[digiKam-users] face detection with 7.2RC 1st try

[frederic chaume]

Hi Rob


Thanks for your recomendation. Just tried it with this option, and find 
another set of  unconfirmed (~100) over 20K unknown

how to refine again ? should I run recognition again ? restart the 
training again ?

Frederic



Le 04/02/2021 à 13:34, Rob Dueckman a écrit :
> In the people tab, under settings, do you have YOLO v3 selected?  That 
> might help.  Enable YOLO, and select a bunch of photos you know have 
> missed a lot of faces and try recognition again.
>
> Rob
>
>
> On Thu, 2021-02-04 at 08:30 +0100, frederic chaume wrote:
>>
>> Hi Maik
>>
>>
>> thanks for the clarification, that makes the process more clear. 
>> Below tha last result I got
>>
>>   * I have run the training database using the option "clear
>>     unconfirmed face and analyse again" (translation from french, so
>>     may differ from the option name)
>>   * I have completed the face detection on all catalogs, now I have
>>     ~20K unknown faces (using "ignore pictures already analyzed")
>>   * I have run the face recognition again , and got some new
>>     unconfirmed faces with a good success rate, but far from the
>>     number of faces I should have exepected from the unknown
>>
>> what should be the options to get a better result on recognitions ?
>>
>> Thanks and regards
>>
>>
>> frederic
>>
>>
>>
>> Le 04/02/2021 à 08:16, Maik Qualmann a écrit :
>>
>> Face recognition is carried out on all images with "Unknown" faces. So all
>> faces under the virtual tag "Unknown" in the People view. Album bassierd
>> wouldn't make sense. You probably don't even know which albums the unknown
>> faces come from in order to choose the right albums.
>> The training database rebuild is not album based either. All known faces are
>> used.
>> Maik
>> Am Mittwoch, 3. Februar 2021, 12:16:31 CET schrieb frederic chaume:
>>
>>> Hi Maik
>>> Thanks a lot
>>> after running the training dabase, the success rate is close to 100%.
>>> Excellent !
>>> now still some clarification needed.
>>>    * on the face detection menu, album selection can only be modified
>>>      when "face detection" is set, no change possible when "face
>>>      recognition is set". So should we run 1st the "face detection" (and
>>>      then select the albums) before runinng "face recognitation" ?
>>>    * still seeing few faces with 1 new , while no unconfirmed is proposed
>>>      (but not systematic)
>>>    * I have run a database training on all collections , then started a
>>>      face recognitation on all collections (just set "all collections" in
>>>      face detection without running it, hope it is ok). still on-going,
>>>      will let you know the result,
>>> thanks
>>> frederic
>>> Le 01/02/2021 à 22:23, Maik Qualmann a écrit :
>>>
>>>> It is important that you rebuild the training database. This is done in
>>>> the
>>>> maintenance tool under face detection/recognition activate the checkbox
>>>> for
>>>> the rebuild the training database. The settings for the albums to be
>>>> searched are in a tab in the left People sidebar.
>>>> Maik
>>>> Am Montag, 1. Februar 2021, 09:48:56 CET schrieb frederic chaume:
>>>>
>>>>> Hi all
>>>>> just installed 7.2 RC on windows and start playing with face tagging ,
>>>>> below a 1st quick feedback
>>>>>     * 1st of all: I like the presentation and the speed. it is much more
>>>>>     
>>>>>       efficient then previous release (ease to find confirmed,
>>>>>       unconfirmed)
>>>>>     
>>>>>     * seems the number of initial tags when I  start using  7.2 is much
>>>>>     
>>>>>       lower than what I have in previous release . Is that normal?
>>>>>     
>>>>>     * some face tag is shown with 1 new , but no new is proposed, only the
>>>>>     
>>>>>       confirmed ones are available/visible
>>>>>     
>>>>>     * with the 1st run , the success rate is very low (<10%), so I have
>>>>>     
>>>>>       unconfirmed most of them (and confirmed the positive ones)
>>>>>     
>>>>>     * 2nd run   very few  new face is proposed for the existing tags (1 or
>>>>>     
>>>>>       2 in some faces tags)
>>>>>       
>>>>>         o I have thousands of "unkonwn" but was thinking they could be
>>>>>         
>>>>>           proposed to the existing faces as "unconfirmed" faces?
>>>>>         
>>>>>         o how to select albums? in the people menu on the left, I see "no
>>>>>         
>>>>>           album selected" and didn't find how to add it (I'm using
>>>>>           recognize face). I tried using the maintenance tool, but no
>>>>>           change
>>>>>         
>>>>>         o do we have to run "detect face" before "recognize face" ? I
>>>>>         
>>>>>           tried also and didn't get more new unconfirmed proposed in the
>>>>>           face tags
>>>>> Did I miss something ?
>>>>> thanks and regards
>>>>> frederic
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/digikam-users/attachments/20210204/be01e434/attachment.htm>