feature sets may be combined easily using this structure by using all of these featureswe get percent accuracy this is perfect illustration of the principle that good algorithms are the easy part you can always use an implementation of state-of-the-art classification the real secret and added value often comes in feature design and engineering this is where knowledge of your dataset is valuable classifying harder dataset the previous dataset was an easy dataset for classification using texture features in factmany of the problems that are interesting from business point of view are relatively easy howeversometimes we may be faced with tougher problem and need better and more modern techniques to get good results we will now test public dataset that has the same structureseveral photographs of the same class the classes are animalscarstransportationand natural scenes when compared to the three classesproblem we discussed previouslythese classes are harder to tell apart natural scenesbuildingsand texts have very different textures in this datasethoweverthe texture is clear marker of the class the following is an example from the animal classand here is another from the cars class