Patent ID: 7502780
Filing Date: 2009-03-10
Classification: G06F,Y10S

Abstract:
1. An information retrieval apparatus for searching a set of information items and displaying results of the search using a self-organizing map, the apparatus comprising: a graphical user interface configured to display a representation of at least some of the information items as a n-dimensional array of display points within the self-organizing map within a display area, the information items each having a set of characterizing information features which include data representative of one or more video images, a processor configured to train the self-organizing map, using color histograms for each video image, to an effect that a color histogram representing a video image of the information item when applied to an input of the self-organizing map as a feature vector identifies one of a plurality of output nodes, the output nodes being arranged to identify points within the self-organizing map, a user control configured to, in response to a user input, select a plurality of video images and to specify a combination of the plurality of selected video images, and a search processor configured