A method for inferring ground-truth signals from degraded sensor data.
problem Inferring ground-truth signals from multiple degraded sensor signals.
method Iterative correction of degraded signals using a Bayesian multi-sensor data fusion method.
result The method effectively infers ground-truth signals from noisy and degraded sensor data.
Proposes ANN for robust sensor data prediction.
problem Predicting component health from noisy, failing sensors.
method Artificial Neural Network framework with data augmentation.
result Accurate predictions despite noisy sensor data.
Paper presents a WiFi-based indoor sensor localization technique.
problem Indoor localization in wireless sensor networks.
method Zoning-based localization using statistical learning.
result Efficient sensor zone determination in indoor environments.
Two attention models improve human activity recognition by focusing on important signals and sensor modalities.
problem Noise and unimportant signal components in recurrent networks for human activity recognition.
method Temporal and sensor attention mechanisms with continuity constraints.
result State-of-the-art results on three datasets, showing improved understandability and mean F1 score.
The paper optimizes sensor selection for network time series data.
problem Optimizing sensor selection for network time series data with minimal error.
method Data-driven strategies to turn off sensors or select a sampling set of nodes.
result Proposes and compares various data-driven strategies for sensor selection.
A method for predicting human locomotion using sensor correlations.
problem Predicting missing signals in human locomotion data.
method Coregionalised Locomotion Envelopes - multi-dimensional manifold regression.
result Developed a qualitative method for robust control of rehabilitation robots.
Method learns behavioral states from wearable sensor data.
problem Understanding behavioral patterns from sensor data.
method Non-parametric Bayesian approach to model sensor data.
result Learned behavioral states cluster participants into meaningful groups and predict psychological states.
In this paper, we propose a general collaborative sparse representation framework for multi-sensor classification, which takes into account the correlations as well as complementary information between heterogeneous sensors simultaneously while considering joint sparsity within each sensor's observations. We also robus…
Graph neural networks enhance IceCube neutrino detection.
problem Improving signal detection in IceCube neutrino observatory.
method Leveraged graph neural networks to model IceCube detector array as a graph, with vertices as sensors and edges based on spatial coordinates.
result GNN outperforms traditional methods in classifying IceCube events.
Adaptive activity monitoring framework for wearable sensors.
problem Efficiently monitor human activities with low power consumption.
method Switching Gaussian process model with block circulant embedding and FFT for inference.
result Optimized trade-off between sensor power consumption and prediction performance.
New algorithms improve direction finding using prior signal knowledge.
problem Efficiently estimate signal direction from sensor data.
method Multi-step knowledge-aided iterative conjugate gradient algorithms.
result MS-KAI-CG algorithms outperform existing techniques in simulations.
Auto-encoder model simplifies industrial sensor data into fixed-length vectors.
problem Efficiently summarizing large-scale industrial sensor signals.
method Recurrent auto-encoder with partial reconstruction and rolling window approach.
result Fixed-length vectors capture selected features over time.
Paper presents an energy-efficient RL method for sensor networks.
problem Energy consumption in sensor networks for health monitoring.
method Adaptive Reinforcement Learning framework using SARSA algorithm.
result Achieves performance enhancement and energy savings over time.
Edge-based sensor network monitors natural hazards efficiently.
problem Fast decision making in natural hazard warning systems.
method Event-triggered micro-seismic sensors, co-detection, machine learning, convolutional neural networks.
result Real-time hazard monitoring with low power consumption.
Deep learning detects atrial fibrillation from wearable sensor data.
problem Detecting atrial fibrillation from raw sensor data.
method Convolutional-recurrent neural network with long short-term memory, end-to-end learning.
result State-of-the-art AFib detection with high accuracy.
Study on sensor fusion algorithms under high dimensional noise.
problem Behavior of sensor fusion algorithms under high dimensional noise.
method Analysis of NCCA and AD algorithms using Gaussian kernel.
result Robustness of NCCA and AD to high dimensional noise depends on SNR and bandwidth selection.
Framework fuses RGB images and depth maps for self-driving car control.
problem Fault tolerance in self-driving cars with sensor failures.
method Deep neural network architecture for sensor fusion.
result Framework can learn to use relevant sensor information even when one fails.
GPMM recovers latent signals from noisy mixtures using Bayesian inference.
problem Recovering latent signals from noisy mixed measurements.
method Gaussian process mixture of measurements (GPMM) with Bayesian inference.
result GPMM outperforms standard GP in signal recovery.
Study improves RF sensor robustness for target recognition.
problem Variability in RF target responses makes them vulnerable to attacks.
method Evaluates techniques for building robust classification architectures.
result Improves accuracy in identifying true target characteristics.
Paper compares WEMI target detection algorithms for weak signals.
problem Detecting weak magnetic signals in soil.
method Comparison of algorithms on two data sets.
result Strengths and weaknesses of compared approaches highlighted.
Self-attention model improves HAR from wearable sensors.
problem Capturing spatio-temporal context from sensor data.
method Proposes a self-attention based neural network model.
result Significant performance improvement over state-of-the-art models.
One-dimensional CNNs improve signal recovery from sparse measurements.
problem Recovering signals from limited data.
method One-dimensional Deep Image Prior (DIP) using CNNs with regularization.
result One-dimensional CNNs outperform traditional methods in signal recovery.
Paper presents a neural network for recognizing human activities from unlabeled sensor data.
problem Time-consuming annotation of sensor data for activity recognition.
method Attention-based convolutional neural network for weakly labeled data.
result Attention model improves accuracy in recognizing human activities.
IGNNK uses GNN for spatiotemporal kriging, improving scalability and transferability.
problem Efficiently recovering signals for unsampled locations in spatiotemporal data.
method Developed an Inductive Graph Neural Network Kriging (IGNNK) model to learn spatial message passing.
result IGNNK effectively learns spatial message passing and can be transferred to new graph structures.
Novel spatio-temporal LSTM model forecasts oceanic variables across sensors and scales.
problem Data sparsity and lack of connected spatial and temporal information in environmental datasets.
method SPATIAL LSTM architecture that learns across spatial and temporal scales.
result Framework accurately forecasts oceanic variables with comparable performance to state-of-the-art models.
The behaviors of patients with depression are usually difficult to predict because the patients demonstrate the symptoms of a depressive episode without a warning at unexpected times. The goal of this research is to build algorithms that detect signals of such unusual moments so that doctors can be proactive in approac…
Improved sleep apnea detection using sensor fusion and backward shortcut connections.
problem Untreated sleep apnea leads to severe health consequences; automated detection is needed.
method Late sensor fusion using backward shortcut connections to improve deep learning models.
result Significant improvement in predictive performance over single sensor methods.
Paper proposes a new neural machine translation method for wave data.
problem Limited real-world sensor data for continuous signal waves.
method Introduces window-based representation and iterative back-translation for wave data.
result Significant performance improvements in wave translation tasks.
Develops a method to denoise and analyze wearable ECGs.
problem Noisy ECGs from wearable devices.
method Statistical model, beat-to-beat representation, factor analysis.
result Upper bound on performance quantified and compared.
Adaptive social media event detection improves accuracy by 350%.
problem Concept drift in event signals over time.
method Continuous concept drift adaptation using machine learning classifiers.
result 350% improvement in landslide detection accuracy.
CNNs classify human activities from IMU data.
problem Automatic identification of physical activities using motion sensors.
method Used Convolutional Neural Networks (CNNs) with raw IMU data.
result CNNs perform well in classifying 16 lower-limb activities.
Hidden Markov Models detect hand gestures from wearable sEMG signals.
problem Detecting activity regions in continuous sEMG signals.
method Hidden Markov Models applied to sEMG signals for gesture recognition.
result Average accuracy of 96.25% for activity onsets and 87.5% for activity terminations.
Improved gesture recognition using compressed domain signals.
problem Efficient gesture recognition in compressed domain.
method Direct gesture feature extraction from compressed measurements, improved DTW-based K-NN classifiers.
result Strong support for the proposed algorithm in simulations and hardware.
One of the key challenges in sensor networks is the extraction of information by fusing data from a multitude of distinct, but possibly unreliable sensors. Recovering information from the maximum number of dependable sensors while specifying the unreliable ones is critical for robust sensing. This sensing task is formu…
Wireless sensor networks are composed of distributed sensors that can be used for signal detection or classification. The likelihood functions of the hypotheses are often not known in advance, and decision rules have to be learned via supervised learning. A specific such algorithm is Fisher discriminant analysis (FDA),…
Paper develops a framework to test deep RL traffic controllers under various uncertainties.
problem Developing robust deep RL traffic controllers for dynamic urban areas.
method Open-source callback-based framework for evaluating deep RL configurations in a traffic simulation.
result Deep RL controllers perform well under demand surges, incidents, and sensor failures.
ActiLabel learns activity patterns across diverse sensor devices.
problem Limited adoption of activity recognition models across different domains due to diverse sensor devices.
method Combination of graph model and optimal tiered mapping for learning activity labels.
result Superior performance compared to state-of-the-art methods on public datasets.
Thanks to the rise of wearable and connected devices, sensor-generated time series comprise a large and growing fraction of the world's data. Unfortunately, extracting value from this data can be challenging, since sensors report low-level signals (e.g., acceleration), not the high-level events that are typically of in…
A novel observer-based method detects and recovers anomalies in CAV sensor readings.
problem Improving safety and security in connected and automated vehicles.
method Combines model-based signal filtering and anomaly detection methods using AEKF and OCSVM.
result The proposed method achieves better anomaly detection performance compared to traditional methods.
Unified model predicts multi-mode failure with multi-sensor data.
problem Independent failure mode and RUL prediction ignores inherent relationship.
method Hierarchical Bayesian framework with Cox model, Gaussian process, and multinomial distributions.
result Robust uncertainty quantification and accurate prediction of multi-mode failure.
Framework identifies discrepancies in physics models, improving sensor accuracy.
problem Model inaccuracies leading to poor control algorithms.
method Learning systematic state-space residuals and deterministic dynamical errors.
result Improved quantification of system dynamics and control algorithms.
Deep neural networks predict walking, biking, and driving from Wi-Fi signals.
problem Predicting human mobility modes using Wi-Fi signals.
method Deployed Wi-Fi sensors at four locations, developed and tested multiple classifiers (MLP, Decision Tree, Bagged Decision Tree, Random Forest).
result Multilayer Perceptron achieved 86.52% correct predictions of mobility modes.
The measurement and analysis of Electrodermal Activity (EDA) offers applications in diverse areas ranging from market research, to seizure detection, to human stress analysis. Unfortunately, the analysis of EDA signals is made difficult by the superposition of numerous components which can obscure the signal informatio…
Study on adversarial attacks on user identification systems using motion sensors.
problem Adversarial attacks on deep learning models for user identification based on motion sensors.
method Study of adversarial example generation methods and their impact on user identification systems.
result Deep neural networks trained for user identification based on motion sensors are vulnerable to adversarial attacks, leading to high misclassification rates.
This letter presents an improved version of diffusion least mean ppower (LMP) algorithm for distributed estimation. Instead of sum of mean square errors, a weighted sum of mean square error is defined as the cost function for global and local cost functions of a network of sensors. The weight coefficients are updated b…
The paper tests hypotheses on two Lévy process-driven streams of observations.
problem Testing hypotheses on two Lévy process-driven streams of observations.
method Infinitesimal generators and super/sub-solutions are used to compute bounds and analyze the model.
result Bounds for infinitesimal generators are computed in terms of super/sub-solutions.
Compact E-Nose detects wine spoilage by acetic acid quickly.
problem Early detection of wine spoilage by acetic acid.
method Portable E-Nose with SnO2 sensors and deep MLP neural network trained approach.
result Classifies wine spoilage levels in 2.7 seconds.
Paper reviews multi-way graph signal processing for tensor data.
problem Maximizing use of multi-way structure in irregular tensor data.
method Generalizes GSP to multi-way data, focusing on graph signals across tensor modes.
result Synthesizes common themes in combining GSP with tensor analysis.