[Digikam-devel] Re: face detection process...

[Alex Jironkin]

Yes  it is quiet different. The current trunk uses many different cascades then choses "faces" that have an overlap. Where as 0.2 branch I chose the best cascade I could and tweaked parameters. I think I get much better result on the images I have. But that might not be indicative of other people collection. If you checkout 0.2 branch, there is also a GUI u can build and test individual images to see different results. Build with -DBUILD_EXAMPLES_GUI=ON flag in cmake.


Alex

On 6 Jan 2011, at 07:58, Amey Dharwadker wrote:

> Yes 128 out of 1660 is bad. Is the algorithm used in the program in
> 0.2 branch different? Just asking as I have not checked it out yet.
> 
> Amey Dharwadker
> 
> On 1/6/11, Alex Jironkin <alexjironkin at gmail.com> wrote:
>> Oh dear. I was excited at first, but wow 128 of 1660 thats terrible. I have
>> another copy in 0.2 branch that I think works a lot better. Will add false
>> positives I think. Also there was a change I had to make to fix a memory
>> leak which will break kface build I think I haven't tested that yet.
>> 
>> 
>> Alex
>> 
>> On 5 Jan 2011, at 21:56, Gilles Caulier wrote:
>> 
>>> AVI: 4
>>> JP2k: 11
>>> JPG: 1204
>>> MOV: 1
>>> MP3: 3
>>> MP4: 2
>>> MPEG: 2
>>> PGF: 1
>>> PNG: 186
>>> PPM: 3
>>> RAW-ARW: 27
>>> RAW-CR2: 17
>>> RAW-CRW: 6
>>> RAW-DCR: 2
>>> RAW-DNG: 62
>>> RAW-HDR: 1
>>> RAW-MRW: 29
>>> RAW-NEF: 16
>>> RAW-ORF: 2
>>> RAW-PEF: 7
>>> RAW-RAF: 9
>>> RAW-RAW: 1
>>> RAW-X3F: 2
>>> TIFF: 50
>>> XCF: 12
>>> Total Items: 1660
>>> 
>>> Gilles
>>> 
>>> 2011/1/5 Alex Jironkin <alexjironkin at gmail.com>
>>> How many pictures you have? I just wanted to check because when I run
>>> detection its not very good. So 128 faces out of how many possible ones,
>>> roughly?
>>> 
>>> Alex
>>> 
>>> On 5 Jan 2011, at 08:48, Gilles Caulier wrote:
>>> 
>>>> As i said previously, it take 37 mns around to scan all my collections...
>>>> 
>>>> Gilles
>>>> 
>>>> 2011/1/5 Alex Jironkin <alexjironkin at gmail.com>
>>>> Oh wow, I am genuinely surprised and happy that only 5 out of 133 are
>>>> false positives. What about the time it took to do the scans? I mean did
>>>> it even matter?
>>>> 
>>>> 
>>>> Alex
>>>> 
>>>> On 5 Jan 2011, at 07:31, Gilles Caulier wrote:
>>>> 
>>>>> Yes
>>>>> 
>>>>> Gilles
>>>>> 
>>>>> 2011/1/4 Alex Jironkin <alexjironkin at gmail.com>
>>>>> Just to clarify 128 are faces and 5 are not is that right? :)
>>>>> 
>>>>> 
>>>>> Alex
>>>>> 
>>>>> On 4 Jan 2011, at 10:17, Gilles Caulier wrote:
>>>>> 
>>>>>> Hi all,
>>>>>> 
>>>>>> Just few words about face detection process using current svn
>>>>>> implementation :
>>>>>> 
>>>>>> - digiKam compiled and installed on a new computer.
>>>>>> - Dabatase created from scratch.
>>>>>> - duration 35 mn (PIV DC 3.6 Ghz, 2Gb RAM) for these stats :
>>>>>> 
>>>>>> digiKam version 2.0.0-beta1 (rev.: 1211276)
>>>>>> AVI: 4
>>>>>> JP2k: 11
>>>>>> JPG: 1204
>>>>>> MOV: 1
>>>>>> MP3: 3
>>>>>> MP4: 2
>>>>>> MPEG: 2
>>>>>> PGF: 1
>>>>>> PNG: 186
>>>>>> PPM: 3
>>>>>> RAW-ARW: 27
>>>>>> RAW-CR2: 17
>>>>>> RAW-CRW: 6
>>>>>> RAW-DCR: 2
>>>>>> RAW-DNG: 62
>>>>>> RAW-HDR: 1
>>>>>> RAW-MRW: 29
>>>>>> RAW-NEF: 16
>>>>>> RAW-ORF: 2
>>>>>> RAW-PEF: 7
>>>>>> RAW-RAF: 9
>>>>>> RAW-RAW: 1
>>>>>> RAW-X3F: 2
>>>>>> TIFF: 50
>>>>>> XCF: 12
>>>>>> Total Items: 1660
>>>>>> :
>>>>>> Albums: 106
>>>>>> Tags: 165
>>>>>> :
>>>>>> Database backend: QSQLITE
>>>>>> 
>>>>>> - 133 unknown items found.
>>>>>> - 5 items are not faces. All others are fine.
>>>>>> 
>>>>>> Bugs :
>>>>>> - when scan is complete, progress bar continue to move...
>>>>>> - There is an album displayed as Unknown where there is no item. Why ?
>>>>>> Look screenshot for details. in fact, it's an icon view problem at
>>>>>> scrolling. Moving contents with mouse wheel change icon view.
>>>>>> 
>>>>>> http://www.flickr.com/photos/digikam/5322873069
>>>>>> http://www.flickr.com/photos/digikam/5322873101
>>>>>> http://www.flickr.com/photos/digikam/5323478176
>>>>>> 
>>>>>> Gilles
>>>>>> _______________________________________________
>>>>>> Digikam-devel mailing list
>>>>>> Digikam-devel at kde.org
>>>>>> https://mail.kde.org/mailman/listinfo/digikam-devel
>>>>> 
>>>>> If we knew what we were doing, it wouldn't be called research, would it?
>>>>> -- Albert Einstein
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________________
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>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> Digikam-devel mailing list
>>>>> Digikam-devel at kde.org
>>>>> https://mail.kde.org/mailman/listinfo/digikam-devel
>>>> 
>>>> If we knew what we were doing, it wouldn't be called research, would it?
>>>> -- Albert Einstein
>>>> 
>>>> 
>>>> 
>>>> 
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>>>> 
>>>> _______________________________________________
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>>> 
>>> If we knew what we were doing, it wouldn't be called research, would it?
>>> -- Albert Einstein
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
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>>> 
>>> _______________________________________________
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>> 
>> If we knew what we were doing, it wouldn't be called research, would it?
>> -- Albert Einstein
>> 
>> 
>> 
>> 
> 
> 
> -- 
> Amey Dharwadker
> Final Year Undergraduate,
> Electronics and Communication Engineering,
> NIT Trichy
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If we knew what we were doing, it wouldn't be called research, would it?
-- Albert Einstein