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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.

168,878 papers · 148 categories

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48 results for twin-to-twin transfusion syndrome

DSM improves visual quality of fetoscopic videos by mosaicking.

problem Challenges in identifying all vascular connections during fetoscopy due to low visual quality and drift.
method Proposes a Deep Sequential Mosaicking (DSM) framework using deep learning techniques to handle visual variations and reduce drift.
result DSM framework reduces accumulated drift and improves visual quality of fetoscopic videos.

Syndromic surveillance detects and monitors individual and population health indicators through sources such as emergency department records. Automated classification of these records can improve outbreak detection speed and diagnosis accuracy. Current syndromic systems rely on hand-coded keyword-based methods to parse…

2018-05-19abs ↗pdf ↗

Improved logistic regression for multi-omics data improves prediction and variable selection.

problem Predicting binary class labels from multi-omics datasets with varying characteristics.
method Two-step penalized logistic regression with separate variable selection for each data layer.
result Our approach selects more relevant predictors and achieves comparable prediction performance.

Paper presents forecasting models for platelet demand.

problem Managing platelet demand and supply is challenging due to variability and short shelf life.
method Utilized ARIMA, Prophet, lasso regression, and LSTM networks on a clinical dataset.
result Multivariate approaches generally have higher accuracy, but simpler ARIMA can suffice with sufficient data.

Machine learning improves detection of Brugada Syndrome from ECGs.

problem Detecting Brugada Syndrome (BrS) from ECGs is challenging due to limited diagnostic criteria.
method Pipeline that reads and processes scanned ECG images, uses LSTM classifier to diagnose.
result The proposed pipeline distinguishes between ECG types and diagnoses BrS with high accuracy.

The paper prices a new life insurance policy for couples, considering various contingent benefits.

problem Valuation of life insurance policies for dependent coupled lives.
method Employed the QPQP-rule combining real-world and risk-neutral measures for pricing.
result Explicit pricing expressions for the new insurance policy were derived and analyzed.

Patients who suffer an acute coronary syndrome are at elevated risk for adverse cardiovascular events such as myocardial infarction and cardiovascular death. Accurate assessment of this risk is crucial to their course of care. We focus on estimating a patient's risk of cardiovascular death after an acute coronary syndr…

2018-12-02abs ↗pdf ↗

This paper automates mining of COVID-19 scholarly articles using machine learning.

problem Time-consuming and impractical manual extraction of relevant COVID-19 research articles.
method Used machine learning approaches, specifically clustering and parallel one-class support vector machines (OCSVMs), on the CORD-19 dataset.
result Parallel OCSVMs outperform other methods for both original and reduced feature space.

Transfer learning from natural image datasets, particularly ImageNet, using standard large models and corresponding pretrained weights has become a de-facto method for deep learning applications to medical imaging. However, there are fundamental differences in data sizes, features and task specifications between natura…

2019-02-14abs ↗pdf ↗

Develops a risk score to assist ECMO planning for critically ill patients with viral or unspecified pneumonia.

problem Lack of a risk score to guide ECMO planning for critically ill patients.
method Leverages machine learning to develop the PEER score.
result PEER score predicts mortality and decompensation in patients eligible for ECMO.

Study uses machine learning to identify posturographic features in Parkinson's patients who fall.

problem Identifying patients at risk of falling in Parkinson's syndrome.
method Employed ts-AUC, a non-parametric multivariate two-sample test, to analyze posturographic features.
result Significant differences in antero-posterior movements and posturographic area between fallers and non-fallers identified.

Proposes a method to improve regression model performance with limited target data using fused-regularizer.

problem Model shifts and covariate shifts in high-dimensional regression.
method Two-step method with fused-regularizer to leverage source data for target task.
result Robust to covariate shifts, minimax-optimal under certain conditions, and validated by numerical tests.

Mobile electrocardiogram (ECG) recording technologies represent a promising tool to fight the ongoing epidemic of cardiovascular diseases, which are responsible for more deaths globally than any other cause. While the ability to monitor one's heart activity at any time in any place is a crucial advantage of such techno…

2018-10-05abs ↗pdf ↗

The paper proposes a method to predict the performance of data-driven algorithms using surrogate models.

problem Improving the performance prediction of data-driven knowledge discovery algorithms.
method Surrogate-assisted performance prediction using evolutionary modeling of clinical pathways.
result The proposed approach provides interpretable prediction of algorithm performance and quality.

Study improves LLMs for PPI analysis by addressing uncertainty.

problem Uncertainty in LLM predictions for PPIs.
method Fine-tuned LLaMA-3 and BioMedGPT models, LoRA ensembles, Bayesian LoRA for UQ.
result Competitive PPI identification performance across diverse disease contexts.

Medical researchers are coming to appreciate that many diseases are in fact complex, heterogeneous syndromes composed of subpopulations that express different variants of a related complication. Time series data extracted from individual electronic health records (EHR) offer an exciting new way to study subtle differen…

2016-06-29abs ↗pdf ↗

Study describes severe dengue ICU patients in Brazil, 2012-2024.

problem Characterize severe dengue ICU patients and identify risk factors.
method Prospective study, descriptive statistics, logistic regression, machine learning.
result Advanced age, comorbidities, leukocytes, and platelets are significant risk factors for complications.

Develops a novel approach for estimating optimal DTRs with multicategory treatments and censored data.

problem Estimating optimal treatment regimes for chronic diseases with censored data.
method Angle-based multicategory classification algorithm for maximizing conditional survival function.
result The proposed method outperforms existing approaches in maximizing conditional survival function.

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.

Study tackles variable selection with missing covariates and outcomes using machine learning and imputation.

problem Missing data in both covariates and outcomes complicates variable selection in health studies.
method Exploits machine learning flexibility and bootstrap imputation for variable selection, comparing multiple methods.
result XGBoost and BART perform best in variable selection with bootstrap imputation, achieving high F1F_1 scores and low Type I errors.