up vote 2 down vote favorite
share [g+] share [fb]

i just wanted to know is it possible to increase the resolution of an image (or you can say increasing quality of an image) using some simple softwares. if Yes, then some guideline are most welcome.

link|improve this question
88% accept rate
feedback

4 Answers

up vote 4 down vote accepted

Yes.

Something like this:

http://sourceforge.net/projects/imageenlarger/

Will do it without just making a blurry mess too. There are other fractal enlargers out there which try to mimic missing detail - but this one is free.

link|improve this answer
thnx will try it soon. – jack.spicer Aug 19 '09 at 7:28
feedback
up vote 2 down vote

Yes. Almost any photo editing software will do this for you. Some free ones:

MSPaint - built into Windows

Paint.net

Gimp

link|improve this answer
1  
+1 for Paint.Net – Ivo Flipse♦ Aug 19 '09 at 7:41
These will certainly enlarge the image, but not increase the resolution as per the question. – e100 Sep 7 '09 at 5:55
Enlarging the image increases the resolution. They can do better or worse forms of filtering and interpolation, but at least the last two I list will do a good job of that. – Steve Rowe Sep 7 '09 at 6:39
The OP was not just asking about increasing the number of pixels in the image, but increasing the information resolution, or quality, as seen by their accepted answer. – e100 Sep 7 '09 at 16:03
As I said, there are better and worse forms of interpolation, but neither of the paint.net nor gimp will do a bad job of enlarging a picture. They will "increase the information resolution" as you put it. – Steve Rowe Sep 8 '09 at 5:21
feedback
up vote 0 down vote

This little free ware utility http://sourceforge.net/projects/imageenlarger/ does a good job of enlarging without the usual jaggies you get. The interface isn't the most intuitive but if you can work it out it does the job.

link|improve this answer
thnx. downloading it. – jack.spicer Aug 19 '09 at 7:31
feedback
up vote 0 down vote

Sorry everyone - but you CAN NOT increase resolution on something. Why do people think you can? If the information is not there in the image - how is photoshop or something going to find it and add it in???? IT CAN'T. It's a give and take relationship that resolution and physical size have. You got something at 8.5x11 (physical) and 300dpi - you blow it up to 14x16 - guess what, it's going to be way less than 300dpi not matter what you try to increase. Vice versa it will work great. Basically You can take away but you can't add to. That's the real truth. Do your tests and prove it to yourself.

Don't answer questions you don't understand. All these "experts" out there. Just cause you own a toothbrush, doesn't make you a dentist.

Again - something that is 72dpi at 7inches will most likely be around 37dpi at 14inches. Give and take. Start your original as high as you can (be it a scan or photo) and keep it b/c that's as large and as good looking as it will ever be.

link|improve this answer
2  
But what about CSI? Zoom, enhance, zoom, enhance, zoom, enhance, ... – Ryan Thompson Nov 7 '09 at 21:55
feedback

Your Answer

 
or
required, but never shown
discard

Not the answer you're looking for? Browse other questions tagged or ask your own question.