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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,051 papers · 148 categories

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35810 · Dec 201819922001200920182026
48 results for motor symptoms

Method predicts motor symptoms of Parkinson's disease from daily activities.

problem Objective monitoring of Parkinson's disease symptoms.
method Multi-layer Gaussian process models for three types of movement abnormalities.
result Strong agreement between model predictions and clinical annotations.

Machine learning aids in diagnosing Parkinson's disease with higher accuracy.

problem Subjectivity in traditional PD diagnosis methods and missed early symptoms.
method Machine learning applied to various data modalities for PD and control group classification.
result Machine learning methods show high potential for improving PD diagnosis.

Machine learning models adapt to motor learning but face challenges.

problem Adapting machine learning to handle motor variability and differentiate new movements from known ones.
method Parameter adaptation, transfer and meta-learning, reinforcement learning.
result Challenges in applying machine learning models for motor learning support systems.

A model learns symptom-drug relations for PD patients.

problem Automatic prescription recommendation for Parkinson's Disease patients.
method Builds a dataset of PD symptoms and prescriptions, learns latent symptom space, uses alternating optimization.
result Effective in recommending suitable prescription drugs for new PD patients.

Bayesian networks and ML improve COVID-19 symptom classification and severity analysis.

problem Understanding the relationship between COVID-19 symptoms and demographic variables.
method Bayesian network structure learning followed by unsupervised clustering and demographic symptom identification.
result 99.99% testing accuracy compared to 41.15% for a heuristic method.

Study integrates causal inference and temporal complexity measures to analyze mental health symptoms.

problem Examining how individual symptom trajectories reveal diagnostic patterns in mental disorders.
method Causal inference, graph analysis, temporal complexity measures, machine learning.
result 91% accuracy in diagnosing symptom dynamics, highlighting disorder-specific causal mechanisms.

System recommends disease treatments based on big data and cloud computing.

problem Inaccurate disease classification and treatment recommendations due to complex symptoms and multi-pathogenesis.
method DPCA for disease-symptom clustering, Apriori for D-D and D-T rules, parallel Apache Spark implementation.
result Effective disease-symptom clustering and accurate treatment recommendations for inexperienced doctors.

Machine learning monitors detect motor overheating, adapting to concept drift.

problem Early detection of motor overheating in ships' propulsion systems.
method Machine learning and statistical methods using historical data to adapt to concept drift.
result The proposed monitors provide early detection of overheating during and after concept drifts.

Research uses activity analysis to identify mental health symptoms.

problem Identifying mental health symptoms using objective activity metrics.
method Proposes a framework for mHealth monitoring of psychiatric patients based on physical activity time series.
result Identifies distinct behavioural phenotypes and measures for mood assessment.

This paper studies the trade-off between model accuracy and coverage for diagnosis models used by patients.

problem Balancing accuracy and coverage in diagnosis models for patient use.
method Learned diagnosis models with varying coverage from EHR data.
result A 1% drop in top-3 accuracy for every 10 diseases added to the coverage.

In April 2009, we introduced a model representing the evolution of motor fuel price (a subcategory of the consumer price index of transportation) relative to the overall CPI as a linear function of time. Under our framework, all price deviations from the linear trend are transient and the price must promptly return to …

2010-05-01abs ↗pdf ↗

Model forecasts motor vehicle collision rates with high accuracy.

problem Forecasting motor vehicle collision rates with high accuracy.
method Adopted Heston Stochastic Volatility model and extended it to account for seasonality and accelerated safety periods.
result Short-term forecasts show high accuracy (over 95%) and outperform existing models.

A brief historical perspective is first given concerning financial crashes, - from the 17th till the 20th century. In modern times, it seems that log periodic oscillations are found before crashes in several financial indices. The same is found in sand pile avalanches on Sierpinski gaskets. A discussion pertains to the…

2001-04-07abs ↗pdf ↗

Enhanced EEG classification improves motor imagery detection with less computation.

problem Improving classification accuracy of motor imagery EEG signals.
method Integrates Block-Toeplitz structure into augmented covariance matrices and uses Siegel metric.
result Significantly reduces computational time without compromising classification accuracy.

DEBIAS learns causal effects from psychiatric longitudinal data by optimizing outcome weights.

problem Causal inference challenges in psychiatric longitudinal data due to symptom heterogeneity and latent confounding.
method DEBIAS algorithm that optimizes outcome weights to maximize durable treatment effects and minimize confounding.
result DEBIAS consistently outperforms state-of-the-art methods in recovering causal effects for clinically interpretable composite outcomes.

This study evaluates machine learning models for precise temperature estimation in PMSMs.

problem Precise temperature monitoring of PMSMs for automotive applications.
method Evaluation of various machine learning models (ordinary and weighted least squares, support vector regression, k-nearest neighbors, randomized trees, neural networks) on collected data.
result ML models can predict magnet temperature profiles as accurately as classical models, but differ in model size and efficiency.

System assesses patient urgency and recommends care based on medical notes.

problem Assessing patient urgency and recommending appropriate care.
method Attention-based convolutional neural network trained on medical notes.
result Precision increases to 85% when using attention scores for warning symptoms.

This study evaluates handwriting features to diagnose Parkinson's disease.

problem Diagnosing Parkinson's disease through handwriting analysis.
method Kinematic, geometrical, and non-linear features were evaluated using K-nearest neighbors, support vector machines, and random forest classifiers.
result Up to 93.1% accuracy in classifying Parkinson's disease and healthy subjects.

Study uses wearable sensors to predict infant motor development status.

problem Early detection of infant motor development status in high-risk infants.
method Machine learning classification algorithms using day-long inertial movement data from wearable sensors.
result Machine learning can predict infant motor development status from day-long movement data.

MANGA transfers policies across environments with varying dynamics and noise.

problem Transferring policies across multiple environments with different dynamics and motor noise.
method Decouples policy learning from system identification, trains dynamics-conditioned policies, and learns dynamics parameters from rollouts.
result Demonstrates effective transfer of learned policies across four MuJoCo agents using agnostic RL and imitation learning methods.

Study uses logistic regression and association rules to identify early symptoms of malignant mesothelioma.

problem Difficult diagnosis of malignant mesothelioma leading to late-stage detection and poor patient survival.
method Implemented logistic regression and developed association rules to identify early symptoms.
result Categorical logistic regression improved training accuracy from 72.30% to 81.40%.

This paper improves MI-based BCIs by applying transfer learning across all components.

problem Reducing calibration effort for new subjects in MI-based BCIs.
method Proposes TL in spatial filtering, feature engineering, and classification blocks, and adds data alignment.
result Integrating data alignment and sophisticated TL significantly improves classification performance and reduces calibration effort.

Deep learning system tracks stool consistency for GI disease assessment.

problem Lack of objective stool consistency measurements in chronic GI disease.
method Computer vision and deep convolutional neural networks (CNN).
result Developed a stool detection and tracking system.

DyEnsemble improves BCI accuracy by adapting to nonstationary neural signals.

problem Nonstationary neural signals in BCI cause decoding errors.
method Dynamic ensemble modeling that learns and combines diverse models online.
result DyEnsemble outperforms Kalman filters, especially with noisy signals.

Study improves motor insurance claim prediction using geographic data.

problem Limited location identifiers in public actuarial datasets.
method Zone-level modeling framework with environmental and orthoimagery data.
result Geographic information improves MTPL claim prediction accuracy.

Robotics learns new skills faster by reusing past movements.

problem Learning new motor skills is time-consuming and requires exploration of a large space of motor configurations.
method Combines probabilistic movement primitives with relative entropy policy search for skill initialization and adaptation.
result Quality of learned skills improves and the number of required iterations to learn a new task can be reduced by more than 60%.

Ensemble learning improves anomaly detection for milder symptoms.

problem Difficulty in detecting incipient anomalies due to similarity to normal conditions.
method Utilize uncertainty information from ensemble learning to identify misclassified incipient anomalies.
result Ensemble learning methods show improved performance on incipient anomaly detection.

Proposes a framework for learning constrained motor skills.

problem Learning constrained motor skills in robotic systems.
method Exploits probabilistic properties of multiple demonstrations in a linearly constrained optimization problem.
result Proposes a non-parametric solution for constrained motor skills.

Model improves robustness of neural network sequences without transition failures.

problem Learning and generating complex sequences of motor primitives without interference.
method Inspired by thalamocortical circuit, uses specific module for motif transitions.
result Improved robustness of sequence generation with no transition failures.

Unstructured data refers to information that does not have a predefined data model or is not organized in a pre-defined manner. Loosely speaking, unstructured data refers to text data that is generated by humans. In after-sales service businesses, there are two main sources of unstructured data: customer complaints, wh…

2016-07-26abs ↗pdf ↗

Deep learning detects Parkinson's disease severity from wearable data.

problem Measuring Parkinson's disease severity from accessible biomarkers.
method Developed and evaluated deep learning models on sensor data from wearable devices.
result Deep learning models outperform classical machine learning models in classifying Parkinson's disease severity.

ABC improves uncertainty quantification in LLMs for clinical diagnostics.

problem Overconfident and poorly calibrated estimates of LLMs in clinical domains.
method Approximate Bayesian Computation (ABC) for likelihood-free inference.
result Improves accuracy by up to 46.9%, reduces Brier scores by 74.4%, and enhances calibration.

Study shows insurance industry in North Macedonia declined 10% due to COVID-19.

problem Impact of COVID-19 on insurance industry activity.
method Seasonal autoregressive models and data analysis for 11 insurance classes.
result Insurance activity in North Macedonia decreased by more than 10% during the pandemic.

Model detects insurance fraud using social network analysis.

problem Fraudulent insurance claims by exaggeration or intentional damage.
method Network construction linking claims and parties, BiRank algorithm for fraud score computation, feature extraction from network and claims, supervised model building.
result Network features improve fraud detection performance.