Abstract
In this study, classification of three grades of cast iron viz., gray, malleable and white, based on their texture is attempted, using Haralick features extracted from gray level co-occurrence matrix (GLCM) and histogram features extracted from local binary pattern (LBP). The features were extracted from three hundred images stored in a database and are utilized to train and test the support vector machine (SVM), to classify microstructures. The experimental results show that LBP based feature extraction achieves high accuracy when compared to GLCM based features in classifying cast iron grades.
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