1995
DOI: 10.1016/0098-1354(94)e0042-l
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Process trending with piecewise linear smoothing

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Cited by 48 publications
(28 citation statements)
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“…This is similar to the proposals for "signal compression" based on piecewise linear smoothing [12]. However, once a node is put into sleep mode, the sampling is not uniform anymore; this aspect emerged in [11] and is fully considered by the algorithm presented in this work.…”
Section: Energy Saving In Wsnsmentioning
confidence: 77%
“…This is similar to the proposals for "signal compression" based on piecewise linear smoothing [12]. However, once a node is put into sleep mode, the sampling is not uniform anymore; this aspect emerged in [11] and is fully considered by the algorithm presented in this work.…”
Section: Energy Saving In Wsnsmentioning
confidence: 77%
“…Therefore it is also necessary to determine the impact of compression on the observed variance. The measures used are the ratios between the variance of the reconstructed data (r 2 y y ) and the variance of the original data (r 2 y ) (RVC), and between r 2 y and the variance of the reconstruction error r 2 e where e i ¼ y i Àŷ y i (RVE The second of these is similar to the NMSD measure used by Mah et al [8] and Watson et al [9] except that NMSD was expressed as a percentage.…”
Section: Statistical Propertiesmentioning
confidence: 99%
“…Those in industrial use are the direct methods (also known as piecewise linear trending methods) because these can be applied in real-time to spot data. Mah et al [8] and Watson et al [9] have given comparative reviews of various compression methods. Mah et al [8] compared piecewise linear trending methods and introduced a new method (PLOT).…”
Section: Overview Of Data Compressionmentioning
confidence: 99%
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“…SDT method is used for industrial flow most because it is easy and simple to be operated, as well as that it can be executed quickly. Signal conversion includes lots of methods, such as DCT (discrete cosine transform) and WT (Wavelet Transform) [5]. Today, WT is being widely used.…”
Section: Introductionmentioning
confidence: 99%