Archive of UserLand's first discussion group, started October 5, 1998.

Another outrageous land grab patent...

Posted:3/1/2000; 7:28:22 AM
Topic:Another outrageous land grab patent...
Msg #:15355
Prev/Next:15354 / 15356

Amazon is not the only outfit trying to lock down every obvious idea that is in use on the Internet...

For quite some time, Helmut Dersch has been making freely available an application and source code to stitch together images that were shot with a fisheye lens. Then last April 8th, IPIX forced Helmut Dersch to close his website, a very helpful set of internet pages with lots of useful, free programs for the QTVR / Panoramic VR community. Why? IPIX has a patent on stitching together two images shot with a fisheye lens. Many in the panoramic photography community have knowledge of prior art, but who has the kind of money needed to fight these patents in court? The International QTVR Association has a page on the question of IPIX at

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