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by Aditya

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1
vote
3answers
151 views

Is this rather high resolution possible to achieve?

I'm looking to make a sticker with wood texture printed on it for a cable concealer of 1 meter. From my calculations, this requires a digital image with a DPI of 300 and a resolution of ...
0
votes
1answer
83 views

Can a image have different XResolution and YResolution?

In EXIF data I see stuff like XResolution = 72 YResolution = 72 I'm trying to display that on a site, and I was wondering if I should display both or just a single "72dpi" ? Are there any cases ...
23
votes
5answers
3k views

Is there any practical difference between saving at 300ppi or 72ppi?

I often see statements in discussions about web displayed image quality that go something like this: "I only upload pictures at 72 dpi and 1200 pixels on the long edge, so if someone copies and prints ...
1
vote
2answers
152 views

What would look better - reduce the size of image and print with lower DPI or increase the DPI instead?

I'll give an example, to make my question a bit more clear. If I have e 12Mpx camera (D700, always shooting in raw format), the highest possible resolution is 4256 × 2832. Obviously, in most cases, ...
1
vote
2answers
6k views

What is the optimal resolution required of a picture to print on an A1 size canvas?

I am working on a poster in which the background is a photo that I took myself (18 MP). I am wondering what would be the best resolution for printing this photo on an A1 canvas. This might sound very ...
0
votes
2answers
350 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
206 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
266 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
260 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
133 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
5k 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
1k 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 ...
30
votes
5answers
44k 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 ...