Closed tadam98s closed 3 months ago
Hi Mickey,
I suppose you only looked at the UnifiedQualityScore column which is the native quality measure; you should inspect the colum UnifiedQualityScore.scalar where you can find the quality component measure between 0 (worst) and 100 (best). I don't think there is such a thing as the "perfect image" among real ones.
We used the ";" to enable loading of the CSV file with Excel; I am not sure if this only because this is German convention. I can create a ticket for integrating configuration of the CSV separation character, but this will have low priority as it only affects the sample application (and not the OFIQ library).
Thank your for studiying OFIQ in depth; any improvement suggestion would be helpful.
Best, Benjamin
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Hi,
Same question which threshold indicates "take
the face it meets 17974-5 requirements".
B-01 with smile gets 65 - smile is not
permitted
B-02 rolled gets 65 -
strong roll is not allowed
B-09 Background gets 67 - background is not
allowed
C-01 gets 77 but head is too small compared
with the standard (Which parameter gives the eye distance? Is it
>> 90?)
C-06 glasses get 53 - occlude the eyes I think
it should be lower
C-07 two faces gets 82 - but two faces not
allowed
C-10 Background gets 86 - background is not
allowed and also face is too small. (Which parameter gives eye
distance in pixels ?)
R-02 rolled gets 71 - strong roll is not
allowed
R-04 eyes closed head covered 78 - both not
allowed
R-07 scarf gets 56 - chin is not visible I
would prefer a lower score.
R-09 Background gets 83 - background is not
allowed and also face is too small. (Which parameter gives eye
distance in pixels ?)
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Best regards,
Mickey Cohen
Shanit Ltd.
CEO
POB 23410, Jerusalem 9123302, Israel
Schedule a meeting
(M) +972-54-758-6312
Skype: tadam_98
***@***.***
On 21/03/2024 9:23 AM, bbtams wrote:
Hi Mickey,
I suppose you only looked at the UnifiedQualityScore
column which is the native quality measure; you should inspect
the colum UnifiedQualityScore.scalar where you can find the
quality component measure between 0 (worst) and 100 (best). I
don't think there is such a thing as the "perfect image" among
real ones.
We used the ";" to enable loading of the CSV file
with Excel; I am not sure if this only because this is German
convention. I can create a ticket for integrating configuration
of the CSV separation character, but this will have low priority
as it only affects the sample application (and not the OFIQ
library).
Thank your for studiying OFIQ in depth; any
improvement suggestion would be helpful.
Best,
Benjamin
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Hi Mickey, OFIQ implements what is specified in ISO/IEC 29794-5 (which is currently at DIS level). UQS is based on MagFace. MagFace does not necessarily check conformance but the mere utility of the image for being recognizable. There are no threshold specified in ISO/IEC 29794-5 yet. Best, Benjamin
P.S.: BTW it seems that you've confused the scores. For r-04 the UQS is 25 (not 78 which is background uniformity).
table.xlsx
All the images habe UQS ~ 27.
Please include the "perfect image" in the test set.
Also, you are using the German convention of ";" while the default elsewhere is "," Comma Separated Values. Can you add a parameter to set it. You can keep the ";" as default.
It looks good. I will study it in depth. Thank you for adding the "all images" option.
Best, Mickey