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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.

169,291 papers · 148 categories

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306191121 · Jun 202019922001200920182026
48 results for Bone Quality

CNNs improve automatic femur bone segmentation from MR images.

problem Manual segmentation of bone MR images is time-consuming and impractical.
method Deep convolutional neural networks (CNNs) trained on volumetric structural MR images of the proximal femur.
result CNNs achieved high segmentation accuracy (dice similarity score of 0.94±\pm0.05).

Deep morphing detects bone structures in low-quality X-ray images.

problem Detecting bone structures in low-quality fluoroscopic X-ray images.
method Two-stage deep learning approach using deep segmentation networks and statistical shape models.
result Efficiently detects bone structures in low-quality X-ray images.

Six AI solutions accurately detect growth plate planes in mice bone scans.

problem Manual, time-consuming, and variable bone growth plate detection in micro-CT scans.
method Prepared and annotated a dataset of 3D μCT scans, organized a challenge, and developed six computer vision solutions.
result Achieved mean absolute error of 1.91±0.87 planes from ground truth.

Characterizes graphs with Lin-Lu-Yau curvature at least one and explores bone-idle graphs.

problem Characterizing graphs with specific curvature properties.
method Study of Ollivier-Ricci curvature and Lin-Lu-Yau curvature, exploration of regular graphs, and exact formula derivation.
result Characterizes edges that are bone-idle in regular graphs and provides a complete characterization of 4-regular bone-idle graphs.

Curvature formulas on regular graphs identified bone idle edges and graphs.

problem Understanding curvature in regular graphs and identifying bone idle edges.
method Explicit formulas for Lin-Lu-Yau and Ollivier-Ricci curvatures derived from graph parameters.
result Equality condition on regular graphs for Ollivier-Ricci curvature and characterization of bone idle edges.

This paper uses deep learning to estimate flow fields from OCT images for laser ablation control.

problem Automatic control of laser bone ablation using 4D OCT images.
method Semi-supervised convolutional neural network for 2.5D scene flow estimation.
result Scene flow estimation enables markerless tracking and automated laser ablation control.

A new algorithm discovers causal factors between T2DM and bone mineral density.

problem Discovering causal factors between T2DM and bone mineral density from clinical data.
method Prior-Knowledge-driven local Causal structure Learning (PKCL) algorithm.
result PKCL achieves more reliable results without long-standing medical experiments.

ChronoMID uses neural networks to classify bone disease in mice from micro-CT scans.

problem Classifying bone disease in mice from micro-CT scans.
method ChronoMID applies cross-modal convolutional neural networks to incorporate temporal information from timestamps and difference images.
result The top-performing model achieved 99.54% accuracy, significantly outperforming a baseline CNN.

Concept bottleneck models enable concept manipulation for model interpretation.

problem Training models to directly predict labels without intermediate concepts.
method Train models to predict intermediate concepts at training time, then use these concepts to predict labels.
result Concept bottleneck models achieve competitive accuracy with standard models while enabling concept manipulation.

Paper uses deep reinforcement learning for personalized medical treatment recommendations.

problem Personalized treatment recommendations for medical conditions.
method Deep reinforcement learning framework for dynamic treatment regimes.
result Demonstrated promising accuracy in predicting expert decisions and expected rewards.

Automatic segmentation of auditory ossicles from CT images using Ricci curvature.

problem Automatic diagnosis of ossicles' diseases from 3D CT images of the head.
method Proposes a completely automatic method that locates and segments ossicles without manual labels or templates, using Ricci curvature in an energy function.
result Performance of the proposed method using discrete Forman-Ricci curvature is superior to state-of-the-art methods.

Transfer entropy analyzes interactions between network communities, including rare events.

problem Understanding information flows between network communities.
method Transfer entropy analysis, including Rényi transfer entropy for rare events.
result Transfer entropy provides a coherent description of community interactions, including non-linear interactions.

Computes circular area and spherical volume invariants via integrals.

problem Computing circular area and spherical volume invariants for curves and surfaces.
method Using the Divergence Theorem, express area and volume integrals as line and surface integrals against kernels, then compute analytically on triangulated meshes.
result Simple algorithm for computing spherical volume invariant for triangulated surfaces without discretizing ambient space.

Develops a neural surrogate for proton dose calculation using Monte Carlo dropout uncertainty.

problem Computational demand in proton therapy workflows requiring repeated evaluations.
method Integrates Monte Carlo dropout into a neural network surrogate for fast, differentiable dose predictions and uncertainty quantification.
result Shows significant speedups over MC while retaining uncertainty information.

Deep learning model diagnoses celiac disease severity from intestinal biopsy images.

problem Diagnosing celiac disease severity from biopsy images, especially mild cases.
method Deep residual networks trained on a modified Marsh score histological scoring system.
result Model achieved AUC > 0.96 in all classes for CD severity classification.

AirRL uses RL to infer urban air quality from selected stations.

problem Inferring fine-grained urban air quality from limited monitoring stations.
method Reinforcement learning model with a dynamic station selector and air quality regressor.
result AirRL achieves highest performance in air quality inference experiments.

The paper tackles Bayesian inference with small datasets using manifold learning.

problem Small datasets challenge Bayesian inference with non-Gaussian models.
method Manifold learning and sampling for Bayesian posterior approximation.
result The method effectively samples Bayesian posteriors with non-Gaussian models from small datasets.

Study on sparse recovery with mixed-quality data, establishing sample-size conditions.

problem Sparse recovery with heterogeneous noise from high- and low-quality sources.
method Establishes linear trade-off for sufficient conditions, analyzes LASSO algorithm.
result Linear trade-off for sufficient conditions, robustness of LASSO to data heterogeneity.

Protein structure prediction has been a grand challenge problem in the structure biology over the last few decades. Protein quality assessment plays a very important role in protein structure prediction. In the paper, we propose a new protein quality assessment method which can predict both local and global quality of …

2016-02-13abs ↗pdf ↗

Study geodesic X-ray transform and streaking artifacts on simple surfaces or spaces of constant curvature.

problem Streaking artifacts in CT images due to metal regions.
method Geodesic X-ray transform on nontrapping compact Riemannian manifolds with strictly convex boundaries.
result Streaking artifacts result from conormal singularities along common tangent geodesics.

Framework improves ML performance by identifying high-quality data.

problem Poor data quality hampers ML performance.
method Intelligent data-centric evaluation framework combining quality measurements and unsupervised learning.
result Framework improves ML system performance in real-world use case.

New method classifies reticulocytes from red blood cells without labels.

problem Classifying reticulocytes from mature red blood cells without fluorescent labels.
method Unsupervised machine learning on morpho-rheological markers.
result Promising results in classifying reticulocytes from mature red blood cells.

This note investigates the causes of the quality anomaly, which is one of the strongest and most scalable anomalies in equity markets. We explore two potential explanations. The "risk view", whereby investing in high quality firms is somehow riskier, so that the higher returns of a quality portfolio are a compensation …

2016-01-18abs ↗pdf ↗

Do-AIQ framework evaluates AI algorithms' quality using DOE.

problem Quality evaluation of AI mislabel detection algorithms.
method Design-of-experiment approach with high-dimensional constraint space design and surrogate modeling.
result Established framework for evaluating AI algorithm quality robustly.

Survey bridges quality control mechanisms and statistical models for crowdsourcing.

problem Crowdsourcing quality control issues in machine learning systems.
method Unified frameworks for quality control mechanisms and statistical models.
result Taxonomies and future directions for quality control research.

Framework evaluates quality of synthetic data generated with differential privacy.

problem Ensuring synthetic data retains statistical quality after applying differential privacy.
method Developed a framework to evaluate synthetic data quality from a practical researcher's viewpoint.
result Synthetic data can be evaluated against training data or underlying populations, and for specific tasks like inference or prediction.

MRI image quality affects statistical and predictive analysis of brain morphology.

problem Impact of MRI image quality on statistical and predictive analysis of brain morphology.
method Systematic testing of image quality on univariate statistics and machine learning classification using three large datasets.
result Low-quality MRI data significantly affects detecting significant sex/gender differences in smaller samples, but not in larger ones.