Content-based image retrieval and semantic automatic image annotation based on the weighted average of triangular histograms using support vector machine

@davewsmart @willohara @JohnMu @searchliaison 'Content based image retrieval'. Plenty of papers about it in the past couple of years. It looks like it is both a hot topic and very challenging too e.g. https://t.co/jg0zZJsUXv