabaal Engineering of Haarsuk	Posted - 2009.04.08 04:25:00 - [7] Edited by: Taedrin on 08/04/2009 04:25:56 Originally by: Jacob Mei Originally by: Cpt Placeholder If you'd like an answer, it would be better if you actually explained what you mean instead of asking every reader to go through a bothersome procedure that involves wasting paper, ink and time. No offense intended, just an advice. shrug sometimes experience is better than a writen discription but oh well. Basicly at the end of the teaser your asked to print out a symbol and hold it up to your webcam. Webcam "scans" the image, does a cool little animation over the image and confirms its the right image (I tried this with various other images, only worked with this one). It then gives a little animation that tracks the symbol. What im interested in is what sort of software allows that and if its commercially available. All that's involved is visual recognition. Because the image is black and white, it's rather simple. The pure black and pure white cause clear borders which are easy to identify. If you look at it in general, it's a black square with a hole cut out of it. All that needs to be done is for the print out to be converted back to a bitmap image (done by your web cam). Their software then follows a an algorithm which tests various pixels in the bitmap. It looks for black pixels. Once it finds a sufficiently black pixel, it would probably then try to trace around the black pixels. If the traced black pixels form a square, then look for a white circle inside of the black square. If you find the white circle (with the little black things inside the white circle), then you have found the shape and the program does it's little animation thing. Of course, all of this is pure conjecture on my part - I don't even have a web cam to test this out on. However, this is how I would do it. EDIT: Or in other words, while there might be commercial software available, they probably didn't use it as that would be unnecessarily expensive.
Alsione Ailermane Amarr Relentless Storm Cartel FOUNDATI0N	Posted - 2009.04.08 16:07:00 - [8] Sounds like facial recognition software. You can get that commercially but it won't be cheep for the good ones. Most likely though they created their own software for that program, as it doesn't need to recognize EVERYONE, just that one image.
Cpt Placeholder	Posted - 2009.04.08 18:49:00 - [9] Experiences are always better, but a written report will be enough to know what kind of software is used. As the others said, it's an image recognition software they probably built themselves. There are already some programs making use of mobile phone cameras to scan bar-codes and give info on products.
Mikal Drey Atlas Alliance	Posted - 2009.04.08 20:16:00 - [10] hey hey check out eyeofjudgement of the ps3 for nerdy gameplay using recognition software. its just a recognition program used cleverly.

Ratchman	Posted - 2009.04.09 09:26:00 - [11] Facial recognition wouldn't work too well with my webcam. Sometimes it has problems identifying species, let alone differentiating people.
Dmian Gallente Gallenterrorisme	Posted - 2009.04.09 23:39:00 - [12] Here you have something. And something similar here. Incredible what you can get in 5 seconds with 4 words and Google... ---- Originally by: Anne M. Lindbergh There is no sin punished more implacably by nature than the sin of resistance to change


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