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Re: Annotation
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Stephane Marchand-Maillet
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Aug 19, 2001 14:30 PDT
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Dear all,
| | Re the free text suggestion, I would suggest that we could
add words to the thesaurus if they are needed, but need a
person (me) to coordinate this.
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Yes, the thesaurus should be flexible but its modifications should be
"versionned" and controlled. Corinne is the person to do it...
| | Re:
| | Also, since to build the ground truth we only need the
visual attributes, should we disable the non-visual
attributes for this annotation round? Each entry in the
thesaurus would then have a boolean field indicating if
it is visual.
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My concern here is that we have to be clear on what is
considered "visual," as people may have different
interpretations. For instance, indoor/outdoor is a
semantic judgment but which nevertheless can be assessed
automatically to a certain degree. Please see the attached
template and think about which are visual.
As an exercise, may I suggest the following: Everyone take
five images of whatever they please (perhaps from
http://www.benchathlon.net/img/todo/), write a one
sentence description of it, and then list a few *visual*
index terms for the image, and send to the list. It won't
matter if the terms are all different at this point; what
will be interesting would be to see the types of
information that people consider visual...
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I agree very much with the idea of limiting (in the first versions at
least) the attributes to visual ones. I will trty doing the "exercice"
asap. For now we (Thomas principally) will do our best to offer you a
tool by mid september...
Best reagrds,
Stephane
PS: To open Corinne's attachement, I had to rename it with a .uu
extension, Winzip then does it automatically...
--
http://www.benchathlon.net : join the Benchathlon CBIR evaluation effort
------------------------------------------------------------------------
Stephane Marchand-Maillet, PhD
Computer Vision Group, Universite de Geneve
24 Rue du General-Dufour - 1211 Geneva 4 - Switzerland
Tel: +41 (0)22 705 7631
Fax: +41 (0)22 705 7780
Email: Stephane.Marc-@cui.unige.ch
URL: http://viper.unige.ch/~marchand/
http://www.mrml.net/
http://vision.unige.ch/
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