Serene Life

by garik

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11
votes
3answers
2k views

How can I open a very, very large image to downsize it?

I have an image with a 18984x28591px resolution but I can't open it with Paint or with Pixlr Editor to reduce its size. How can I convert or open this large image on my laptop?
0
votes
1answer
92 views

What is the best way to resize a high-DPI image for use on the web and in mobile apps? [duplicate]

I've been given an image (I'm guessing straight from a camera) and it's currently at at 240 pixels per inch. It's been a while since I did much Photoshop; I have three questions for two requirements: ...
0
votes
3answers
107 views

Increase photo resolution by taking a high-res photo of the photo?

I want to make a big tile mural (6 ft. x 3 ft.) from a photo that is 2' x 1.5', 300 dpi. Can I get a higher resolution in the end result if I take a picture of the stock photo with my Canon DSLR, ...
-1
votes
2answers
273 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
vote
3answers
1k views

Can I increase the resolution of a six-megapixel photo to print on a large canvas?

I took a photograph and the information tells me it is 3008x2000 and 2.2 MB. It's a darker image of two people and their reflections in a window. I'm trying to get it printed on a canvas by ...
2
votes
1answer
600 views

Does reducing JPG resolution decrease, increase, or have no effect on image quality?

I'm getting ready to download a bunch of images from microstock photo agency Dreamstime. I'll eventually want most of the images in the 400x300 pixel range for my website when I'm done working with ...
5
votes
1answer
33k views

How can I upscale a low-res image to make it appear higher-res?

I want to enlarge an image to a bigger size. This will cause pixelation. So I want to apply some treatment to it in Photoshop that will suppress some of this pixelation. Of course I cannot generate ...
8
votes
6answers
26k views

Is it possible to increase the pixel density of an image?

I have taken a picture whose resolution is less. I can resize the image easily (i.e I can scale to higher resolution) but the image quality goes for a toss, which is true because the image might not ...
17
votes
4answers
1k views

Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?

Suppose you want to store your photos at some lower resolution, let's say about ~1 MB large. You own a camera able to make photos at 5 MPix and more. And, you want to have the maximum quality at the ...
4
votes
1answer
320 views

Is this article correct about gamma error in picture scaling in common software?

That is kind of a "please proof-read an articles conclusion"-question. Some time ago I found this page: Gamma error in picture scaling. I grasp the point, that the luminosity-curve is not linear and ...