## 2 Background Study on Pipeline Leak Detection Methods
### Complete Ensemble Empirical Mode Decomposition with Adaptive Noise (CEEMDAN)
; visualization, M.K. ; supervision, M.K. ; project administration, M.K. All authors have read and agreed to the published version of the manuscript. The research project funded by TRGS Project Ref: TRGS/1/2016/UTAR/01/2/2 under Universiti Tunku Abdul Rahman, Sungai Long Campus, Kajang, Selangor, Malaysia. **Infrared Consent Statement:** Not applicable

**Data Availability Statement:** Some or all data, models, or codes that support the findings of this study are available from the corresponding author upon reasonable request. The data are not publicly available due to privacy. **Conflicts of Interest:** The authors declare no conflict of interest. \begin{table}
\begin{tabular}{c c c c c} \hline
**Sl No** & **Actual Distance** & **Calculated Distance** & **Relative Error** & **Accuracy \%** \\ \hline
6 & L1 = 1 & L1 = 0.928 & 0.054 & 94.63 \\  & L2 = 2 & L2 = 2.072 & & \\
7 & L1 = 1 & L1 = 1.162 & 0.122 & 87.85 \\  & L2 = 2 & L2 = 1.838 & & \\
8 & L1 = 1 & L1 = 0.928 & 0.054 & 94.62 \\  & L2 = 2 & L2 = 2.072 & & \\
9 & L1 = 1 & L1 = 0.694 & 0.204 & 79.61 \\  & L2 = 3 & L2 = 3.306 & & \\
10 & L1 = 1 & L1 = 1.253 & 0.169 & 83.13 \\  & L2 = 3 & L2 = 2.747 & & \\
11 & L1 = 1 & L1 = 0.824 & 0.117 & 88.27 \\  & L2 = 3 & L2 = 3.176 & & \\
12 & L1 = 1 & L1 = 1.012 & 0.008 & 99.27 \\  & L2 = 3 & L2 = 2.988 & & \\ \hline \end{tabular}
\end{table} 
Table 6: _Cont._

## References

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