2011
DOI: 10.1007/s11633-011-0598-9
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Intelligently tuned wavelet parameters for GPS/INS error estimation

Abstract: This paper presents a new algorithm for de-noising global positioning system (GPS) and inertial navigation system (INS) data and estimates the INS error using wavelet multi-resolution analysis algorithm (WMRA)-based genetic algorithm (GA) with a well-designed structure appropriate for practical and real time implementations because of its very short training time and elevated accuracy. Different techniques have been implemented to de-noise and estimate the INS and GPS errors. Wavelet de-noising is one of the m… Show more

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Cited by 13 publications
(7 citation statements)
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“…Like the entropy features of phase-1, the average of the 2 significance indices (uniqueness and discrimination capability) is not calculated as the significance lies in the complementary sub-bands. Thus, the four feature matrices (energy, entropy feature matrices of the statistical and biological-ROI phases, as listed in Section 3.1) are feature reduced using (11) and (12). The number of features selected out of these feature matrices are 23, 17, 3, 39, respectively.…”
Section: Feature Reductionmentioning
confidence: 99%
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“…Like the entropy features of phase-1, the average of the 2 significance indices (uniqueness and discrimination capability) is not calculated as the significance lies in the complementary sub-bands. Thus, the four feature matrices (energy, entropy feature matrices of the statistical and biological-ROI phases, as listed in Section 3.1) are feature reduced using (11) and (12). The number of features selected out of these feature matrices are 23, 17, 3, 39, respectively.…”
Section: Feature Reductionmentioning
confidence: 99%
“…Totally, 49% of the entropy features of the biological-ROI phase are significant giving an insight that the entropy is significant in the biological-ROI phase. The entropy difference as in (11) varies significantly between the detailed coefficient sub-bands of the same image. In other word, the entropy features of the detailed co-efficient sub-bands are unique.…”
Section: Analysis About the Entropy Feature Matrix Of The Biological-mentioning
confidence: 99%
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“…Also, the results of comparison for various wavelet thresholding selections with different level of decomposition for each GPS and INS component where exposed in [9]. 44 The research of the wavelet method upon the INS/GPS systems led to different tandems such as wavelet multiresolution analysis algorithm -based on genetic algorithm ( [10]), or wavelet multi-resolution analysis and artificial neural networks ( [11]).…”
Section: IIImentioning
confidence: 99%
“…For a detailed definition of all the CONTACT Elder M. Hemerly hemerly@ita.br parameters in this stochastic model, see IEEEStd 952-1997IEEEStd 952- (1998, which also recommends the Allan Variance method for experimentally obtaining these parameters. This model can then be used, for instance, to implement INS-based navigators, such as in Hasan, Samsudin, and Ramli (2011) and Wang, Wang, Liang, Zhang, and Zhou (2013). A comprehensive example of the classical approach for stochastic error modelling, based on Allan Variance analysis, is Petkov and Slavov (2010).…”
Section: Introductionmentioning
confidence: 99%