Topic Author
Posts: 329
Joined: Tue May 15, 2001 10:55 pm

Advice Needed

Wed Sep 26, 2001 4:11 am

Hi guys,

few of my pictures were refused recently for the reqason of
"The photos were very blurry. This might be caused by he scanner
you are using, the way you scanned your photos, the camera, the
light conditions when you shot the photos, object out of focus,
improper photo manipulations or any combination thereof..."
Sample of it is here

Can you advise what can I do in the future to avoid refusals?
What can I do with this picture to improve it?


Posts: 3879
Joined: Tue Mar 18, 2008 9:21 am

RE: Advice Needed

Wed Sep 26, 2001 4:34 am

It needs sharpening, I use the unsharp mask in photoshop, it works really well. Also the pic is "leaning" try to rotate the pic a few degrees to make it level.
Otherwise it's a good photo!


Posts: 4586
Joined: Fri Aug 27, 2010 12:26 am

RE: Advice Needed

Wed Sep 26, 2001 7:10 am

Not sure this one can be saved - the foreground seems sharper than the middle ground on my screen, suggesting focus was a little off in the first place. Sharpening tools can rarely save a photo which wasn't sharp in the first place - the really are best used to compensate for any softness caused by the scanning process.

But it may be the difference in sharpness is due to curvature of the image during scanning - if your scanner allows setting the focus point manually, try setting on the aircraft reg, or "polish Airlines" titles.


Colin K. Work, Pixstel
Topic Author
Posts: 329
Joined: Tue May 15, 2001 10:55 pm

RE: Advice Needed

Wed Sep 26, 2001 9:58 pm


the picture was taken with the digital camera so no scanning involved.


RE: Advice Needed

Wed Sep 26, 2001 10:48 pm

I'm not sure this is beyond repair.

Try using unsharp mask at up to 140%, radius 1, threshold 8....then, if the titles don't look sharp enough just select this with a freehand (or other convenient) selection tool and selectively give these (and possibly the under-carriage) another unsharp mask to 60%-100% to see if it improves (same radius and threshold).

Another thing to try in Photoshop is to set the colour mode to Lab Mode and do all sharpening in the lightness channel - this can avoid a lot of evidence of sharpening.

This obviously applies to other tools with Lab Mode...just in case you don't have Adobe Photoshop.

I think with a little effort this can get added.

Good luck,
Posts: 10221
Joined: Mon Dec 04, 2000 6:38 pm

RE: Advice Needed

Wed Sep 26, 2001 11:46 pm


I've just emailed you my attempt at improving the photo. Nothing really fancy. I used a mask to just sharpen up the plane, and then removed the mask and applied just a little bit more sharpening to the rest of the picture. By the way, I like to use Adaptive Unsharp rather than the Unsharp Mask. Adaptive Unsharp tends to define the edges better while leaving the smooth areas alone.

Finally, I increased the gamma just a tad, in order to brighten up the side of the plane, which is in shadow, and decreased the overall brightness just a little bit in order to get roughly the same luminosity.

Tell me what you think?


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