RADAR HRRP STATISTICAL RECOGNITION WITH LOCAL FACTOR ANALYSIS BY AUTOMATIC BAYESIAN YING YANG HARMONY LEARNING
Refereed conference paper presented and published in conference proceedings


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AbstractRadar high-resolution range profiles (HRRPs) are typical high-dimensional non-Gaussian and inter-dimensional dependently distributed data, the statistical modelling of which is a challenging task for HRRP based target recognition. Considering the inter-dimensional dependence, a recent work [1] applied Factor Analysis (FA) to model radar HRRP data and showed promising recognition results, which however still restricts to Gaussian distribution. This paper aims to simultaneously consider the inter-dimensional dependence and the non-Gaussian distribution, by using Local Factor Analysis (LFA) model. For not only learning parameters but also appropriately selecting the component number and local hidden dimensionalities, we adopt the automatic Bayesian Ying-Yang (BYY) harmony learning, in order to relieve the extensive computation and inaccurate evaluation encountered in the conventional two-phase implementation. Moreover, a heuristic aspect-frame partition is implemented based on the BYY harmony criterion rather than AIC or BIC in the previous work, to tackle the radar HRRP's target-aspect sensitivity. Experiments show improved recognition performances over [1] on the same measured HRRP dataset, i.e., for both equal interval and heuristic aspect-frame partitions, LFA automatically learned by BYY always outperforms FA selected by a two-phase procedure with either AIC or BIC.
All Author(s) ListShi L, Wang PH, Liu HW, Xu L, Bao Z
Name of Conference2010 IEEE International Conference on Acoustics, Speech, and Signal Processing
Start Date of Conference14/03/2010
End Date of Conference19/03/2010
Place of ConferenceDallas
Country/Region of ConferenceUnited States of America
Detailed descriptionorganized by IEEE,
Year2010
Month1
Day1
PublisherIEEE
Pages1878 - 1881
eISBN978-1-4244-4296-6
ISSN1520-6149
LanguagesEnglish-United Kingdom
Keywordsautomatic model selection; BYY harmony learning; heuristic aspect-frame partition; HRRP; inter-dimensional dependence; non-Gaussian; sensitivity
Web of Science Subject CategoriesAcoustics; Computer Science; Computer Science, Theory & Methods; Engineering; Engineering, Electrical & Electronic

Last updated on 2021-19-02 at 23:54