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PS3 Latest Firmware -- Weird - Photo Gallery

  • 21-01-2009 8:23pm
    #1
    Leiva
    Closed Accounts Posts: 10,117 ✭✭✭✭


    Hi,
    PS3 Latest firmware (2.60) has a cool new Photo Gallery feature , the thing is when you load photos etc you have the option to sort the photos .

    One of the sort options is by smiles (photos with smiles in them ) , when I selected this sure enough it got about 80% accuracy and filtered out photos with smiley people in em ??? ...How in Gods earth does it do this ?

    Really Interested cause I am baffled .

    M.


Comments

  • #2
    ravydavygravy
    Registered Users, Registered Users 2 Posts: 545 ✭✭✭ravydavygravy


    There are various ways this could be done, but the general idea is some form of classification algorithm. For a simple example, the software is trained on big sets of input photos, which are labelled as "smile" or "not smile" - it automatically works out what it thinks (statistically) makes the smile photos different to others. Once trained, the system is ready to use - give it a new photo, it compares it to its trained model and decides if it is a smile or not...

    More reading (gets very math-sie):
    http://en.wikipedia.org/wiki/Statistical_classification

    Classification is used in loads of software - spam email detection is another common example.


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