NDLI: Quantile Coarsening Analysis of High-Volume Wearable Activity Data in a Longitudinal Observational Study

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Year: 2022, Volume: 22

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An Optimal Radial Basis Function Neural Network Enhanced Adaptive Robust Kalman Filter for GNSS/INS Integrated Systems in Complex Urban Areas

Time Slot Utilization for Efficient Multi-Channel MAC Protocol in VANETs

Automatic Calibration of Odometry and Robot Extrinsic Parameters Using Multi-Composite-Targets for a Differential-Drive Robot with a Camera

Improvement of Left Ventricular Ejection Time Measurement in the Impedance Cardiography Combined with the Reflection Photoplethysmography

Simple and Label-Free Fluorescent Detection of Melamine Based on Melamine–Thymine Recognition

Application of PZT Technology and Clustering Algorithm for Debonding Detection of Steel-UHPC Composite Slabs

Statistic Experience Based Adaptive One-Shot Detector (EAO) for Camera Sensing System

Avoiding Void Holes and Collisions with Reliable and Interference-Aware Routing in Underwater WSNs

Learning-Directed Dynamic Voltage and Frequency Scaling Scheme with Adjustable Performance for Single-Core and Multi-Core Embedded and Mobile Systems

HEAR: Approach for Heartbeat Monitoring with Body Movement Compensation by IR-UWB Radar

Design and Implementation of a Stereo Vision System on an Innovative 6DOF Single-Edge Machining Device for Tool Tip Localization and Path Correction

An All-Organic Flexible Visible Light Communication System

Ship Classification in High-Resolution SAR Images Using Deep Learning of Small Datasets

Smartwatch User Interface Implementation Using CNN-Based Gesture Pattern Recognition

Deep Learning-Based Caution Area Traffic Prediction with Automatic Identification System Sensor Data

Energy-Efficient Forest Fire Prediction Model Based on Two-Stage Adaptive Duty-Cycled Hybrid X-MAC Protocol

A Novel Parameter Estimation Method Based on a Tuneable Sigmoid in Alpha-Stable Distribution Noise Environments

Translational Acceleration, Rotational Speed, and Joint Angle of Patients Related to Correct/Incorrect Methods of Transfer Skills by Nurses

GNSS Trajectory Anomaly Detection Using Similarity Comparison Methods for Pedestrian Navigation

Development of Coplanar Electro-Wetting Based Microfluidic Sorter to Select Micro-Particles in High Volume Throughput at Milliliter Amount within Twenty Minutes

Characteristics and Temperature Compensation of Non-Dispersive Infrared (NDIR) Alcohol Gas Sensors According to Incident Light Intensity

Evaluating RGB Imaging and Multispectral Active and Hyperspectral Passive Sensing for Assessing Early Plant Vigor in Winter Wheat

Robust Directional Angle Estimation of Underwater Acoustic Sources Using a Marine Vehicle

Network Distance-Based Simulated Annealing and Fuzzy Clustering for Sensor Placement Ensuring Observability and Minimal Relative Degree

Target Tracking While Jamming by Airborne Radar for Low Probability of Detection

High-Fidelity Inhomogeneous Ground Clutter Simulation of Airborne Phased Array PD Radar Aided by Digital Elevation Model and Digital Land Classification Data

Unobtrusive Vital Sign Monitoring in Automotive Environments—A Review

An Invisible Salient Landmark Approach to Locating Pedestrians for Predesigned Business Card Route of Pedestrian Navigation

Transmission Optimization Metrics Setup Issues in the Field of Time Constrained Communications

Display in the Wild (DIW): An Adaptive Projection-Imaging System to Screen Geometry in Real Time

Multi-Robot Cyber Physical System for Sensing Environmental Variables of Transmission Line

DOA Estimation for Coprime Linear Array Based on MI-ESPRIT and Lookup Table

DM-MQTT: An Efficient MQTT Based on SDN Multicast for Massive IoT Communications

A Simple and Low-Cost Optical Fiber Intensity-Based Configuration for Perfluorinated Compounds in Water Solution

Multi-Parameter Sensing Device to Detect Liquid Layers Using Long-Period Fiber Gratings

On the Effects of InSAR Temporal Decorrelation and Its Implications for Land Cover Classification: The Case of the Ocean-Reclaimed Lands of the Shanghai Megacity

Signal Processing for Time Domain Wavelengths of Ultra-Weak FBGs Array in Perimeter Security Monitoring Based on Spark Streaming

A Multi-Sensor Matched Filter Approach to Robust Segmentation of Assisted Gait

Semi-Supervised Segmentation Framework Based on Spot-Divergence Supervoxelization of Multi-Sensor Fusion Data for Autonomous Forest Machine Applications

Thermomechanical Noise Characterization in Fully Monolithic CMOS-MEMS Resonators

Motion Artifact Correction of Multi-Measured Functional Near-Infrared Spectroscopy Signals Based on Signal Reconstruction Using an Artificial Neural Network

A Self-Adaptive Progressive Support Selection Scheme for Collaborative Wideband Spectrum Sensing

A System for In-Line 3D Inspection without Hidden Surfaces

Pixel-Wise Crack Detection Using Deep Local Pattern Predictor for Robot Application

Smartphone-Based Traveled Distance Estimation Using Individual Walking Patterns for Indoor Localization

Energy-Efficient Online Resource Management and Allocation Optimization in Multi-User Multi-Task Mobile-Edge Computing Systems with Hybrid Energy Harvesting

An Image Signal Accumulation Multi-Collection-Gate Image Sensor Operating at 25 Mfps with 32 × 32 Pixels and 1220 In-Pixel Frame Memory

A Hybrid Method Applied to Improve the Efficiency of Full-Waveform Inversion for Pavement Characterization

DroneTank: Planning UAVs' Flights and Sensors' Data Transmission under Energy Constraints

Integrated IMU with Faster R-CNN Aided Visual Measurements from IP Cameras for Indoor Positioning

Structured-Light Based 3D Reconstruction System for Cultural Relic Packaging

An Ontology-Based Cybersecurity Framework for the Internet of Things

Helicopter Test of a Strapdown Airborne Gravimetry System

Quantile Coarsening Analysis of High-Volume Wearable Activity Data in a Longitudinal Observational Study

Electrocomposite Developed with Chitosan and Ionic Liquids Using Screen-Printed Carbon Electrodes Useful to Detect Rutin in Tropical Fruits

New Multi-Keyword Ciphertext Search Method for Sensor Network Cloud Platforms

The Role of Proton Transport in Gating Current in a Voltage Gated Ion Channel, as Shown by Quantum Calculations

Dense RGB-D Semantic Mapping with Pixel-Voxel Neural Network

Electronic Systems Diagnosis Fault in Gasoline Engines Based on Multi-Information Fusion

Imaging Time Series for the Classification of EMI Discharge Sources

Fibre Bragg Grating Based Strain Sensors: Review of Technology and Applications

A Crop Classification Method Integrating GF-3 PolSAR and Sentinel-2A Optical Data in the Dongting Lake Basin

Efficient Interference Estimation with Accuracy Control for Data-Driven Resource Allocation in Cloud-RAN

Development of CdSe–ZnO Flower-Rod Core-Shell Structure Based Photoelectrochemical Biosensor for Detection of Norovirous RNA

The Effect of Pain Relief on Daily Physical Activity: In-Home Objective Physical Activity Assessment in Chronic Low Back Pain Patients after Paravertebral Spinal Block

Hyperspectral Image Classification with Capsule Network Using Limited Training Samples

Urban Planning and Smart City Decision Management Empowered by Real-Time Data Processing Using Big Data Analytics

Integrated Longitudinal and Lateral Networked Control System Design for Vehicle Platooning

Liquid Level Sensor Based on a V-Groove Structure Plastic Optical Fiber

A Fluorescent Cy7-Mercaptopyridine for the Selective Detection of Glutathione over Homocysteine and Cysteine

Target Recognition of SAR Images via Matching Attributed Scattering Centers with Binary Target Region

Evaluation of the Accuracy of Bathymetry on the Nearshore Coastlines of Western Korea from Satellite Altimetry, Multi-Beam, and Airborne Bathymetric LiDAR

Computer-Aided Approach for Rapid Post-Event Visual Evaluation of a Building Façade

Molecular Fingerprints of Hemoglobin on a Nanofilm Chip

Performance Analysis of IoT-Based Sensor, Big Data Processing, and Machine Learning Model for Real-Time Monitoring System in Automotive Manufacturing

From Signal to Image: Enabling Fine-Grained Gesture Recognition with Commercial Wi-Fi Devices

An Automatic User Activity Analysis Method for Discovering Latent Requirements: Usability Issue Detection on Mobile Applications

Magnetic Noise Prediction and Evaluation in Tunneling Magnetoresistance Sensors

Air-Coupled Excitation of a Slow A0 Mode Wave in Thin Plastic Films by an Ultrasonic PMN-32%PT Array

A Coalitional Formation Game for Physical Layer Security of Cooperative Compressive Sensing Multi-Relay Networks

Fractional-Order PID Control Strategy on Hydraulic-Loading System of Typical Electromechanical Platform

Future Spaces: Reinventing the Home Network for Better Security and Automation in the IoT Era

Performance Characterization of GNSS/IMU/DVL Integration under Real Maritime Jamming Conditions

Face Detection in Nighttime Images Using Visible-Light Camera Sensors with Two-Step Faster Region-Based Convolutional Neural Network

Intrinsic Sensing Properties of Chrysotile Fiber Reinforced Piezoelectric Cement-Based Composites

Let's Talk about TEX—Understanding Consumer Preferences for Smart Interactive Textile Products Using a Conjoint Analysis Approach

Simultaneous Localization and Map Change Update for the High Definition Map-Based Autonomous Driving Car

PEDOT:PSS-Based Temperature-Detection Thread for Wearable Devices

Sensor-Based Real-Time Detection in Vulcanization Control Using Machine Learning and Pattern Clustering

Ruthenium Oxide Nanorods as Potentiometric pH Sensor for Organs-On-Chip Purposes

Vehicle Collision Prediction under Reduced Visibility Conditions

Finite Element Calculation with Experimental Verification for a Free-Flooded Transducer Based on Fluid Cavity Structure

A Time-Distributed Spatiotemporal Feature Learning Method for Machine Health Monitoring with Multi-Sensor Time Series

Sensor Selection to Improve Estimates of Particulate Matter Concentration from a Low-Cost Network

Application of Time-Domain Full Waveform Inversion to Cross-Hole Radar Data Measured at Xiuyan Jade Mine, China

A Disposable and Multi-Chamber Film-Based PCR Chip for Detection of Foodborne Pathogen

Modeling the Human Visuo-Motor System to Support Remote-Control Operation

Reduced Graphene Oxide-Based Double Network Polymeric Hydrogels for Pressure and Temperature Sensing

Flood Detection in Gaofen-3 SAR Images via Fully Convolutional Networks

A Flexible Wireless Sensor Network Based on Ultra-Wide Band Technology for Ground Instability Monitoring

Potentiality of Using Luojia 1-01 Nighttime Light Imagery to Investigate Artificial Light Pollution

Complex Event Processing for Sensor Stream Data

Real-Time Safety Evaluation for Slope during Construction Using Numerical Forecast and Sensor Monitoring Platform

Design of Wideband GHz Electric Field Sensor Integrated with Optical Fiber Transmission Link for Electromagnetic Pulse Signal Measurement

CNN-Based Multimodal Human Recognition in Surveillance Environments

Compact Multilayer Yagi-Uda Based Antenna for IoT/5G Sensors

Fast and Stable Ionic Electroactive Polymer Actuators with PEDOT:PSS/(Graphene–Ag-Nanowires) Nanocomposite Electrodes

Monitoring and Assessing the Degradation Rate of Magnesium-Based Artificial Bone In Vitro Using a Wireless Magnetoelastic Sensor

A Sparse-Based Off-Grid DOA Estimation Method for Coprime Arrays

Earable POCER: Development of a Point-of-Care Ear Sensor for Respiratory Rate Measurement

3D Measurement Simulation and Relative Pointing Error Verification of the Telescope Mount Assembly Subsystem for the Large Synoptic Survey Telescope

MEMS Gyroscope Automatic Real-Time Mode-Matching Method Based on Phase-Shifted 45° Additional Force Demodulation

Advantages of the Surface Structuration of KBr Materials for Spectrometry and Sensors

Simultaneous Estimation of Rebar Diameter and Cover Thickness by a GPR-EMI Dual Sensor

Erratum: Xie, Z.-J.; Bao, X.-Y.; Peng, C.-F. Highly Sensitive and Selective Colorimetric Detection of Methylmercury Based on DNA-Functionalized Gold Nanoparticles. Sensors 2018, 18, 2679.

Blood Coagulation Testing Smartphone Platform Using Quartz Crystal Microbalance Dissipation Method

Energy-Effective Power Control Algorithm with Mobility Prediction for 5G Heterogeneous Cloud Radio Access Network

A Novel Fault Detection with Minimizing the Noise-Signal Ratio Using Reinforcement Learning

A Dynamic Calibration Method of Installation Misalignment Angles between Two Inertial Navigation Systems

New Approaches to the Integration of Navigation Systems for Autonomous Unmanned Vehicles (UAV)

Smartphone-Based Microfluidic Colorimetric Sensor for Gaseous Formaldehyde Determination with High Sensitivity and Selectivity

Sub-Diffraction Visible Imaging Using Macroscopic Fourier Ptychography and Regularization by Denoising

Source Coding Options to Improve HEVC Video Streaming in Vehicular Networks

The Dynamic EEG Microstates in Mental Rotation

A Novel Surface Acoustic Wave Sensor Array Based on Wireless Communication Network

Distorter Characterisation Using Mutual Inductance in Electromagnetic Tracking

Indoor Localization Based on Weighted Surfacing from Crowdsourced Samples

A Compact Ultrawideband Antenna Based on Hexagonal Split-Ring Resonator for pH Sensor Application

Classification of Overt and Covert Speech for Near-Infrared Spectroscopy-Based Brain Computer Interface

Development of a Biosensory Computer Application to Assess Physiological and Emotional Responses from Sensory Panelists

Intelligent Ball Bearing Fault Diagnosis Using Fractional Lorenz Chaos Extension Detection

Bistatic ISAR Imaging with a V-FM Waveform Based on a Dual-Channel-Coupled 2D-CS Algorithm

Designing Efficient Low-Cost Paper-Based Sensing Plasmonic Nanoplatforms

Dynamic Toolface Estimation for Rotary Steerable Drilling System

Fusion of Heart Rate, Respiration and Motion Measurements from a Wearable Sensor System to Enhance Energy Expenditure Estimation

Development and Experimental Evaluation of a 3D Vision System for Grinding Robot

Iterative Blind Deconvolution Algorithm for Deblurring a Single PSP/TSP Image of Rotating Surfaces

Design and Implementation of an Infrared Radiant Source for Humidity Testing

A Capillary Computing Architecture for Dynamic Internet of Things: Orchestration of Microservices from Edge Devices to Fog and Cloud Providers

Detection of Glyphosate in Drinking Water: A Fast and Direct Detection Method without Sample Pretreatment

Development of a High-Sensitivity Optical Accelerometer for Low-Frequency Vibration Measurement

Bayesian Finite Element Model Updating and Assessment of Cable-Stayed Bridges Using Wireless Sensor Data

Fast Phenomics in Vineyards: Development of GRover, the Grapevine Rover, and LiDAR for Assessing Grapevine Traits in the Field

Synthesizing and Reconstructing Missing Sensory Modalities in Behavioral Context Recognition

Development of a Surface Temperature Sensor to Enhance Energy Efficiency Actions in Buildings

An Autonomous Vehicle Navigation System Based on Inertial and Visual Sensors

A KPI-Based Probabilistic Soft Sensor Development Approach that Maximizes the Coefficient of Determination

Globally Optimal Distributed Kalman Filtering for Multisensor Systems with Unknown Inputs

Entropy Correlation and Its Impacts on Data Aggregation in a Wireless Sensor Network

A Room Temperature VOCs Gas Sensor Based on a Layer by Layer Multi-Walled Carbon Nanotubes/Poly-ethylene Glycol Composite

Adaptive Local Aspect Dictionary Pair Learning for Synthetic Aperture Radar Target Image Classification

Membrane-Based Microwave-Mediated Electrochemical Immunoassay for the In Vitro, Highly Sensitive Detection of Osteoporosis-Related Biomarkers

A Scene Recognition and Semantic Analysis Approach to Unhealthy Sitting Posture Detection during Screen-Reading

An IoT-Oriented Offloading Method with Privacy Preservation for Cloudlet-Enabled Wireless Metropolitan Area Networks

The Electronic Nose's Emerging Role in Respiratory Medicine

EasyLB: Adaptive Load Balancing Based on Flowlet Switching for Wireless Sensor Networks

Fecal Volatile Organic Compounds in Preterm Infants Are Influenced by Enteral Feeding Composition

A Reduced GO-Graphene Hybrid Gas Sensor for Ultra-Low Concentration Ammonia Detection

Fabrication and Characterization of a High-Performance Multi-Annular Backscattered Electron Detector for Desktop SEM

Pose Estimation of Sweet Pepper through Symmetry Axis Detection

Design of a Novel Six-Axis Wrist Force Sensor

Performance of Rayleigh-Based Distributed Optical Fiber Sensors Bonded to Reinforcing Bars in Bending

Early Fault Diagnosis for Planetary Gearbox Based Wavelet Packet Energy and Modulation Signal Bispectrum Analysis

Three-Dimensional High-Resolution Digital Inline Hologram Reconstruction with a Volumetric Deconvolution Method

Label-Free Rapid Separation and Enrichment of Bone Marrow-Derived Mesenchymal Stem Cells from a Heterogeneous Cell Mixture Using a Dielectrophoresis Device

Fabrication and Characterization of High-Frequency Ultrasound Transducers Based on Lead-Free BNT-BT Tape-Casting Thick Film

A Novel Tri-Axial MEMS Gyroscope Calibration Method over a Full Temperature Range

Feature Extraction from Indirect Monitoring in Marine Oil Separation Systems

Pipeline Inspection Gauge's Velocity Simulation Based on Pressure Differential Using Artificial Neural Networks

NLOS Identification and Positioning Algorithm Based on Localization Residual in Wireless Sensor Networks

Out-of-Band Response for the Coastal Zone Imager (CZI) Onboard China's Ocean Color Satellite HY-1C: Effect on the Observation Just above the Sea Surface

A New Structural Health Monitoring Strategy Based on PZT Sensors and Convolutional Neural Network

A Novel Type Room Temperature Surface Photovoltage Gas Sensor Device

Study on the Magnetic-machine Coupling Characteristics of Giant Magnetostrictive Actuator Based on the Free Energy Hysteresis Characteristics

Indirect Microcontact Printing to Create Functional Patterns of Physisorbed Antibodies

Distributed Space Debris Tracking with Consensus Labeled Random Finite Set Filtering

Noncontact Strain Monitoring of Osseointegrated Prostheses

Effects of Sensor Location on Dynamic Load Estimation in Weigh-in-Motion System

A Channel Phase Error Correction Method Based on Joint Quality Function of GF-3 SAR Dual-Channel Images

Performance Evaluation Strategies for Eye Gaze Estimation Systems with Quantitative Metrics and Visualizations

Low-Cost and Lightweight 3D-Printed Split-Ring Resonator for Chemical Sensing Applications

A Type of Annulus-Based Energy Balanced Data Collection Method in Wireless Rechargeable Sensor Networks

Parameter Estimation of Lunar Regolith from Lunar Penetrating Radar Data

Accuracy Evaluation of Dense Matching Techniques for Casting Part Dimensional Verification

A Device-Independent Efficient Actigraphy Signal-Encoding System for Applications in Monitoring Daily Human Activities and Health

Microwave Imaging Sensor Using Low Profile Modified Stacked Type Planar Inverted F Antenna

A Digital Shade-Matching Device for Dental Color Determination Using the Support Vector Machine Algorithm

On the Use of Focused Incident Near-Field Beams in Microwave Imaging

Transfer Learning for Soil Spectroscopy Based on Convolutional Neural Networks and Its Application in Soil Clay Content Mapping Using Hyperspectral Imagery

A Sensor Control Model for Cabled Seafloor Observatories in the East China Sea

Experiment and Numerical Simulation on Gas-Liquid Annular Flow through a Cone Sensor

3DoF+ 360 Video Location-Based Asymmetric Down-Sampling for View Synthesis to Immersive VR Video Streaming

Ultra-Wideband (UWB) Antenna Sensor Based Microwave Breast Imaging: A Review

Backstepping Sliding Mode Control for Radar Seeker Servo System Considering Guidance and Control System

Improvement of Ultrasonic Pulse Generator for Automatic Pipeline Inspection

Gas Leak Location Detection Based on Data Fusion with Time Difference of Arrival and Energy Decay Using an Ultrasonic Sensor Array

Damage Detection in Active Suspension Bridges: An Experimental Investigation

Analysis of the Subdivision Errors of Photoelectric Angle Encoders and Improvement of the Tracking Precision of a Telescope Control System

RGB Colour Encoding Improvement for Three-Dimensional Shapes and Displacement Measurement Using the Integration of Fringe Projection and Digital Image Correlation

Cross-Voting SVM Method for Multiple Vehicle Classification in Wireless Sensor Networks

Benefits of Multi-Constellation/Multi-Frequency GNSS in a Tightly Coupled GNSS/IMU/Odometry Integration Algorithm

Development of Potentiometric Sensors for C2H4 Detection

Quadrant-Based Minimum Bounding Rectangle-Tree Indexing Method for Similarity Queries over Big Spatial Data in HBase

Predicting Spatial Variations in Soil Nutrients with Hyperspectral Remote Sensing at Regional Scale

A Comprehensive Calibration Method for a Star Tracker and Gyroscope Units Integrated System

Fringing Electric Field Sensors for Anti-Attack at System-Level Protection

A Feasibility Study on Timber Moisture Monitoring Using Piezoceramic Transducer-Enabled Active Sensing

On the Sensitivity of the Parameters of the Intensity-Based Stochastic Model for Terrestrial Laser Scanner. Case Study: B-Spline Approximation

Supervised PolSAR Image Classification with Multiple Features and Locally Linear Embedding

Dynamic Computation Offloading Scheme for Drone-Based Surveillance Systems

Extensive Experimentations on Opportunistic Routing in Wireless Sensor Networks

Kinematic Calibration of a Cable-Driven Parallel Robot for 3D Printing

NovaGenesis Applied to Information-Centric, Service-Defined, Trustable IoT/WSAN Control Plane and Spectrum Management

Structured Background Modeling for Hyperspectral Anomaly Detection

Correction: Yan, L., et al. A Micro Bubble Structure Based Fabry–Perot Optical Fiber Strain Sensor with High Sensitivity and Low-Cost Characteristics Sensors, 2017, 17, 555.

Human Motion Recognition by Textile Sensors Based on Machine Learning Algorithms

An LC Passive Wireless Gas Sensor Based on PANI/CNT Composite

Optimization-Based Wi-Fi Radio Map Construction for Indoor Positioning Using Only Smart Phones

A Lightweight Convolutional Neural Network Based on Visual Attention for SAR Image Target Classification

Path Smoothing Techniques in Robot Navigation: State-of-the-Art, Current and Future Challenges

A Novel Method for Designing General Window Functions with Flexible Spectral Characteristics

Analysis and Self-Calibration Method for Asynchrony between Sensors in Rotation INS

Olive-Fruit Mass and Size Estimation Using Image Analysis and Feature Modeling

A Novel Nested Configuration Based on the Difference and Sum Co-Array Concept

Survivability Prediction of Colorectal Cancer Patients: A System with Evolving Features for Continuous Improvement

Automatic Calibration of an Around View Monitor System Exploiting Lane Markings

Water Level Reconstruction and Prediction Based on Space-Borne Sensors: A Case Study in the Mekong and Yangtze River Basins

Development of a Novel Methodology to Assess the Corrosion Threshold in Concrete Based on Simultaneous Monitoring of pH and Free Chloride Concentration

A Sound Source Localisation Analytical Method for Monitoring the Abnormal Night Vocalisations of Poultry

Experimental Study of Wireless Monitoring of Human Respiratory Movements Using UWB Impulse Radar Systems

Radar Emitter Recognition Based on the Energy Cumulant of Short Time Fourier Transform and Reinforced Deep Belief Network

Quantitative Cross-Platform Performance Comparison between Different Detection Mechanisms in Surface Plasmon Sensors for Voltage Sensing

Helical Structures Mimicking Chiral Seedpod Opening and Tendril Coiling

Development of an Apparatus for Crop-Growth Monitoring and Diagnosis

A Homogeneous Breast Phantom Measurement System with an Improved Modified Microwave Imaging Antenna Sensor

Robust Step Counting for Inertial Navigation with Mobile Phones

A Broadband Beamformer Suitable for UUV to Detect the Tones Radiated from Marine Vessels

Exploiting Fine-Grained Subcarrier Information for Device-Free Localization in Wireless Sensor Networks

Reliability and Maintenance Analysis of Unmanned Aerial Vehicles

Independent Biaxial Scanning Light Detection and Ranging System Based on Coded Laser Pulses without Idle Listening Time

Wireless Sensor Networks for Long-Term Monitoring of Urban Noise

Discrimination between Alternative Herbal Medicines from Different Categories with the Electronic Nose

Non-Contact Body Measurement for Qinchuan Cattle with LiDAR Sensor

A Blockchain Implementation Prototype for the Electronic Open Source Traceability of Wood along the Whole Supply Chain

DAQUA-MASS: An ISO 8000-61 Based Data Quality Management Methodology for Sensor Data

A Clustering WSN Routing Protocol Based on k-d Tree Algorithm

Comparison and Feasibility of Various RFID Authentication Methods Using ECC

A Versatile Method for Depth Data Error Estimation in RGB-D Sensors

Precision and Accuracy of a Direct-Reading Miniaturized Monitor in PM2.5 Exposure Assessment

Logical Inference Framework for Experimental Design of Mechanical Characterization Procedures

Bandwidth Enhancement and Frequency Scanning Array Antenna Using Novel UWB Filter Integration Technique for OFDM UWB Radar Applications in Wireless Vital Signs Monitoring

A Review of Planar PIV Systems and Image Processing Tools for Lab-On-Chip Microfluidics

Comparative Study of Square and Circular Loop Frequency Selective Surfaces for Millimeter-Wave Imaging Diagnostics Systems

A Novel Fingerprint Sensing Technology Based on Electrostatic Imaging

A Residual Analysis-Based Improved Particle Filter in Mobile Localization for Wireless Sensor Networks

Sensing Characteristics of Tilted Long Period Fiber Gratings Inscribed by Infrared Femtosecond Laser

Evaluation of Metal Oxide Surface Catalysts for the Electrochemical Activation of Amino Acids

Improving GNSS Ambiguity Acceptance Test Performance with the Generalized Difference Test Approach

Peripheral Network Connectivity Analyses for the Real-Time Tracking of Coupled Bodies in Motion

Analysis of High Sensitivity Photonic Crystal Fiber Sensor Based on Surface Plasmon Resonance of Refractive Indexes of Liquids

Modeling and Performance of the IEEE 802.11p Broadcasting for Intra-Platoon Communication

Edge Computing Based IoT Architecture for Low Cost Air Pollution Monitoring Systems: A Comprehensive System Analysis, Design Considerations & Development

An Advanced, Silicon-Based Substrate for Sensitive Nucleic Acids Detection

Self-Diagnosis of Localization Status for Autonomous Mobile Robots

Unsupervised Hierarchical Clustering Approach for Tourism Market Segmentation Based on Crowdsourced Mobile Phone Data

Damage Identification for Underground Structure Based on Frequency Response Function

A Method of HBase Multi-Conditional Query for Ubiquitous Sensing Applications

Microfluidically Frequency-Reconfigurable Quasi-Yagi Dipole Antenna

Wireless Channel Propagation Characteristics and Modeling Research in Rice Field Sensor Networks

Glyphosate Determination by Coupling an Immuno-Magnetic Assay with Electrochemical Sensors

Mode-Splitting for Refractive Index Sensing in Fluorescent Whispering Gallery Mode Microspheres with Broken Symmetry

Effectiveness of Sensors Contact Metallization (Ti, Au, and Ru) and Biofunctionalization for Escherichia coli Detection

Traditional Eddy Current–Pulsed Eddy Current Fusion Diagnostic Technique for Multiple Micro-Cracks in Metals

New Digital Plug and Imaging Sensor for a Proton Therapy Monitoring System Based on Positron Emission Tomography

Theoretical Analysis for Bending of Single-Stranded DNA Adsorption on Microcantilever Sensors

An Improved Velocity Estimation Method for Wideband Multi-Highlight Target Echoes in Active Sonar Systems

Breast Cancer Detection Using Infrared Thermal Imaging and a Deep Learning Model

The Applications of Promoter-gene-Engineered Biosensors

An Energy Conserving and Transmission Radius Adaptive Scheme to Optimize Performance of Energy Harvesting Sensor Networks

Comparison of L1 and L5 Bands GNSS Signals Acquisition

Research on a Seepage Monitoring Model of a High Core Rockfill Dam Based on Machine Learning

RFID Data-Driven Vehicle Speed Prediction via Adaptive Extended Kalman Filter

Developing an Optical Image-Based Method for Bridge Deformation Measurement Considering Camera Motion

Creating and Exploring Semantic Annotation for Behaviour Analysis

Damage Identification of Large Generator Stator Insulation Based on PZT Sensor Systems and Hybrid Features of Lamb Waves

Nanobiosensing Platforms for Real-Time and Non-Invasive Monitoring of Stem Cell Pluripotency and Differentiation

A Smart Congestion Control Mechanism for the Green IoT Sensor-Enabled Information-Centric Networking

Paper-Based Sensors: Emerging Themes and Applications

Application of Biphase Complete Complementary Code for Ionospheric Sounding

An Efficient ISAR Imaging of Targets with Complex Motions Based on a Quasi-Time-Frequency Analysis Bilinear Coherent Algorithm

IoT Operating System Based Fuzzy Inference System for Home Energy Management System in Smart Buildings

Artificial-Intelligence-Based Prediction of Clinical Events among Hemodialysis Patients Using Non-Contact Sensor Data

Characterization of the Fat Channel for Intra-Body Communication at R-Band Frequencies

Generative vs. Discriminative Recognition Models for Off-Line Arabic Handwriting

Effect of Metal Thickness on the Sensitivity of Crack-Based Sensors

Automotive Frequency Modulated Continuous Wave Radar Interference Reduction Using Per-Vehicle Chirp Sequences

Plasmonic-Ceria Nanoparticles as Fluorescence Intensity and Lifetime Quenching Optical Sensor

Automatic Emotion Perception Using Eye Movement Information for E-Healthcare Systems

Polar Organic Gate Dielectrics for Graphene Field-Effect Transistor-Based Sensor Technology

Capturing Electrocardiogram Signals from Chairs by Multiple Capacitively Coupled Unipolar Electrodes

An Intelligent Computing Method for Contact Plan Design in the Multi-Layer Spatial Node-Based Internet of Things

Extraction of High-Precision Urban Impervious Surfaces from Sentinel-2 Multispectral Imagery via Modified Linear Spectral Mixture Analysis

Parameter Estimation of Micro-Motion Targets for High-Resolution-Range Radar Using Online Measured Reference

Colony Fingerprint-Based Discrimination of Staphylococcus species with Machine Learning Approaches

Femtosecond-Pulsed Laser Written and Etched Fiber Bragg Gratings for Fiber-Optical Biosensing

A Novel Coordinated Motion Fusion-Based Walking-Aid Robot System

Spectral Identification of Disease in Weeds Using Multilayer Perceptron with Automatic Relevance Determination

Fabrication and Characterization of Planar-Type Top-Illuminated InP-Based Avalanche Photodetector on Conductive Substrate with Operating Speeds Exceeding 10 Gbps

Enhanced Interpolated Dynamic DFT Synchrophasor Estimator Considering Second Harmonic Interferences †

Unmanned Aerial Vehicle Object Tracking by Correlation Filter with Adaptive Appearance Model

Hybrid Particle Swarm Optimization for Multi-Sensor Data Fusion

Improving the Performance of Multi-GNSS Time and Frequency Transfer Using Robust Helmert Variance Component Estimation

A Robust Terrain Aided Navigation Using the Rao-Blackwellized Particle Filter Trained by Long Short-Term Memory Networks

SWCTI: Surface Water Content Temperature Index for Assessment of Surface Soil Moisture Status

Experimental Study of LoRa Transmission over Seawater

A Novel Dielectric Tomography System for In-Situ Tracking Three-Dimensional Soil Water Dynamics

Tensor-Based Angle Estimation Approach for Strictly Noncircular Sources with Unknown Mutual Coupling in Bistatic MIMO Radar

WiFi Indoor Localization with CSI Fingerprinting-Based Random Forest

Fully Bayesian Prediction Algorithms for Mobile Robotic Sensors under Uncertain Localization Using Gaussian Markov Random Fields

Star Centroiding Based on Fast Gaussian Fitting for Star Sensors

A Novel Acoustic Filtering Sensor for Real-Time Tension Monitoring of Hoist Wire Ropes

Digital Image Tamper Detection Technique Based on Spectrum Analysis of CFA Artifacts

Kernel Sparse Representation with Hybrid Regularization for On-Road Traffic Sensor Data Imputation

Label-Free Colorimetric Detection of Mercury (II) Ions Based on Gold Nanocatalysis

Application of FRP Bolts in Monitoring the Internal Force of the Rocks Surrounding a Mine-Shield Tunnel

A High-Efficiency Data Collection Method Based on Maximum Recharging Benefit in Sensor Networks

A Study of Diagnostic Accuracy Using a Chemical Sensor Array and a Machine Learning Technique to Detect Lung Cancer

Simultaneous Ship Detection and Orientation Estimation in SAR Images Based on Attention Module and Angle Regression

Delay-Bounded and Cost-Limited RSU Deployment in Urban Vehicular Ad Hoc Networks

Development of Low-Cost Air Quality Stations for Next Generation Monitoring Networks: Calibration and Validation of PM2.5 and PM10 Sensors

Fabrication of Multimode-Single Mode Polymer Fiber Tweezers for Single Cell Trapping and Identification with Improved Performance

Multi-Timescale Drowsiness Characterization Based on a Video of a Driver's Face

Advanced 3D Photogrammetric Surface Reconstruction of Extensive Objects by UAV Camera Image Acquisition

Difference DV_Distance Localization Algorithm Using Correction Coefficients of Unknown Nodes

Internet of Bikes: A DTN Protocol with Data Aggregation for Urban Data Collection

Automatic Outcome in Manual Dexterity Assessment Using Colour Segmentation and Nearest Neighbour Classifier

Ni-Doped ZnS Nanospheres Decorated with Au Nanoparticles for Highly Improved Gas Sensor Performance

Preload Monitoring in Bolted Connection Using Piezoelectric-Based Smart Interface

A Novel Metamaterial Inspired High-Temperature Microwave Sensor in Harsh Environments

ICT to Promote Well-Being within Families

Coarse-Fine-Stitched: A Robust Maritime Horizon Line Detection Method for Unmanned Surface Vehicle Applications

Development of Colorimetric and Ratiometric Fluorescence Membranes for Detection of Nitrate in the Presence of Aluminum-Containing Compounds

Feasibility of Telecom-Wavelength Photonic Integrated Circuits for Gas Sensors

An Integrated Dead Reckoning with Cooperative Positioning Solution to Assist GPS NLOS Using Vehicular Communications

Cable-Driven Parallel Robot with Reconfigurable End Effector Controlled with a Compliant Actuator

What Is the Fastest Way to Connect Stations to a Wi-Fi HaLow Network?

Enhancement of Long-Range Surface Plasmon Excitation, Dynamic Range and Figure of Merit Using a Dielectric Resonant Cavity

Practical Use of Robot Manipulators as Intelligent Manufacturing Systems

Electrical and Physical Characteristics of WO3/Ag/WO3 Sandwich Structure Fabricated with Magnetic-Control Sputtering Metrology †

A Broad-Spectrum Sweet Taste Sensor Based on Ni(OH)2/Ni Electrode

Application of an Improved Multipoint Optimal Minimum Entropy Deconvolution Adjusted for Gearbox Composite Fault Diagnosis

Exploiting Linear Support Vector Machine for Correlation-Based High Dimensional Data Classification in Wireless Sensor Networks

Real-Time Task Assignment Approach Leveraging Reinforcement Learning with Evolution Strategies for Long-Term Latency Minimization in Fog Computing

Lightweight Visual Odometry for Autonomous Mobile Robots

Monitoring Aquaculture Water Quality: Design of an Early Warning Sensor with Aliivibrio fischeri and Predictive Models

A Walking-in-Place Method for Virtual Reality Using Position and Orientation Tracking

Brillouin Dynamic Gratings—A Practical Form of Brillouin Enhanced Four Wave Mixing in Waveguides: The First Decade and Beyond

Detection of Leak-Induced Pipeline Vibrations Using Fiber—Optic Distributed Acoustic Sensing

A Separated Calibration Method for Inertial Measurement Units Mounted on Three-Axis Turntables

New Method of Microimages Generation for 3D Display

Geometric Features-Based Parking Slot Detection

Feature Representation and Data Augmentation for Human Activity Classification Based on Wearable IMU Sensor Data Using a Deep LSTM Neural Network

Spatial Retrieval of Broadband Dielectric Spectra

IoT Elements, Layered Architectures and Security Issues: A Comprehensive Survey

A 3-D Surface Reconstruction with Shadow Processing for Optical Tactile Sensors

Developing a Relative Humidity Correction for Low-Cost Sensors Measuring Ambient Particulate Matter

Measurement Method for Nonlinearity in Heterodyne Laser Interferometers Based on Double-Channel Quadrature Demodulation

Indoor Positioning Algorithm Based on the Improved RSSI Distance Model

A Hypergraph-Based Blockchain Model and Application in Internet of Things-Enabled Smart Homes

Preparation of Quasi-Three-Dimensional Porous Ag and Ag-NiO Nanofibrous Mats for SERS Application

An Effective and Secure Key Management Protocol for Message Delivery in Autonomous Vehicular Clouds

New DoS Defense Method Based on Strong Designated Verifier Signatures

An Impedimetric Biosensor Based on Ionic Liquid-Modified Graphite Electrodes Developed for microRNA-34a Detection

A Sensor Based on a Spherical Parallel Mechanism for the Measurement of Fluid Velocity: Physical Modelling and Computational Analysis

A Robust Predicted Performance Analysis Approach for Data-Driven Product Development in the Industrial Internet of Things

Wearable Sensor Data to Track Subject-Specific Movement Patterns Related to Clinical Outcomes Using a Machine Learning Approach

Investigation of a Three-Dimensional Micro-Scale Sensing System Based on a Tapered Self-Assembly Four-Cores Fiber Bragg Grating Probe

Effect of Strapdown Integration Order and Sampling Rate on IMU-Based Attitude Estimation Accuracy

Physical Wellbeing Monitoring Employing Non-Invasive Low-Cost and Low-Energy Sensor Socks

Classifier Level Fusion of Accelerometer and sEMG Signals for Automatic Fitness Activity Diarization

ECG-RNG: A Random Number Generator Based on ECG Signals and Suitable for Securing Wireless Sensor Networks

Clutch Pedal Sensorization and Evaluation of the Main Parameters Related to Driver Posture

Automatic Classification of Gait Impairments Using a Markerless 2D Video-Based System

Towards an Efficient One-Class Classifier for Mobile Devices and Wearable Sensors on the Context of Personal Risk Detection

Enhancing the Visibility of Delamination during Pulsed Thermography of Carbon Fiber-Reinforced Plates Using a Stacked Autoencoder

An Extended Kalman Filter and Back Propagation Neural Network Algorithm Positioning Method Based on Anti-lock Brake Sensor and Global Navigation Satellite System Information

Accurate Device-Free Tracking Using Inexpensive RFIDs

Rapid and Sensitive Determination of Vanillin Based on a Glassy Carbon Electrode Modified with Cu2O-Electrochemically Reduced Graphene Oxide Nanocomposite Film

AFRP Influence on Parallel Bamboo Strand Lumber Beams

High-Accuracy Calibration Based on Linearity Adjustment for Eddy Current Displacement Sensor

Steep Switching of In0.18Al0.82N/AlN/GaN MIS-HEMT (Metal Insulator Semiconductor High Electron Mobility Transistors) on Si for Sensor Applications †

Aspect-Aware Target Detection and Localization by Wireless Sensor Networks

Top-Down NOX Emissions of European Cities Based on the Downwind Plume of Modelled and Space-Borne Tropospheric NO2 Columns

Integrating Gaze Tracking and Head-Motion Prediction for Mobile Device Authentication: A Proof of Concept

Commissioning of the Controlled and Automatized Testing Facility for Human Behavior and Control (CASITA)

Blind UAV Images Deblurring Based on Discriminative Networks

Quantification of Axial Abnormality Due to Cerebellar Ataxia with Inertial Measurements

Data Feature Analysis of Non-Scanning Multi Target Millimeter-Wave Radar in Traffic Flow Detection Applications

Superpixel Segmentation Based Synthetic Classifications with Clear Boundary Information for a Legged Robot

Towards Low-Cost Yet High-Performance Sensor Networks by Deploying a Few Ultra-fast Charging Battery Powered Sensors

Recent Research and Developing Trends of Wearable Sensors for Detecting Blood Pressure

Non-Contact Measurement of the Surface Displacement of a Slope Based on a Smart Binocular Vision System

Orbit Determination of Korean GEO Satellite Using Single SLR Sensor

Using Inertial Measurement Units and Electromyography to Quantify Movement during Action Research Arm Test Execution

Energy-Efficient Power Allocation and Relay Selection Schemes for Relay-Assisted D2D Communications in 5G Wireless Networks

Detection of Stress in Cotton (Gossypium hirsutum L.) Caused by Aphids Using Leaf Level Hyperspectral Measurements

Structured-Light-Based System for Shape Measurement of the Human Body in Motion

Surface-Wave Based Model for Estimation of Discontinuity Depth in Concrete

Features of Invariant Extended Kalman Filter Applied to Unmanned Aerial Vehicle Navigation

A Study of Quantifying Thickness of Ferromagnetic Pipes Based on Remote Field Eddy Current Testing

Localization and Discrimination of the Perturbation Signals in Fiber Distributed Acoustic Sensing Systems Using Spatial Average Kurtosis

Hand Tracking and Gesture Recognition Using Lensless Smart Sensors

A Novel Method for Estimating Knee Angle Using Two Leg-Mounted Gyroscopes for Continuous Monitoring with Mobile Health Devices

Design and Evaluation of a MEMS Magnetic Field Sensor-Based Respiratory Monitoring and Training System for Radiotherapy

A Three-Stage Accelerometer Self-Calibration Technique for Space-Stable Inertial Navigation Systems

Energy Efficient Policies for Data Transmission in Disruption Tolerant Heterogeneous IoT Networks

Fabrication of a Food Nano-Platform Sensor for Determination of Vanillin in Food Samples

Radar and Visual Odometry Integrated System Aided Navigation for UAVS in GNSS Denied Environment

An Efficient Scalable Scheduling MAC Protocol for Underwater Sensor Networks

Effect of Sensor Set Size on Polymer Electrolyte Membrane Fuel Cell Fault Diagnosis

Elephant Herding Optimization for Energy-Based Localization

On the Feasibility of Using an Ear-EEG to Develop an Endogenous Brain-Computer Interface

Reflectance-Based Vegetation Index Assessment of Four Plant Species Exposed to Lithium Chloride

Equivalent Circuit Modeling for a Valveless Piezoelectric Pump

Joint Source and Channel Rate Allocation over Noisy Channels in a Vehicle Tracking Multimedia Internet of Things System

Development of Model Predictive Controller for a Tail-Sitter VTOL UAV in Hover Flight

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Quantile Coarsening Analysis of High-Volume Wearable Activity Data in a Longitudinal Observational Study

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Ying Kuen Cheung Pei-Yun Sabrina Hsueh Ipek Ensari Joshua Z. Willey Keith M. Diaz
Abstract	Owing to advances in sensor technologies on wearable devices, it is feasible to measure physical activity of an individual continuously over a long period. These devices afford opportunities to understand individual behaviors, which may then provide a basis for tailored behavior interventions. The large volume of data however poses challenges in data management and analysis. We propose a novel quantile coarsening analysis (QCA) of daily physical activity data, with a goal to reduce the volume of data while preserving key information. We applied QCA to a longitudinal study of 79 healthy participants whose step counts were monitored for up to 1 year by a Fitbit device, performed cluster analysis of daily activity, and identified individual activity signature or pattern in terms of the clusters identified. Using 21,393 time series of daily physical activity, we identified eight clusters. Employment and partner status were each associated with 5 of the 8 clusters. Using less than 2% of the original data, QCA provides accurate approximation of the mean physical activity, forms meaningful activity patterns associated with individual characteristics, and is a versatile tool for dimension reduction of densely sampled data.
e-ISSN	14248220
DOI	10.3390/s18093056
Journal	Sensors
Issue Number	9
Volume Number	18
Language	English
Publisher	MDPI AG
Publisher Date	2018-09-01
Publisher Place	Switzerland
Access Restriction	Open
Subject Keyword	Chemical Technology Citizen Science Cluster Analysis Physical Activity Sedentary Behavior Walking
Content Type	Text
Resource Type	Article

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