Skip to Content
You are currently on the new version of our website. Access the old version .

30,786 Results Found

  • Article
  • Open Access
4 Citations
1,862 Views
22 Pages

Decomposed Multilateral Filtering for Accelerating Filtering with Multiple Guidance Images

  • Haruki Nogami,
  • Yamato Kanetaka,
  • Yuki Naganawa,
  • Yoshihiro Maeda and
  • Norishige Fukushima

19 January 2024

This paper proposes an efficient algorithm for edge-preserving filtering with multiple guidance images, so-called multilateral filtering. Multimodal signal processing for sensor fusion is increasingly important in image sensing. Edge-preserving filte...

  • Article
  • Open Access
15 Citations
4,181 Views
19 Pages

21 October 2019

Because of the complex task environment, long working distance, and random drift of the gyro, the positioning error gradually diverges with time in the design of a strapdown inertial navigation system (SINS)/Doppler velocity log (DVL) integrated posi...

  • Article
  • Open Access
3,136 Views
21 Pages

Filtering Statistics on Networks

  • G. J. Baxter,
  • R. A. da Costa,
  • S. N. Dorogovtsev and
  • J. F. F. Mendes

13 October 2020

Compression, filtering, and cryptography, as well as the sampling of complex systems, can be seen as processing information. A large initial configuration or input space is nontrivially mapped to a smaller set of output or final states. We explored t...

  • Article
  • Open Access
9 Citations
3,014 Views
15 Pages

On the Problem of Double-Filtering in PPP-RTK

  • A. Khodabandeh,
  • P. J. G. Teunissen and
  • D. Psychas

26 December 2022

To obtain single-receiver Global Navigation Satellite System (GNSS) parameter solutions, the PPP-RTK user-filter combines measurements with time-correlated corrections that are separately computed by the filter of an external provider. The consequenc...

  • Article
  • Open Access
7,972 Views
10 Pages

1 polynomial trend filtering, which is a filtering method described as an 1-norm penalized least-squares problem, is promising because it enables the estimation of a piecewise polynomial trend in a univariate economic time series without prespecify...

  • Article
  • Open Access
3 Citations
4,073 Views
14 Pages

Enhancing Recommender System with Collaborative Filtering and User Experiences Filtering

  • Silvana Vanesa Aciar,
  • Ramon Fabregat,
  • Teodor Jové and
  • Gabriela Aciar

14 December 2021

Recommender systems have become an essential part in many applications and websites to address the information overload problem. For example, people read opinions about recommended products before buying them. This action is time-consuming due to the...

  • Review
  • Open Access
3,069 Views
15 Pages

5 November 2025

This paper provides a comprehensive review of recent advancements in radio-frequency (RF) multifunctional components with integrated filtering characteristics, including tunable filtering attenuators, filtering power dividers, filtering couplers, and...

  • Article
  • Open Access
1 Citations
3,633 Views
9 Pages

This study describes the need to improve the weak filtering method for the in-loop filter process used identically in versatile video coding (VVC) and high efficiency video coding (HEVC). The weak filtering process used by VVC has been adopted and ma...

  • Article
  • Open Access
3 Citations
2,030 Views
19 Pages

Velocity Filtering Using Quantum 3D FFT

  • Georgia Koukiou and
  • Vassilis Anastassopoulos

In this work, the quantum version of 3D FFT is proposed for constructing velocity filters. Velocity filters are desirable when we need to separate moving objects with a specific velocity range in amplitude and direction in a rapidly changing backgrou...

  • Article
  • Open Access
24 Citations
6,903 Views
26 Pages

Effective Implementation of Edge-Preserving Filtering on CPU Microarchitectures

  • Yoshihiro Maeda,
  • Norishige Fukushima and
  • Hiroshi Matsuo

19 October 2018

In this paper, we propose acceleration methods for edge-preserving filtering. The filters natively include denormalized numbers, which are defined in IEEE Standard 754. The processing of the denormalized numbers has a higher computational cost than n...

  • Article
  • Open Access
2,702 Views
15 Pages

Stereo Matching Method with Cost Volume Collaborative Filtering

  • Wenhuan Wu,
  • Xi Xu,
  • Wenshu Wang and
  • Haokun Zhang

Aiming at the problem of matching ambiguity and low disparity accuracy at the object boundary in stereo matching, a novel stereo matching algorithm with cost volume collaborative filtering is proposed. Firstly, for each pixel, two support windows are...

  • Article
  • Open Access
8 Citations
7,376 Views
17 Pages

12 February 2009

An important problem in applied science is the continuous nonlinear filtering problem, i.e., the estimation of a Langevin state that is observed indirectly. In this paper, it is shown that Euclidean quantum mechanics is closely related to the continu...

  • Review
  • Open Access
13 Citations
6,085 Views
14 Pages

Review of the Applications of Kalman Filtering in Quantum Systems

  • Kezhao Ma,
  • Jia Kong,
  • Yihan Wang and
  • Xiao-Ming Lu

22 November 2022

State variable and parameter estimations are important for signal sensing and feedback control in both traditional engineering systems and quantum systems. The Kalman filter, which is one of the most popular signal recovery techniques in classical sy...

  • Technical Note
  • Open Access
3 Citations
2,671 Views
14 Pages

Application of Combined Filtering in Thunder Recognition

  • Yao Wang,
  • Jing Yang,
  • Qilin Zhang,
  • Jinquan Zeng,
  • Boyi Mu,
  • Junzhi Du,
  • Zhekai Li,
  • Yuhui Shao,
  • Jialei Wang and
  • Zhouxin Li

11 January 2023

Thunder recognition is of great interest in lightning detection and physics and is widely used in short-range lightning location. However, due to the complexity of thunder, any single filtering method that is used in traditional speech noise reductio...

  • Review
  • Open Access
2 Citations
1,499 Views
34 Pages

19 October 2025

Nonlinear filtering algorithms have significant implications in the optimal estimation of navigation states and in improving the accuracy, reliability, and robustness of navigation systems. This manuscript surveys the developments of the nonlinear fi...

  • Article
  • Open Access
2 Citations
2,968 Views
12 Pages

8 June 2022

In recent years, the electrostatic-fabric integrated precipitator has been widely used, and the dust filtration performance of the core component filter bag is the most important factor affecting its dust removal efficiency. In this work, the dynamic...

  • Article
  • Open Access
11 Citations
2,987 Views
31 Pages

6 September 2024

The trajectory estimation of a highly maneuvering target is a challenging problem and has practical applications. The interacting multiple model (IMM) filter is a well-established filtering algorithm for the trajectory estimation of maneuvering targe...

  • Article
  • Open Access
12 Citations
5,178 Views
19 Pages

Bayesian Nonlinear Filtering via Information Geometric Optimization

  • Yubo Li,
  • Yongqiang Cheng,
  • Xiang Li,
  • Hongqiang Wang,
  • Xiaoqiang Hua and
  • Yuliang Qin

1 December 2017

In this paper, Bayesian nonlinear filtering is considered from the viewpoint of information geometry and a novel filtering method is proposed based on information geometric optimization. Under the Bayesian filtering framework, we derive a relationshi...

  • Article
  • Open Access
5 Citations
5,508 Views
21 Pages

Information Geometric Approach to Recursive Update in Nonlinear Filtering

  • Yubo Li,
  • Yongqiang Cheng,
  • Xiang Li,
  • Xiaoqiang Hua and
  • Yuliang Qin

26 January 2017

The measurement update stage in the nonlinear filtering is considered in the viewpoint of information geometry, and the filtered state is considered as an optimization estimation in parameter space has been corresponded with the iteration in the stat...

  • Article
  • Open Access
7 Citations
4,045 Views
13 Pages

The task of determining the distance from one object to another is one of the important tasks solved in robotics systems. Conventional algorithms rely on an iterative process of predicting distance estimates, which results in an increased computation...

  • Article
  • Open Access
1 Citations
1,125 Views
20 Pages

Stochastic H Filtering of the Attitude Quaternion

  • Daniel Choukroun,
  • Lotan Cooper and
  • Nadav Berman

13 December 2024

Several stochastic H filters for estimating the attitude of a rigid body from line-of-sight measurements and rate gyro readings are developed. The measurements are corrupted by white noise with unknown variances. Our approach consists of estim...

  • Review
  • Open Access
64 Citations
6,428 Views
26 Pages

A Review of Recent Advances in Fractional-Order Sensing and Filtering Techniques

  • Cristina I. Muresan,
  • Isabela R. Birs,
  • Eva H. Dulf,
  • Dana Copot and
  • Liviu Miclea

2 September 2021

The present manuscript aims at raising awareness of the endless possibilities of fractional calculus applied not only to system identification and control engineering, but also into sensing and filtering domains. The creation of the fractance device...

  • Article
  • Open Access
7 Citations
2,019 Views
30 Pages

This work proposes an analytical design procedure for a particular class of 2D filters, namely anisotropic Gaussian FIR filters. The design is achieved in the frequency domain and starts from a low-pass Gaussian 1D prototype with imposed specificatio...

  • Article
  • Open Access
3 Citations
2,824 Views
25 Pages

31 December 2024

This paper examines the performance of Bayesian filtering system identification in the context of nonlinear structural and mechanical systems. The objective is to assess the accuracy and limitations of the four most well-established filtering-based p...

  • Article
  • Open Access
22 Citations
6,338 Views
14 Pages

Filtering Techniques for Chaotic Signal Processing

  • Denis Butusov,
  • Timur Karimov,
  • Alexander Voznesenskiy,
  • Dmitry Kaplun,
  • Valery Andreev and
  • Valerii Ostrovskii

19 December 2018

The vulnerability of chaotic communication systems to noise in transmission channel is a serious obstacle for practical applications. Traditional signal processing techniques provide only limited possibilities for efficient filtering broadband chaoti...

  • Proceeding Paper
  • Open Access
2 Citations
2,265 Views
24 Pages

Filtering Capability of Porous Pavements

  • Liseane Padilha Thives,
  • Enedir Ghisi,
  • Douglas G. Brecht and
  • Dario M. Pires

16 November 2017

The objective of this study is to assess the filtering capability of porous pavement models and the quality of rainwater and stormwater filtered by such models. Three slabs of porous asphalt mixtures and two systems composed of porous layers that res...

  • Article
  • Open Access
2,697 Views
15 Pages

Digital filtering is a fundamental technique in digital signal processing, which operates on a digital sequence without any information on how the sequence was generated. This paper proposes a methodology for designing the equivalent of digital filte...

  • Review
  • Open Access
36 Citations
9,309 Views
19 Pages

Cellulose for the Production of Air-Filtering Systems: A Critical Review

  • Martina Lippi,
  • Laura Riva,
  • Manfredi Caruso and
  • Carlo Punta

27 January 2022

The control of airborne contaminants is of great interest in improving air quality, which has deteriorated more and more in recent years due to strong industrial growth. In the last decades, cellulose has been largely proposed as suitable feedstock t...

  • Article
  • Open Access
8 Citations
3,112 Views
23 Pages

Research on Kinematic and Static Filtering of the ESKF Based on INS/GNSS/UWB

  • Zongbin Ren,
  • Songlin Liu,
  • Jun Dai,
  • Yunzhu Lv and
  • Yun Fan

14 May 2023

With the widespread development of multiple sensors for UGVs, the multi-source fusion-navigation system, which overcomes the limitations of the use of a single sensor, is becoming increasingly important in the field of autonomous navigation for UGVs....

  • Article
  • Open Access
7 Citations
4,440 Views
17 Pages

Contextualized Filtering for Shared Cyber Threat Information

  • Athanasios Dimitriadis,
  • Christos Prassas,
  • Jose Luis Flores,
  • Boonserm Kulvatunyou,
  • Nenad Ivezic,
  • Dimitris A. Gritzalis and
  • Ioannis K. Mavridis

18 July 2021

Cyber threat information sharing is an imperative process towards achieving collaborative security, but it poses several challenges. One crucial challenge is the plethora of shared threat information. Therefore, there is a need to advance filtering o...

  • Communication
  • Open Access
3 Citations
2,696 Views
22 Pages

19 February 2021

There are three state estimation fusion methods for a class of strong nonlinear measurement systems, based on the characteristic function filter, namely the centralized filter, parallel filter, and sequential filter. Under ideal communication conditi...

  • Article
  • Open Access
3 Citations
1,439 Views
12 Pages

15 December 2024

Frequency-selective surfaces (FSSs) have attracted great attention owing to their unique feature to manipulate transmission performance over the frequency domain. In this work, a filtering antenna-filtering antenna (FA-FA) FSS with a wide passband an...

  • Article
  • Open Access
2 Citations
3,410 Views
16 Pages

This article presents the smoothed shock filter, which iteratively produces local segmentations in image’s inflection zones with smoothed morphological operators (dilations, erosions). Hence, it enhances contours by creating smoothed ruptures, while...

  • Article
  • Open Access
27 Citations
7,310 Views
16 Pages

26 May 2020

The early visual system is composed of spatial frequency-tuned channels that break an image into its individual frequency components. Therefore, researchers commonly filter images for spatial frequencies to arrive at conclusions about the differentia...

  • Article
  • Open Access
5 Citations
3,107 Views
15 Pages

Polarimetric SAR Speckle Filtering Using a Nonlocal Weighted LMMSE Filter

  • Yinbin Shen,
  • Xiaoshuang Ma,
  • Shengyuan Zhu and
  • Jiangong Xu

6 November 2021

Despeckling is a key preprocessing step for applications using PolSAR data in most cases. In this paper, a technique based on a nonlocal weighted linear minimum mean-squared error (NWLMMSE) filter is proposed for polarimetric synthetic aperture radar...

  • Article
  • Open Access
1 Citations
2,835 Views
12 Pages

Low-Pass Filtering Method for Poisson Data Time Series

  • Victor Getmanov,
  • Vladislav Chinkin,
  • Roman Sidorov,
  • Alexei Gvishiani,
  • Mikhail Dobrovolsky,
  • Anatoly Soloviev,
  • Anna Dmitrieva,
  • Anna Kovylyaeva,
  • Nataliya Osetrova and
  • Igor Yashin

15 May 2021

Problems of digital processing of Poisson-distributed data time series from various counters of radiation particles, photons, slow neutrons etc. are relevant for experimental physics and measuring technology. A low-pass filtering method for normalize...

  • Article
  • Open Access
7 Citations
4,018 Views
20 Pages

28 June 2022

Filtering for GRACE temporal gravity fields is a necessary step before calculating surface mass anomalies. In this study, we propose a new denoising and decorrelation kernel (DDK) filtering scheme called adaptive DDK filter. The involved error covari...

  • Article
  • Open Access
5 Citations
2,685 Views
14 Pages

Local Adaptive Image Filtering Based on Recursive Dilation Segmentation

  • Jialiang Zhang,
  • Chuheng Chen,
  • Kai Chen,
  • Mingye Ju and
  • Dengyin Zhang

21 June 2023

This paper introduces a simple but effective image filtering method, namely, local adaptive image filtering (LAIF), based on an image segmentation method, i.e., recursive dilation segmentation (RDS). The algorithm is motivated by the observation that...

  • Article
  • Open Access
7 Citations
4,578 Views
29 Pages

13 June 2019

In this article, we propose two effective frameworks for hyperspectral imagery classification based on spatial filtering in Discrete Cosine Transform (DCT) domain. In the proposed approaches, spectral DCT is performed on the hyperspectral image to ob...

  • Article
  • Open Access
31 Citations
4,958 Views
27 Pages

Tensor-Based Adaptive Filtering Algorithms

  • Laura-Maria Dogariu,
  • Cristian-Lucian Stanciu,
  • Camelia Elisei-Iliescu,
  • Constantin Paleologu,
  • Jacob Benesty and
  • Silviu Ciochină

15 March 2021

Tensor-based signal processing methods are usually employed when dealing with multidimensional data and/or systems with a large parameter space. In this paper, we present a family of tensor-based adaptive filtering algorithms, which are suitable for...

  • Article
  • Open Access
6 Citations
3,761 Views
20 Pages

Kalman Filter Implementation of Subglottal Impedance-Based Inverse Filtering to Estimate Glottal Airflow during Phonation

  • Juan P. Cortés,
  • Gabriel A. Alzamendi,
  • Alejandro J. Weinstein,
  • Juan I. Yuz,
  • Víctor M. Espinoza,
  • Daryush D. Mehta,
  • Robert E. Hillman and
  • Matías Zañartu

31 December 2021

Subglottal Impedance-Based Inverse Filtering (IBIF) allows for the continuous, non-invasive estimation of glottal airflow from a surface accelerometer placed over the anterior neck skin below the larynx. It has been shown to be advantageous for the a...

  • Article
  • Open Access
1 Citations
1,398 Views
21 Pages

Speckle Noise Reduction in Digital Holography by 3D Adaptive Filtering

  • Andrey A. Kerov,
  • Alexander V. Kozlov,
  • Pavel A. Cheremkhin,
  • Anna V. Shifrina,
  • Rostislav S. Starikov,
  • Evgenii Y. Zlokazov,
  • Elizaveta K. Petrova,
  • Vsevolod A. Nebavskiy and
  • Nikolay N. Evtikhiev

1 September 2025

Digital holography enables the reconstruction of both 2D and 3D object information from interference patterns captured by digital cameras. A major challenge in this field is speckle noise, which significantly degrades the quality of the reconstructed...

  • Article
  • Open Access
25 Citations
11,172 Views
19 Pages

Efficient Lane Boundary Detection with Spatial-Temporal Knowledge Filtering

  • Zhixiong Nan,
  • Ping Wei,
  • Linhai Xu and
  • Nanning Zheng

12 August 2016

Lane boundary detection technology has progressed rapidly over the past few decades. However, many challenges that often lead to lane detection unavailability remain to be solved. In this paper, we propose a spatial-temporal knowledge filtering model...

  • Article
  • Open Access
24 Citations
8,025 Views
17 Pages

Filtering Capability of Porous Asphalt Pavements

  • Liseane Padilha Thives,
  • Enedir Ghisi,
  • Douglas Gherardt Brecht and
  • Dario Menegasso Pires

15 February 2018

The objective of this study is to assess the filtering capability of porous asphalt pavement models and the quality of rainwater filtered by such models. Three slabs of porous asphalt mixtures and two models composed of porous layers that resulted in...

  • Article
  • Open Access
84 Citations
12,681 Views
17 Pages

Filtering Biomechanical Signals in Movement Analysis

  • Francesco Crenna,
  • Giovanni Battista Rossi and
  • Marta Berardengo

4 July 2021

Biomechanical analysis of human movement is based on dynamic measurements of reference points on the subject’s body and orientation measurements of body segments. Collected data include positions’ measurement, in a three-dimensional space. Signal enh...

  • Article
  • Open Access
19 Citations
5,700 Views
19 Pages

Feature-Based Nonlocal Polarimetric SAR Filtering

  • Xiaoli Xing,
  • Qihao Chen,
  • Shuai Yang and
  • Xiuguo Liu

13 October 2017

Polarimetric synthetic aperture radar (PolSAR) images are inherently contaminated by multiplicative speckle noise, which complicates the image interpretation and image analyses. To reduce the speckle effect, several adaptive speckle filters have been...

  • Article
  • Open Access
5 Citations
3,156 Views
9 Pages

Spatial Beam Filtering with Autocloned Photonic Crystals

  • Pei-Yu Wang,
  • Yi-Chen Lai and
  • Yu-Chieh Cheng

8 November 2019

We have been numerically demonstrated the mechanism of spatial beam filtering with autocloned photonic crystals. The spatial filtering through different configurations of the multilayered structures based on a harmonically modulated substrate profile...

  • Article
  • Open Access
3,281 Views
9 Pages

2 February 2023

This article compares the visual performance of a violet light-filtering colored lens (ZCB00V) and blue light-filtering intraocular lens (IOL; SN60WF) before and after modifying the manufacturing process for glistening suppression. In this retrospect...

of 616