Search Results for author: Gustaf Hendeby

Found 15 papers, 4 papers with code

Adaptive Basis Function Selection for Computationally Efficient Predictions

1 code implementation14 Aug 2024 Anton Kullberg, Frida Viset, Isaac Skog, Gustaf Hendeby

Basis Function (BF) expansions are a cornerstone of any engineer's toolbox for computational function approximation which shares connections with both neural networks and Gaussian processes.

Gaussian Processes

Joint State and Parameter Estimation Using the Partial Errors-in-Variables Principle

no code implementations1 Jul 2024 Peng Liu, Kailai Li, Gustaf Hendeby, Fredrik Gustafsson

This letter proposes a new method for joint state and parameter estimation in uncertain dynamical systems.

regression

On the Relationship Between Iterated Statistical Linearization and Quasi-Newton Methods

no code implementations14 Sep 2023 Anton Kullberg, Martin A. Skoglund, Isaac Skog, Gustaf Hendeby

This letter investigates relationships between iterated filtering algorithms based on statistical linearization, such as the iterated unscented Kalman filter (IUKF), and filtering algorithms based on quasi-Newton (QN) methods, such as the QN iterated extended Kalman filter (QN-IEKF).

Unified Linearization-based Nonlinear Filtering

no code implementations14 Sep 2023 Anton Kullberg, Isaac Skog, Gustaf Hendeby

This letter shows that the following three classes of recursive state estimation filters: standard filters, such as the extended Kalman filter; iterated filters, such as the iterated unscented Kalman filter; and dynamically iterated filters, such as the dynamically iterated posterior linearization filters; can be unified in terms of a general algorithm.

Tightly Integrated Motion Classification and State Estimation in Foot-Mounted Navigation Systems

1 code implementation16 May 2023 Isaac Skog, Gustaf Hendeby, Manon Kok

A framework for tightly integrated motion mode classification and state estimation in motion-constrained inertial navigation systems is presented.

Position

Using Received Power in Microphone Arrays to Estimate Direction of Arrival

no code implementations4 May 2023 Gustav Zetterqvist, Fredrik Gustafsson, Gustaf Hendeby

Conventional direction of arrival (DOA) estimators are based on array processing using either time differences or beamforming.

Track-To-Track Association for Fusion of Dimension-Reduced Estimates

no code implementations1 Mar 2023 Robin Forsling, Zoran Sjanic, Fredrik Gustafsson, Gustaf Hendeby

In this work we propose a novel problem formalization where estimates are reduced based on association performance.

Iterated Filters for Nonlinear Transition Models

no code implementations27 Feb 2023 Anton Kullberg, Isaac Skog, Gustaf Hendeby

A new class of iterated linearization-based nonlinear filters, dubbed dynamically iterated filters, is presented.

Decentralized State Estimation In A Dimension-Reduced Linear Regression

1 code implementation13 Oct 2022 Robin Forsling, Fredrik Gustafsson, Zoran Sjanic, Gustaf Hendeby

The exchanged estimates are dimension-reduced to reduce the communication load using a linear mapping to a lower-dimensional space.

Dimensionality Reduction regression

Framework for Network-Constrained Tracking of Cyclists and Pedestrians

no code implementations2 Mar 2022 Alphonse Vial, Gustaf Hendeby, Winnie Daamen, Bart van Arem, Serge Hoogendoorn

This paper proposes a new method for advanced traffic applications, tracking an unknown and varying number of moving targets (e. g., pedestrians or cyclists) constrained by a road network, using mobile (e. g., vehicles) spatially distributed sensor platforms.

Inertial Navigation Using an Inertial Sensor Array

1 code implementation28 Jan 2022 Håkan Carlsson, Isaac Skog, Gustaf Hendeby, Joakim Jaldén

We present a comprehensive framework for fusing measurements from multiple and generally placed accelerometers and gyroscopes to perform inertial navigation.

Numerical Integration State Space Models

PMBM filter with partially grid-based birth model with applications in sensor management

no code implementations19 Mar 2021 Per Boström-Rost, Daniel Axehill, Gustaf Hendeby

Whereas conventional PMBM filter implementations typically use Gaussian mixtures to model the intensity of undetected targets, the proposed representation allows the intensity to vary over the region of interest with sharp edges around the sensor's field of view, without using a large number of Gaussian mixture components.

Management

Online Joint State Inference and Learning of Partially Unknown State-Space Models

no code implementations15 Feb 2021 Anton Kullberg, Isaac Skog, Gustaf Hendeby

The method uses an extended Kalman filter approach to jointly estimate the state of the system and learn the unknown system dynamics, via the parameters of the basis function expansion.

State Space Models

Asynchronous Averaging of Gait Cycles for Classification of Gait and Device Modes

no code implementations4 Jul 2019 Parinaz Kasebzadeh, Gustaf Hendeby, Fredrik Gustafsson

An approach for computing unique gait signature using measurements collected from body-worn inertial measurement units (IMUs) is proposed.

Classification General Classification

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