Questions tagged [deconvolution]

an image processing technique for de-blurring images

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2
votes
4answers
1k views

How can I remove shake from images like this one?

Sometimes I have images where the shake motion is not linear but it can be guessed from lights and similar point-like details. I am aware that this photo is low quality, it's simply the latest one I ...
2
votes
2answers
863 views

Are deconvolution filters better than unsharp mask for correcting out-of-focus photographs?

What is the best method for enhancing image quality if a photograph happens to be out of focus? I'm using now unsharp mask but I'm looking for new methods. Perhaps there is one which has better ...
7
votes
1answer
667 views

Can deconvolution reverse softness caused by diffraction?

I'm aware that diffraction limits the maximum optical resolution of any lens, especially when stopped down to very small apertures. Some camera manufacturers, such as Pentax and Olympus, have ...
7
votes
6answers
53k views

Is it possible to re-focus (recover) an intentionally blurred image?

I have an image which I have modified through Picasa ( using Soft Focus - essentially I am making the faces blurred ). Question is : If I upload that photo to Facebook, and a user downloads it from ...
7
votes
3answers
22k views

How does Photoshop CS6's deblur feature work?

This video shows a sneak peek of a new Photoshop feature for Creative Suite 6, called 'deblur', which is able to take a blurry image and make it sharper: http://www.youtube.com/watch?v=xxjiQoTp864 ...
14
votes
5answers
9k views

Can anyone recommend *freeware* to reduce motion blur by deconvolution?

Can anyone please recommend free (preferably also portable i.e. no need to install) software for Windows XP or later to improve image quality of large (12 megapixel) terrestrial (not astronomical) ...