Automatic event-based indexing of multimedia content using a joint content-event model
Nikolaos Gkalelis, Vasileios Mezaris, Ioannis Yiannis Kompatsiaris · 2010
In this paper a joint content-event model for the automatic indexing of multimedia content with events is proposed. This model treats events as first class entities and provides a referencing mechanism for automatically linking event elements (represented using the event part of the model) with content segments (described using the content part of the model). The emphasis of the paper is on this mechanism, which uses trained concept detectors to represent content segments with model vectors, and the subclass discriminant analysis algorithm to derive a discriminant subspace facilitating the indexing of content segments with event elements. The use of this referencing mechanism for associating multimedia content with five sport events is demonstrated on the MediaMill dataset.