What is the difference between halftoning and dithering?
As I understand it, halftoning is the process of taking an image with a given color range (as defined by the colorspace) and blending the colors to form an image with a smaller range of colors. Ho...
photo editing - Photography Stack Exchange
Jan 7, 2021 · I'm trying to get the best possible scan of a CD cover (although this would apply to any print media using CMYK halftoning). With the highest setting on my scanner (3200dpi) I quickly run …
How much is the depth of field of Weegee's "f/8 and be there"?
May 4, 2023 · Thanks to @ZeissIkon, the halftone screen they used is 72 lpi. That is about 2 lp/mm. And "½ mm viewed from 20 inches" is also about 2 lp/mm. So the printing resolution is sufficient for a …
How were photographs printed in newspapers in 1929?
Jan 25, 2015 · This is an advert from 1929 I am curious as how this and other similar things were printed back then. How were the images printed on the advert? Seems to me like this wasn't possible back …
What is the name of this texture/where can I find it?
Apr 28, 2019 · This is actually not a texture, but a . Many graphics applications are able to render images with halftone patterns for printers with few colors (e.g. 1 or 4). Related question at Graphic …
post processing - What is the stippling effect used in newsprint and ...
I am looking to achieve this dot pattern (stippling) effect in some way, be it analog or post processing. If you can identify this technique and some tips on how to go about it? It has a print look...
artifacts - What caused this pattern of lines (moire?) in this picture ...
Oct 17, 2015 · I have scanned this photo from a book that's printed with color ink, but the picture is a black and white one. When I scanned it with Vuescan as a color photograph I get vertical lines like I …
Why do we use RGB instead of wavelengths to represent colours?
Jun 4, 2017 · Mentioning it because it hasn't been mentioned in other answers: we don't just use RGB to represent colour in computer systems. It's the most conventional one since it matches the "native" …
Why is the scanner speckling the images? [duplicate]
They are halftone patterns used in printing. You cannot overcome the limitations of the subject matter. The fact that you have a great scanner is the reason why these imaging artifacts are so obvious. …
What does a client mean when they request 300 ppi pictures?
Mar 15, 2023 · I might ask how large the images will be printed/displayed, and what the OUTPUT resolution and halftone screen will be (for conventional offset printing). If you are printing images on …