Abstract
Property buyers and homeowners throughout the world have discovered badly tiled floors in their buildings. Consequently, they spend time on expensive repairs because their tiling has a shorter than expected lifetime. If it were possible to ascertain the quality of floor tiling before making a payment, this problem could be solved. Usually, it is difficult to determine the quality of floor tiling visually. Therefore, this work proposes a non-destructive method of identifying correctly and incorrectly laid flooring using tile knocking signals. Acoustic models were created using Mel Frequency Cepstral Coefficients (MFCCs) and Hidden Markov Models (HMMs). The sounds resulting from firmly or gently knocking on tiles, and the characteristics of knocking signals were used for the acoustic model training and testing. Regardless of firm or gentle knocking, the results showed that the proposed method could distinguish between correctly and incorrectly laid floor tiles accurately and efficiently.
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Phoophuangpairoj, R. (2018). Recognizing Quality of Floor Tiling from Knocking Signals Using HMMs. In: Meesad, P., Sodsee, S., Unger, H. (eds) Recent Advances in Information and Communication Technology 2017. IC2IT 2017. Advances in Intelligent Systems and Computing, vol 566. Springer, Cham. https://doi.org/10.1007/978-3-319-60663-7_12
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DOI: https://doi.org/10.1007/978-3-319-60663-7_12
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