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Archived with thanks to Multimedia Tools and Applications. This is a post-peer-review, pre-copyedit version of an article published in Multimedia Tools and Applications. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11042-013-1662-y
Except where otherwise noted, this item's license is described as Archived with thanks to Multimedia Tools and Applications. This is a post-peer-review, pre-copyedit version of an article published in Multimedia Tools and Applications. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11042-013-1662-y