INFLUENCE OF DATA NORMALIZATION ON THE EFFECTIVENESS OF NEURAL NETWORKS APPLIED TO CLASSIFICATION OF PAVEMENT CONDITIONS – CASE STUDY
In recent years automatic classification employing machine learning seems to be in high demand for tele-informatic-based solutions. An example of such solutions are intelligent transportation systems (ITS), in which various factors are taken into account. The subject of the study presented is the impact of data pre-processing and normalization on the accuracy and training effectiveness of artificial neural networks in the case of pavement condition classification. First, audio parametrization process is shortly described and then the most commonly used methods of data normalization are recalled. Examples of analyses are shown, along with conclusions on application of neural networks to pavement moisture condition classification. A neural network based on the Java Neuroph library was designed. Training time and the network evaluation efficiency of the data without and with normalization performed were shown and analyzed. As it turns out, the Z-score normalization is the most accurate, and also the fastest one for the dataset gathered.
Karolina Marciniuk, Bożena Kostek. (2018). INFLUENCE OF DATA NORMALIZATION ON THE EFFECTIVENESS OF NEURAL NETWORKS APPLIED TO CLASSIFICATION OF PAVEMENT CONDITIONS – CASE STUDY, 23(1), 5-12.
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