Tagged Questions
0
votes
2answers
56 views
Best dpi for printing a 48x18 inch at 200%?
I have an image in photoshop I want to print at 200%, and right now it's 48x18 inches, and the resolution is 72 dpi. I read somewhere that changing it to 600dpi would allow me to scale it by 200% at ...
0
votes
3answers
144 views
How can a 900X500px image have ~5400 DPI? [duplicate]
Possible Duplicate:
Does the dpi number reported by camera in JPG have any meaning?
I am investigating on the size and resolution of the photographs posted on the Internet. I have visited ...
1
vote
3answers
171 views
Dots per inch calculation [duplicate]
Possible Duplicate:
What does DPI mean?
I have a hard time understanding the concept of dots per inch. I've looked the wikipedia article and I am still unsure. Say I have a 4"x6" photograph ...
-1
votes
2answers
160 views
How to reduce the image resolution to increase ppi?
Having an photo of 4000x3000 resolution with 240ppi. Is it possible get a resolution of 400x300 resolution but with higher ppi?If possible how to do that?
-1
votes
1answer
91 views
Best Digital Scanning techniques - help
I want to scan a paper shown below. Actually I need the photo of the jets taking off, I dont need the entire newspaper.
This is what I have - I have to do color scanning, I have a HP scanner which ...
3
votes
1answer
2k views
How large an image do I need to print a 32″ by 18″ poster at 300 DPI?
I need to have an image printed as a poster 32″ by 18″ (about 80x45 cm) at 300 DPI, but I am unsure of how big the file must be.
Also, what file format is best?
1
vote
5answers
971 views
How does optimizer software reduce file size without reducing resolution?
There are numerous applications for reducing filesize. Most of them reduce resolution (e.g. from 300dpi to 72dpi) or reduce height and width. I tried http://www.imageoptimizer.net/
Surprisingly, when ...
21
votes
4answers
20k views
Is there a general formula for image size vs. print size?
What size images do I need for common print sizes, such as wallet size, 8x10, and 16x20? Is there a general formula?
How could that size change if, for example, a 16x20 was printed on canvas rather ...
