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Joint Smoothing, Tracking, and Forecasting Based on Continuous-Time Target Trajectory Fitting

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Title:
Joint Smoothing, Tracking, and Forecasting Based on Continuous-Time Target Trajectory Fitting.
Authors: 
Li, Tiancheng; Chen, Huimin ; Bajo Pérez, Javier; Corchado Rodríguez, Juan M.
Journal:
IEEE Trans. Automation Science and Engineering.

Publication date: 
7 August 2017
ISSN: 
1545-5955
Link
 https://arxiv.org/abs/1708.02196

BibTex

@article { article,
title = {Joint Smoothing, Tracking, and Forecasting Based on Continuous-Time Target Trajectory Fitting},
author = {Li, Tiancheng; Chen, Huimin ; Bajo Pérez, Javier; Corchado Rodríguez, Juan M.},
journal = { IEEE Trans. Automation Science and Engineering},
year = {2017}
}

XML

<article key='journals//Li,/7 August 2017' mdate='7 August 2017'>
<author> Li</author>
<author> Tiancheng; Chen</author>
<author> Huimin ; Bajo Pérez</author>
<author> Javier; Corchado Rodríguez</author>
<author> Juan M.</author>
<title> Joint Smoothing, Tracking, and Forecasting Based on Continuous-Time Target Trajectory Fitting</title>
<year> 2017</year>
<journal> IEEE Trans. Automation Science and Engineering</journal>
<url> https://arxiv.org/abs/1708.02196</url>
</article>
Evidences of quality:
JCR (2016): 3,502
AUTOMATION & CONTROL SYSTEM 10/60 (Q1)

We present a continuous time state estimation framework that unifies traditionally individual tasks of smoothing, tracking, and forecasting (STF), for a class of targets subject to smooth motion processes, e.g., the target moves with nearly constant acceleration or affected by insignificant noises. Fundamentally different from the conventional Markov transition formulation, the state process is modeled by a continuous trajectory function of time (FoT) and the STF problem is formulated as an online data fitting problem with the goal of finding the trajectory FoT that best fits the observations in a sliding time-window. Then, the state of the target, whether the past (namely, smoothing), the current (filtering) or the near-future (forecasting), can be inferred from the FoT. Our framework releases stringent statistical modeling of the target motion in real time, and is applicable to a broad range of real world targets of significance such as passenger aircraft and ships which move on scheduled, (segmented) smooth paths but little statistical knowledge is given about their real time movement and even about the sensors. In addition, the proposed STF framework inherits the advantages of data fitting for accommodating arbitrary sensor revisit time, target maneuvering and missed detection. The proposed method is compared with state of the art estimators in scenarios of either maneuvering or non-maneuvering target

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