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28.06.2008.

Image Fulgurator
Lokacija: Zanimljivi linkovi   |   Autor: cacan @ 20:44   |  

Haha, odlicna fora…

Lik je patentirao napravu koja projicira fotku iz fotoaparata (s filma) na objekte u koje se usmjeri “fotic". Ali, nije dumina u tome, nego u cinjenici da se slika projicira u trenutku kad okine flashe s tudjeg fotoaparata. Foto-uzurpator! ;-)

Npr. lik fotka ribu na ulici, a foto-uzurpator se nalazi u blizini i usmjeri svoju napravu (fulgurator) prema ribi. Lik okine fotku (s flashom) i u tom trenutku se na ribu iz fulguratora projicira golo tijelo npr. Lare Flynn Boyle… ;-) ili necije jetrve… ;-)

http://www.juliusvonbismarck.com/fulgurator/


DSC_1452.jpg

Julius von Bismarck’s ‘Image Fulgurator’ projects stealth images into the photographs of strangers, while keeping those images invisible to human eyes. Depending on whom you ask, it’s either a clever hack or an obnoxious intrusion. Naturally, we had to find out more.

Yesterday, von Bismarck’s device made its premature debut on the internet. Today we met him in his hometown, Berlin, to talk about the device, the thinking behind it and the inevitable deluge of e-mails from viral marketers wanting use it to smash their way further into our brains.

But first, about that name: According to von Bismarck, ‘Image Fulgurator’ comes from the Latin for ‘lightning’ (fulgur) and means ‘Flash Thrower’.

DSC_1466.jpgFirst, let us make clear that von Bismarck has applied for a patent for the Fulgurator. He stressed this point. Of course, anyone with the requisite skills can make one of their own, but Julius wants to keep some degree of control over commercial use.

To see why, consider how it works. The device is a modified camera – in this case, an old manual Minolta SLR. A flashgun fires through the camera in reverse, from the back. The flash picks up the image of a slide inside and projects it out through the lens and onto any surface.

The trick is in the triggering. The Fulgurator lies in wait until an unsuspecting photographer takes a picture using a flash. When the device’s sensor sees this flash, it fires its own unit, throwing up an image which is captured by the hapless photographer’s camera while remaining unseen by the naked eye.

Now, imagine for a moment that an ad agency gets hold of this. You couldn’t take a photograph of a tourist attraction ever again without worrying that some marketing crap would be pushed into your camera. As Julius told me, "I see it as a piece of media art. It could be a dangerous attack on media. [But] if people do shit with it, I feel bad."

This is the reason for the patent, and although he doesn’t have an army of lawyers behind him, Julius seems to be on top of the legal side of things. He’s also moving fast. This Fulgurator is the first prototype, and the most primitive. "It works, but it’s not practical," he says. "In a few years time, huge companies will use it for shit," but by then, Julius will be at the next stage. He already has more working models (which I wasn’t allowed to see) which are refinements of this one.

DSC_1457.jpgAt its simplest, the Fulgurator is a very easy hack. A hole has been cut in the back of the camera and a piece of clear, roughened acrylic put in its place. A rear tube allows the flashgun to slide in. Everything else remains intact. The slides themselves are just rolls of processed film (the pictures are snapped from Julius’ computer monitor) returned to their canisters and then loaded up as if a normal film. Any image on the reel can be selected by turning the rewind crank. When you hold the Fulgurator up, you can see the subject on the acrylic screen and line it with the image on the slide. You can also focus, to ensure the final projection ends up sharp.

DSC_1456.jpgDSC_1455.jpg

But the magic happens inside the flash sensor on the top. Ordinary slave flashes (which fire whenever they detect another flash going off) aren’t reliable enough, so von Bismarck built his own circuitry. The original was based on the Arduino platform but has evolved into a custom-made circuit. The knobs were for tweaking the settings on the prototype, stuff which is all now taken care of by software.

Julius had ripped the guts out of the box for a newer version, so we couldn’t see it in action, but we know what it does. Modern digicams flash for all kinds of reasons, such as red-eye reduction and focus assistance. What Julius’ circuit does is to ignore all of these false strobes and fire only when the photo itself is taken. This is the secret sauce of the Fulgurator.

Clearly, this is a prankster’s dream. But Julius thinks it has a serious side, too, which is why it looks like a gun. "It’s important that people know it’s not just a funny idea," he told me, "it can also do negative stuff."

It seems that the "negative stuff" consists mainly of pissing people off, like the aforementioned marketing uses. We’re looking forward to seeing what the next gen hardware can do, though. Take a look at this picture:

test.jpg

The message is ‘Fulgurated’ onto a black laptop bag. Turning black to white is powerful stuff, but it’s not just slogans that can be fired. Although Julius frames his nerdery in an artistic context (he’s studying a German Diploma called "Digital Class" at UDK, Berlin’s art school) he clearly has a soft spot for tomfoolery. In the image below, you see an image of a naked body which can be projected onto a clothed person.

DSC_1458.jpg

The possibilities are endless, but Julius is just getting started. When I suggested that he put his own URL on the images, so victims could later check to see just what had happened to their pictures, he seemed surprised (later I learned that he does plan to include it later, to promote his own work). In fact, the whole thing has happened a little too quickly.

Yesterday’s ‘leak’ onto the internet was intended as a place holder for an entry into Ars Electronica’s Cyber Arts exhibition in September. Instead, it catapulted him into internet fame and he has already received high-priced offers for his work. If he manages to keep on top of things, this little hack could make him some big money.




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  • Was this article helful to you? If so, please click on the (+) [plus] sign below! It's Croatian digg ;-) Tnx!

    04.06.2008.

    PHP - Amazon S3 - file integration
    Lokacija: PHP :: Hosting   |   Autor: cacan @ 14:57   |  

    Nedavno sam se nasao u situaciji da sam zbog ogromne navale (unmetered, ali ogranicen bw) morao naci hitno rjesenje, ili trpiti bujicu prigovora korisnika, ostrice tomahawka i voodoo kletve. ;-) Uglavnom, sadrzajno se radilo o fotkama, ali kad je pipa uska, a potraznaj velika -> sve steka. Srecom, trazeni materijal se mogao tocno odrediti i to je uvelike olaksalo rjesavanje problema.

    Dakle, trebalo je neko brzo i handy rjesenje, bez previse kodiranja i drkanja -> i tu se sjetih S3!

    U vrlo, vrlo kratkom vremenu (kojih 15tak minuta efektivno), uz malu pomoc kolege Kukija (rewrite rule), moze se:
    - regati S3 account
    - prilagoditi posluzivanje na serveru (redirect na S3 za trazenim sadrzajima pomocu .htaccesa) - ovo je jednostavan file requst rule za sve fileove u odredjenom direktoriju

    RewriteEngine on
    RewriteCond ^/%{REQUEST_FILENAME} !-f
    RewriteRule ^(.+) http://bucket.s3.amazonaws.com/dir/$1

    - pronaci optimalno rjesenje za upload sadrzaja na S3 i uploadati fileove na S3 (pomocu odlicnog S3fox plugina za Firefox, vrijeme uploada nije uracunato u onih 45 minuta ;-)) et voila - trazeni materijal se posluzuje po relativno jeftinim tarifama.

    30tak GB, koliko je taj peak pojeo - nesto sitno iznad 5$. Very nice! ;-)

    Kako je peak trajao svega dan-dva i promet se vratio u normalu, ali S3 ostaje kao jocker u rukavu za sve prometno zahtjevne situacije. Ovaj put ga imam u vidu i pri planiranju i razvoju, a ne samo kao vatrogasnu mjeru.

    Evo par handy sitnica za PHP za streamanje (korisno kod velikih datoteka) na S3 server.
    http://www.ogleearth.com/2007/07/kmls_region_ama.html
    http://neurofuzzy.net/index.php?s=s3 + http://www.neurofuzzy.net/2006/08/26/amazon-s3-php-class-update/
    http://www.missiondata.com/blog/linux/49/s3-streaming-with-php/
    http://cesarodas.com/2007/09/php-amazon-s3-stream-wrapper.html
    http://www.phpclasses.org/browse/package/4144.html

    http://www.theregister.co.uk/2008/07/14/mulesource_cloud_amazon/page2.html

    PHP 5 Class




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  • Was this article helful to you? If so, please click on the (+) [plus] sign below! It's Croatian digg ;-) Tnx!

    02.06.2008.

    YouTube PHP API (upload)
    Lokacija: PHP :: Ajax-PHP   |   Autor: cacan @ 21:02   |  


    Jochen Hartmann demonstrates the basics of how to use the PHP Client Library with the YouTube Data API.

    PHP Developer’s Guide:
    http://code.google.com/apis/youtube/d…

    Other documentation:
    http://code.google.com/apis/youtube/

    Please note that the code demonstrated is currently only available by obtaining the latest revision of the Zend Framework from svn.




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  • Was this article helful to you? If so, please click on the (+) [plus] sign below! It's Croatian digg ;-) Tnx!

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