Re: [Gimp-user] Filter for inequality in microfilm brightness ?
Stephan Hegel wrote: s ver wrote: Digital photos taken from microfilm equipment in public libraries typically come up with inequality in brightness due to imperfect condenser lenses. Gives a bright center and dark corners. (sample at http://users.telenet.be/spica/trial/microfilm.jpg). Has anyone a filter to correct this? The Correct-Radial Luminance filter of Panorama Tools could be helpful in your case. Stephan. ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user See also: http://homepage.ntlworld.com/j.houghton/vignette.htm Doug ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Filter for inequality in microfilm brightness ?
Hi 1 - Make a circular slection 2 - Feather selection by 500 pixels 3 - Inver it ctrl + i 4 - Adjust levels Here is the same pic: http://www.gimp.com.br/imagens/c.jpg Gilberto On Thu, 23 Feb 2006 13:12:24 +0100, s ver [EMAIL PROTECTED] escreveu: De: s ver [EMAIL PROTECTED] Data: Thu, 23 Feb 2006 13:12:24 +0100 Para: gimp-user@lists.XCF.Berkeley.EDU Assunto: [Gimp-user] Filter for inequality in microfilm brightness ? Hallo all, Digital photos taken from microfilm equipment in public libraries typically come up with inequality in brightness due to imperfect condenser lenses. Gives a bright center and dark corners. (sample at http://users.telenet.be/spica/trial/microfilm.jpg). Has anyone a filter to correct this? Stefaan ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
Re: [Gimp-user] Filter for inequality in microfilm brightness ?
s ver wrote: Digital photos taken from microfilm equipment in public libraries typically come up with inequality in brightness due to imperfect condenser lenses. Gives a bright center and dark corners. (sample at http://users.telenet.be/spica/trial/microfilm.jpg). Has anyone a filter to correct this? The Correct-Radial Luminance filter of Panorama Tools could be helpful in your case. Stephan. ___ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
