[Digikam-devel] [Bug 279544] New: WISH: marking for unsharp pictures

[Axel Krebs]

https://bugs.kde.org/show_bug.cgi?id=279544

           Summary: WISH: marking for unsharp pictures
           Product: digikam
           Version: 2.0.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: Filters
        AssignedTo: digikam-devel at kde.org
        ReportedBy: axel.krebs at t-online.de


Version:           2.0.0 (using KDE 4.6.2) 
OS:                Linux

Hello, 

When searching through lots of pictures (15.000, e.g.), it would be very
advantegous if there was a way to mark unsharp pics in the collection.

In editing modus, lens correction there is already a procedure to affect
sharpness. Thats why I am hoping there is an algorithm to detect sharpness of a
pic. 

Going through huge numbers of pics, it would help to mark pics automatically,
may in classes:

class I:   perfectly sharp
class II:  satisfying sharpness most areas of the pic
class III: misty pics, with no sharp area borders.

I guess, one could deal with sharpness detection by analysing some small areas
(diameter or square of 20 picels wide, e.g.). 

For the sake of analysing speed, there could be a statistical approach to
determine this information only on (statistically) selected areas.

This would easy getting better workflow, I assume, as manual and time-consuming
work could be concentrated on worthy pics.

Maybe it is not necessary for all users, and not for all times; but maybe a
switch could enable this feature. 


Axel


Axel


Reproducible: Always

Steps to Reproduce:
not avaliable

Actual Results:  
not avaliable

Expected Results:  
should be implemented

OS: Linux (i686) release 2.6.35-30-generic-pae
Compiler: cc

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