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-   -   Motion blur correction (https://www.flyertalk.com/forum/travel-photography/937488-motion-blur-correction.html)

pierre mclopez Mar 28, 2009 7:36 pm

Motion blur correction
 
I spent a summer surveying in the Kenai Pennisula of Alaska. Beautiful grueling work. Near the end of the season by boss and I were at a great site and I asked him to get a shot of me with my little digital Pentax. Told him it was impossible to take a bad shot. Wrong! There was some wobble during the shot which induced blur. I figured this out too late to give it a second try.

So I have this great and sentimental image, but it's flawed. Do any of you know of motion correction service or software?

Thanks in advance.

anrkitec Mar 28, 2009 8:34 pm

Sorry, no such thing really.

You can apply an unsharp mask in various photo editing programs but all that does is sharpen the individual pixels - so you just end up with a bunch of sharp pixels of a still blurred image.

someotherguy Mar 28, 2009 10:08 pm

Focus Magic
 
http://www.focusmagic.com/ does the job. It has one tool for getting rid of motion blur, and another for fixing focus errors. You can try it for free on a few images.

There's a free tool called unshake: http://www.hamangia.freeserve.co.uk/
whose web page has a good explanation of the theory:
http://www.hamangia.freeserve.co.uk/how/index.html

anrkitec Mar 28, 2009 10:35 pm


Originally Posted by someotherguy (Post 11491598)
http://www.focusmagic.com/ does the job. It has one tool for getting rid of motion blur, and another for fixing focus errors. You can try it for free on a few images.

There's a free tool called unshake: http://www.hamangia.freeserve.co.uk/
whose web page has a good explanation of the theory:
http://www.hamangia.freeserve.co.uk/how/index.html

Just an FYI but I have tried that filter and never had any luck.

The resulting images were full of artifacts and over-sharpened. I am sure it can recover a certain amount of detail like numbers and letters but on human faces the results had a 'phony' look to me.

IMO you can achieve pretty much the same results with Photoshop's unsharp mask.

YMMV, but if you like the results I guess that's all that matters.

CPRich Mar 29, 2009 6:32 pm

I used a demo version of Focus Magic and it pulled a little bit of detail out when the motion was very linear and the image not too complicated. It won't work magic - the improvement was small and I didn't buy the software -but it's free to try on a small number of images to see what you think.

RCyyz Mar 29, 2009 9:55 pm

There's a lot of research in motion blur that happens in the medical imaging field (MRI etc). Interesting that it hasn't made it to us mere mortals in the consumer ranks. I guess there's a business opportunity in that.

pierre mclopez Mar 30, 2009 7:36 am


Originally Posted by RCyyz (Post 11495912)
There's a lot of research in motion blur that happens in the medical imaging field (MRI etc). Interesting that it hasn't made it to us mere mortals in the consumer ranks. I guess there's a business opportunity in that.

I listened to a mathematician carry on about her work in the initial research on satellite image correction. She conveyed it was mind-numbing but successful. That stuck with me.

Thanks for all the input.


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