[Digikam-users] A modern auto-fix?

Steiner, Erich erich.steiner at credit-suisse.com
Sat May 10 19:38:56 BST 2014

Hi Paul

Give it a try. I just stumbled over that Local-Contrast thing because Gilles wrote about it, that it will be multi-threaded in the future.
And it is really *amazing*, like digikam overall!

Gilles, keep on the great work.

Eru a big fan of DK

Erich Steiner
Decentral Systems Z├╝rich
+41 44 334 76 34 (*414 7634)

From: digikam-users-bounces at kde.org [mailto:digikam-users-bounces at kde.org] On Behalf Of Paul Verizzo
Sent: Saturday, May 10, 2014 6:46 PM
To: digikam-users at kde.org
Subject: Re: [Digikam-users] A modern auto-fix?

Thanks, I didn't catch that, I'll look into it.

Nevertheless, wouldn't something as I described, a one touch fix, be wonderful?  Not that I can write a damned bit of code, so beggars can't be choosers as we say over here.  (USA)

On 5/10/2014 12:11 PM, Gilles Caulier wrote:

digiKam has LocalContrast tool which make the same correction to

image. In fact it emulate pseudo HDR rendering.

Gilles Caulier

2014-05-10 18:07 GMT+02:00 Paul Verizzo <paulv at paulv.net><mailto:paulv at paulv.net>:

Background:  I've been in digital photography since 2000, decades of film

before and since.  I'm certainly familiar with the use of curves to correct

bad photos.  But so tedious, and if the photos are snapshots, hard to

justify the time.  It appears to me, although I can't prove it, that digital

cameras, discrete or within phones, seem to be doing a much better job

automatically adjusting curves than my old Minolta A2, for instance.

I recently became aware of a new free Canon program, My Image Garden, that

has a much improved Auto-fix than its forerunner.  As an example, a backlit

photo processed in MIG will bring up only the shadows while leaving the

normal and highlights alone.  It allegedly uses a zone by zone analysis.  It

is a terrible program in every other regard, clunky interface, bloated, etc.

But I used it for some recent pics to advantage.

Some of those pictures were originally on my Windows Phone 8, which I had

copied to the HD.  Before I deleted them from the phone, I poked around with

the options at that point.  I found an auto-fix, pushed the "button," and my

jaw dropped.  Literally.  A very dark, underexposed shot made perfect!  This

feature is within the Nokia programs!  It is so good, I can see myself

transferring photos from other sources into the phone for correction!  And

it's fast, even so.

I went back through the digiKam manual and looked on screen, and I see the

old standbys there, but nothing like what I've experienced with the above.

Oh, upon lots of research, I found a 2007 $40 program called Photoright that

upon test, seems to be doing similar zone adjustments.

Bottom lines:  Are my observations valid?  Do you think DK might get

something like this?  Oh, yes, all Windows although MIG is available for


Thanks, Paul Verizzo


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