Archived posting to the Leica Users Group, 2011/12/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]If it is a loss-less compression scheme then the amount of compression will be image dependably. John ----- Original Message ----- From: Herbert Kanner <kanner at acm.org> Date: Friday, December 30, 2011 1:01 pm Subject: [Leica] DNG compression To: Leica Users Group <lug at leica-users.org> > I'm probably flogging a dead horse, but there is one unanswered > question. In view of the slgorithm that showed up in a forum: > multiply the value that is between zero and 4096 by 16 and take > the square root, thus mapping the 12-bit number into an 8-bit > one, i.e. 0 to 256, how come uncondensed DNGs are all exactly > 36.4 Mb, but the condensed ones have varying sizes? > > > -- > Herbert Kanner > kanner at acm.org > 650-326-8204 > > Question authority and the authorities will question you. > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >