Increasing image size (just a bit): Upsampling / Uprezzing

[kcmadr]

I do apologize if this subject has been discussed ad nauseum, but after my research on the 'net I essentially haven't found an answer for my want.

For those of you who increase your image sizes, what is the better method for doing so with the obvious criteria of minimal detail loss and artifacts appearing. I'm looking at a small increase in file sizes of maybe 110% - 135% of the original image size.

Of course, if there's a freeware app out there that accomplishes this, I'd love to know about it.

Thanks.

[Wheatfield]

In Photoshop:

Image/Image Size

Either input a %, or the image size in inches or centimeters and ppi that you want.
Choose bicubic smoother and click OK.

[pedrojoper]

My method of choice is upsampling in camera raw (I shoot RAW exclusively). You mention freeware, if you don't have photoshop and don't shoot raw you should try Irfanview. It gives you a few upsampling methods to choose from...

[ivoire]

Genuine Fractals is the best i've seen, better than photoshop. If you don't have photoshop it might be a good alternative. you can download a free trial from

onOne Software - Genuine Fractals 6

if you or a family member is a student its less expensive

Genuine Fractals by onOne Software at Academic Superstore

[kcmadr]

Originally Posted by pedrojoper

My method of choice is upsampling in camera raw (I shoot RAW exclusively). You mention freeware, if you don't have photoshop and don't shoot raw you should try Irfanview. It gives you a few upsampling methods to choose from...

I have recently found that I get good results using ACR, doing my edits, going to CS4, doing further edits as required, and then sharpening and downsampling again.

ACR Seems to do the trick so far, and I already own it so I'll stick with it.

[Leaf Fan]

Originally Posted by ivoire

Genuine Fractals is the best i've seen, better than photoshop. If you don't have photoshop it might be a good alternative. you can download a free trial from

onOne Software - Genuine Fractals 6

if you or a family member is a student its less expensive

Genuine Fractals by onOne Software at Academic Superstore

Genuine Fractals was just tested in the June 2009 Shutterbug Magazine.

Click Here for the article.

[ivoire]

Originally Posted by kcmadr

I have recently found that I get good results using ACR, doing my edits, going to CS4, doing further edits as required, and then sharpening and downsampling again.

ACR Seems to do the trick so far, and I already own it so I'll stick with it.

if you have CS4, try this: open image size, enter 375 for the resolution and increase the size (height/width) by 20-30%, select Bicubic Sharper (best for reduction) and click ok. it does a pretty good job at increasing the image size. Bicubic Sharper (best for reduction) may seem like an odd choice, but it works

[Lazaruscomeout]

I like to print at 300dpi so my method is as follows:

Open JPEG in PS
Choose crop tool
Set width and height to final print dimensions
Select 300 DPI resolution
Crop
Sharpen
Save