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Schematic of data points on a 2D surface, where the dashed rectangle repres...
Published Online: November 17, 2022
Fig. 1 Schematic of data points on a 2D surface, where the dashed rectangle represents a window centered at datum ϕ i j More
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Raw data series with and without anomalies: ( a ) raw sensory data series d...
Published Online: November 17, 2022
Fig. 2 Raw data series with and without anomalies: ( a ) raw sensory data series dominated by background noise in the presence of anomalies and ( b ) raw sensory data series with noise only More
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Histogram and probability mass function of the baseline distribution  Q  in...
Published Online: November 17, 2022
Fig. 3 Histogram and probability mass function of the baseline distribution Q in the KLD calculation: ( a ) histogram of the data in the data series in Fig. 2( a ) ) used to build the baseline probability distribution Q and ( b ) probability mass function More
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Probability mass function with 20 bins: ( a ) histogram of     Φ  (  i  ,  ...
Published Online: November 17, 2022
Fig. 4 Probability mass function with 20 bins: ( a ) histogram of Φ ( i , j ) when ϕ i j is a data point from the series in Fig. 2( a ) located on the anomaly, with k = 20 bins and ( b ) probability mass function More
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Comparison between the probability mass functions of two anomalies with dif...
Published Online: November 17, 2022
Fig. 5 Comparison between the probability mass functions of two anomalies with different sizes and baseline distribution Q : ( a ) PMF of the common baseline Q, ( b ) PMF of smaller anomaly data, and ( c ) PMF of larger anomaly data More
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Schematic of the anomalies on the pipeline, including ten holes represented...
Published Online: November 17, 2022
Fig. 6 Schematic of the anomalies on the pipeline, including ten holes represented by the circles and a welding strip represented by two vertical lines. More
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Kullback–Leibler divergence filter output. Anomalies are magnified using th...
Published Online: November 17, 2022
Fig. 7 Kullback–Leibler divergence filter output. Anomalies are magnified using the same scale to preserve their relative size. More