Archived posting to the Leica Users Group, 2001/07/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> At 04:45 PM 7/23/01 -0700, Frank Filippone wrote: > >OK.. it invents DOTS of ink.. so what is the difference other than a > >technical definition.. Pixels are captured, some other technical term ( > >dots?) are printed..... > > > >those dots were not there in the original capture,,, and that is > my point.,. > >they ( whatever you wish to call them) are invented. > > > >The multitude need to understand clearly that a true 1:1 correlation of > >captured pixels to printed pixels does not happen in a digital > enlargement.. > >It does so happen in wet prints. > > > >Where do the extra digital pixels come from? A math algorithim. > > > >Frank Filippone > >red735i@earthlink.net > > > It's called INTERPOLATION. All digital imaging algorithms, whether in > silicon or firmware, interpolate the results of reading out a CCD or CMOS > sensor. No, Jim...that's not what he's talking about. You're talking about something entirely different. He was talking about the pixels being printed...ie, taking a grayscale value of 183, halftoning/dithering it, and printing it on an inkjet printer. That data is NOT interpolated. Printer drivers don't do any interpolation to the data.