• No results found

Nonlinear Filtering

Evaluation of nonlinear filtering for radar data tracking

Evaluation of nonlinear filtering for radar data tracking

... linear filtering becomes more and more difficult to satisfy the demands of radar tracking, while nonlinear filtering can solve problems such as non-Gaussian ...of nonlinear filtering ...

9

The Application and Analysis of Nonlinear Filtering Used in GPS Dynamic Positioning

The Application and Analysis of Nonlinear Filtering Used in GPS Dynamic Positioning

... is nonlinear, and the observation noise is gaussian white noise, so the traditional linear kalman filtering methods cannot be applied to the GPS dynamic positioning, to take advantage of nonlinear ...

7

Image Noise Reduction Using Linear and Nonlinear Filtering Techniques

Image Noise Reduction Using Linear and Nonlinear Filtering Techniques

... Abstract— Noise is always presents in digital images during image capturing, coding, transmission, and processing steps. The performance of imaging sensors is affected by a variety of factors, such as environmental ...

6

Stochastic Particle Flow for Nonlinear High-Dimensional Filtering Problems

Stochastic Particle Flow for Nonlinear High-Dimensional Filtering Problems

... to nonlinear filtering ...important nonlinear high-dimensional filtering ...the filtering density of ...new filtering technique, which we call Stochastic Particle Flow, has ...

79

Credit Risk and Nonlinear Filtering: Computational Aspects and Empirical Evidence

Credit Risk and Nonlinear Filtering: Computational Aspects and Empirical Evidence

... such as default probability leads to a nonlinear filtering problem. In all these cases, default becomes an inaccessible stopping time for the market, thus yielding a reduced form credit risk model. Duffie ...

120

A Particle Filtering Approach to Change Detection for Nonlinear Systems

A Particle Filtering Approach to Change Detection for Nonlinear Systems

... simulation-based nonlinear filtering ...simulation-based filtering, now known by many differ- ent names such as particle filtering (PAF) [7, 8], the con- densation algorithm [9], the sequential ...

11

A New Nonlinear Anisotropic – Wiener Method for Speckle Noise Reduction in Optical Coherence Tomography

A New Nonlinear Anisotropic – Wiener Method for Speckle Noise Reduction in Optical Coherence Tomography

... Then Nonlinear Anisotropic filtering of the Details coefficients improves the denoising efficiency and effectively preserves the edge ...a nonlinear filtering method that encourages diffusion ...

6

Multiuser Interference Mitigation in Noncoherent UWB Ranging via Nonlinear Filtering

Multiuser Interference Mitigation in Noncoherent UWB Ranging via Nonlinear Filtering

... performs nonlinear filtering on the received signal energy to mitigate multiuser interference (MUI), and we test it over time hopping and direct sequence impulse radio ultra-wideband ...that ...

10

Contribution in Information Signal Processing for Solving State Space Nonlinear Estimation Problems

Contribution in Information Signal Processing for Solving State Space Nonlinear Estimation Problems

... filtering algorithms exist but are not treated in this paper [5]. The most interesting and main idea introduced in this paper is to use the parallel solutions to Kalman filter and standard local filters which are ...

10

Time-Distributed Unknown Input Filtering for a Class of Nonlinear Systems

Time-Distributed Unknown Input Filtering for a Class of Nonlinear Systems

... Nonlinear filtering problems arise in many practical ap- plications, ...for nonlinear systems, ...some nonlinear terms have been ...the nonlinear function without any transformation ...

6

Robust INS/GPS Sensor Fusion for UAV Localization Using SDRE Nonlinear Filtering

Robust INS/GPS Sensor Fusion for UAV Localization Using SDRE Nonlinear Filtering

... INS/GPS filtering scheme based on SDRE technique for aerial (UAV) navigation problem and the global stability analysis developed for this SDRE nonlinear filtering ...SDRE nonlinear ...

11

Conditionally Suboptimal Filtering in Nonlinear Stochastic Differential System

Conditionally Suboptimal Filtering in Nonlinear Stochastic Differential System

... suboptimal nonlinear filtering is derived for a class of nonlinear discrete systems deter- mined by stochastic difference ...suboptimal nonlinear filtering. The suboptimal ...

7

A Hybrid De Noising Method on LASCA Images of Blood Vessels

A Hybrid De Noising Method on LASCA Images of Blood Vessels

... wiener filtering, nonlinear filtering and wavelet fusion, which de-noise the LASCA (LAser Speckle Contrast Analysis) image of blood vessels in Small ...de-noising filtering method is proposed ...

6

Mode Dependent Finite Time H∞ Filtering for Stochastic Nonlinear Systems with Markovian Switching

Mode Dependent Finite Time H∞ Filtering for Stochastic Nonlinear Systems with Markovian Switching

... stochastic nonlinear systems with Markovian ...the filtering error system have been presented and proved by the Lyapunov-Krasovski ...the filtering error system FTSS and satisfies a prescribed H ∞ ...

10

Event Triggered Based State Estimation for Autonomous Operation of an Aerial Robotic Vehicle

Event Triggered Based State Estimation for Autonomous Operation of an Aerial Robotic Vehicle

... general nonlinear non-Gaussian system on which particle filter is used for state- ...particle filtering (PF) method proposed in [1] has been employed for state estimation problem of the nonlinear ...

6

Posterior Linearization Filter: Principles and Implementation Using Sigma Points

Posterior Linearization Filter: Principles and Implementation Using Sigma Points

... Gaussian filtering update step, one possibility is to set the maximum a posteriori (MAP) estimator as the updated mean and obtain the updated covariance matrix by linearising the measurement function around the ...

13

Robust Model Free Software Sensors for the HIV/AIDS Infection Process

Robust Model Free Software Sensors for the HIV/AIDS Infection Process

... The Wiener ( frequency domain ) filtering . The origins of the filtering problem in discrete time can be traced back to the works [3] and [4]. In the continuous time case the first analysis of the optimal ...

20

Gaussian Convolution Filter and its Application to Tracking

Gaussian Convolution Filter and its Application to Tracking

... In this paper, we propose a new algorithm, namely the Gaussian convolution filter (GCF), which can overcome all the three drawbacks above. The GCF is based on the con- volution filtering concept, and it ...

5

Variance constrained filtering for nonlinear systems with randomly occurring quantized measurements: recursive scheme and boundedness analysis

Variance constrained filtering for nonlinear systems with randomly occurring quantized measurements: recursive scheme and boundedness analysis

... Over the past few years, the state estimation or filtering problems have been widely dis- cussed owing to its practical applications in various fields, such as in navigation system, dynamic positioning, tracking of objects ...

21

Sensor Fusion with Square Root Cubature Information Filtering

Sensor Fusion with Square Root Cubature Information Filtering

... The rest of the paper is organized as follows: Section 2 reviews information filtering in general. Section 3 de- rives the SCIF using the linear fusion theory and matrix algebra. In order to validate the ...

7

Show all 5505 documents...

Related subjects