Least squares parameter estimation and multi-innovation least squares methods for linear fitting problems from noisy data

F Ding - Journal of Computational and Applied Mathematics, 2023 - Elsevier
Least squares is an important method for solving linear fitting problems and quadratic
optimization problems. This paper explores the properties of the least squares methods and …

Human activity recognition based on multienvironment sensor data

Y Li, G Yang, Z Su, S Li, Y Wang - Information Fusion, 2023 - Elsevier
With the development of artificial intelligence and the broad application of sensors, human
activity recognition (HAR) technologies based on noninvasive environmental sensors have …

Separable synthesis gradient estimation methods and convergence analysis for multivariable systems

L Xu, F Ding - Journal of Computational and Applied Mathematics, 2023 - Elsevier
This paper studies the parameter identification problem for a large-scale multivariable
systems. In terms of the identification obstacle causing by huge amounts of parameters of …

Endoscope image mosaic based on pyramid ORB

Z Zhang, L Wang, W Zheng, L Yin, R Hu… - … Signal Processing and …, 2022 - Elsevier
The primary method of endoscopic image mosaics seamlessly mosaics several continuous
and overlapping endoscopic images to have a broader vision and clearer images. The key …

Parameter estimation for nonlinear functions related to system responses

L Xu - International Journal of Control, Automation and …, 2023 - Springer
This paper considers the parameter estimation problem of nonlinear models, which are
related to the impulse or step response functions of linear time-invariant (LTI) dynamical …

Hierarchical recursive least squares estimation algorithm for secondorder Volterra nonlinear systems

J Pan, S Liu, J Shu, X Wan - … Journal of Control, Automation and Systems, 2022 - Springer
This paper considers the parameter identification problems of a Volterra nonlinear system. In
order to overcome the excessive calculation amount of the Volterra systems, a hierarchical …

Partially-coupled nonlinear parameter optimization algorithm for a class of multivariate hybrid models

Y Zhou, X Zhang, F Ding - Applied Mathematics and Computation, 2022 - Elsevier
A key to the analysis and design of a dynamic system is to establish a suitable mathematical
model of the system. This paper investigates the parameter optimization problem of a class …

Three‐stage forgetting factor stochastic gradient parameter estimation methods for a class of nonlinear systems

Y Ji, Z Kang - International Journal of Robust and Nonlinear …, 2021 - Wiley Online Library
This article focuses on the parameter estimation for a class of nonlinear systems, that is,
multi‐input single‐output or two‐input single‐output Hammerstein finite impulse response …

Auxiliary model multiinnovation stochastic gradient parameter estimation methods for nonlinear sandwich systems

L Xu, F Ding, E Yang - … Journal of Robust and Nonlinear Control, 2021 - Wiley Online Library
This article studies the identification problem of the nonlinear sandwich systems. For the
sandwich system, because there are inner variables which cannot be measured in the …

SLAM; definition and evolution

H Taheri, ZC Xia - Engineering Applications of Artificial Intelligence, 2021 - Elsevier
Abstract Simultaneous Localization and Mapping (SLAM) is a key problem in the field of
Artificial Intelligence and mobile robotics that addresses the problem of localization and …