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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.

169,341 papers · 148 categories

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116231347462 · Jun 202019922001200920182026
48 results for private feature extraction

DPFE extracts approved features privately, preserving sensitive information.

problem Protecting sensitive information while allowing feature extraction.
method Selective exchange of information, log-rank privacy measure, and smartphone implementation.
result DPFE achieves high accuracy for primary tasks while preserving sensitive feature privacy.

TIPRDC anonymizes data features to protect privacy while retaining useful information.

problem Privacy concerns from crowdsourced data hinder deep learning applications.
method Hybrid training method combining adversarial and mutual information estimation.
result Feature extractor hides private information while preserving original data features.

Prototype extraction framework for domain adaptation.

problem Statistical distance minimization issues in unsupervised domain adaptation.
method Memory and computation-efficient probabilistic framework for class prototype extraction and feature alignment.
result Competitive performance with state-of-the-art methods, no additional model parameters required.

New private learning algorithms improve utility in tasks with public features.

problem Private learning with public features in recommendation and ad prediction.
method Developed algorithms that protect only certain sufficient statistics, improving utility for linear regression and private recommendation benchmarks.
result Achieved state-of-the-art performance on private recommendation benchmarks.

This paper applies secure multi-party computation to K-means clustering to protect private data.

problem Privacy-preserving K-means clustering for distributed private data.
method Secure multi-party computation (MPC) techniques to protect private data during K-means clustering.
result Privacy-preserving K-means clustering is feasible and effective for both horizontal and vertical data distribution.

Improved DLG extracts accurate labels from gradients, overcoming DLG's convergence issues.

problem Private training data leakage from shared gradients in distributed learning systems.
method Proposes iDLG, a simple approach to synthesize accurate labels from gradients.
result iDLG reliably extracts ground-truth labels from gradients, unlike DLG.

Private method measures nonlinear correlations between data hosted across two entities.

problem Measuring nonlinear correlations between sensitive data hosted across multiple parties while preserving privacy.
method Differentially private estimator of distance correlation.
result First private estimator of nonlinear correlations in a multi-party setup.

Improved image generation with private data using perceptual features.

problem Difficulty in training generative models with differential privacy.
method Use pre-trained perceptual features to learn private data distribution.
result Generative models can generate high-quality images with low privacy budget (ϵ2\epsilon \approx 2).

Hermite polynomials improve private data generation by reducing feature count.

problem Infinite-dimensional features in kernel mean embedding are impractical for private data generation.
method Replace random features with Hermite polynomial features, leveraging their ordered nature.
result Hermite polynomial features yield a more accurate approximation of kernel mean embedding with fewer features.

New model improves privacy and accuracy by balancing reconstruction error and classification accuracy.

problem Balancing privacy and utility in machine learning models.
method Adversarial learning to find a sweet tradeoff between privacy and utility.
result RAN model achieves better privacy with better utility than existing alternatives.

This paper reviews methods for feature selection and extraction in pattern analysis.

problem Complex raw data require feature selection or extraction for better discrimination or representation.
method Reviews different methods of feature selection and extraction.
result Compares various methods of feature selection and extraction.

Paper proposes no-regret algorithms for private GP bandit optimization.

problem Private Gaussian process bandit optimization.
method Combines uniform kernel approximator with random perturbations for differentially private GP bandit algorithms.
result Provable no-regret algorithms for stationary kernel functions in two DP settings.

Paper proposes a method to extract style features from unlabeled data.

problem Extracting fine-grained features like styles from unlabeled data.
method Contrastive conditioned variational autoencoders with mutual information constraints.
result The method efficiently extracts style features from real-world natural image datasets.

New framework provides privacy guarantees for practical federated learning.

problem Inadequate privacy guarantees for federated learning due to restrictive assumptions.
method Fed-α\alpha-NormEC, integrating multiple local updates, partial client participation, and standard assumptions.
result Provably convergent and differentially private federated learning framework.

Enhances ASC using time- and frequency-liked CNNs and bilinear pooling.

problem Improving acoustic scene classification accuracy.
method Harmonic and percussive source separation, two-stream CNN architecture, bilinear pooling.
result Improved accuracy on DCASE 2019 sub task 1a dataset.

Public pretraining improves private model training even in extreme distribution shift scenarios.

problem Improving private model training accuracy in settings with large distribution shift.
method Empirical evaluation and theoretical explanation of public representations improving private training accuracy.
result Public representations can improve private training accuracy by up to 67% over private training from scratch in settings with large distribution shift.

Develops a computationally tractable differentially private mean estimator called the balloon mean.

problem Robust mean estimation in the presence of outliers and heavy-tailed distributions.
method Iterative clipping procedure over Mahalanobis balls.
result Balloon mean is robust to outliers and outperforms existing estimators in contaminated settings.

Paper proposes mimic learning to share intrusion detection models without private data.

problem Difficulty in obtaining labelled training data for intrusion detection models due to privacy concerns.
method Use of mimic learning to transfer knowledge from a teacher model trained on private data to a student model.
result Student model mimics teacher model without access to private data.

Novel privatization framework for high-dimensional variable selection with differential privacy.

problem High-dimensional controlled variable selection with rigorous FDR control under differential privacy constraints.
method Gaussian Johnson-Lindenstrauss Transformation for privatizing the knockoff matrix.
result The proposed private variable selection procedure maintains statistical power even under strict privacy budgets.

Automatically extracts features from time series data for improved forecasting.

problem Manual feature selection for time series forecasting is inefficient and prone to errors.
method Extracts features from time series using recurrence plots and computer vision algorithms.
result Automatically extracted features lead to highly comparable and sometimes superior forecasting performance.

Study shows DNNs often extract redundant features, influenced by network size and activation function.

problem Redundancy in deep neural network features.
method Hierarchical clustering of features based on cosine distances, varying network sizes and activation functions.
result Network size and activation function are key factors in DNN redundancy.

This work explains how maximizing latent correlations across multiple data views helps in identifying shared and private components.

problem Understanding how to identify shared and private components in multiview data.
method An intuitive generative model of multiview data is adopted, and latent correlation maximization is shown to guarantee the extraction of shared components.
result Latent correlation maximization guarantees the extraction of shared components across views and disentangles private information.

Study examines neural networks for feature extraction and their impact on machine learning models.

problem Improving feature extraction for better machine learning model performance.
method Used neural networks to extract features from images and numeric data, then compared these features with SVMs and KNNs.
result Neural network-extracted features significantly enhance SVM and KNN performance in many cases.

Efficiently extracts local features from whole images using CNNs with pooling layers.

problem Efficiently extracting local features from whole images for various tasks.
method A method to compute patch-based local feature descriptors efficiently in presence of pooling and striding layers for whole images at once, applicable to nearly all existing network architectures.
result Our approach significantly speeds up feature extraction from whole images compared to existing methods.

DPNR preserves privacy of text representations using differential privacy.

problem Privacy leakage in deep learning text representations.
method DPNR uses Differential Privacy to provide formal privacy guarantees and dropout masking for enhanced privacy.
result DPNR reduces privacy leakage without significantly sacrificing main task performance.

Relational Autoencoder improves feature extraction by considering data relationships.

problem Feature extraction from high-dimensional data fails to consider data relationships.
method Proposes a Relation Autoencoder model that considers both features and relationships.
result Considering data relationships generates more robust features with lower error rates.

Enhancing malware detection with icon features.

problem Improving accuracy in detecting malware.
method Extract icon features using summary statistics, HOG, and a convolutional autoencoder. Cluster icons and integrate these clusters into machine learning models.
result Significant increase in malware prediction model accuracy (10%) when icon clusters are used.

New algorithms for set union in differential privacy improve efficiency and accuracy.

problem Efficiently discovering items from private user data in natural language processing.
method Developed algorithms that allow users to contribute items in a dependent fashion, guided by a policy with contractive properties.
result New algorithms significantly outperform existing mechanisms in terms of efficiency and accuracy.

Proposes DP-MERF for privacy-preserving synthetic data generation.

problem Privacy-preserving data generation for synthetic datasets.
method Differentially private mean embeddings with random features.
result Achieves better privacy-utility trade-offs than existing methods.

A genetic algorithm-based method extracts features for epilepsy EEG classification.

problem Classifying epileptic EEG signals for accurate diagnosis.
method GAFDS method using genetic algorithm for frequency-domain feature search and optimization.
result GAFDS features improve classification accuracy compared to nonlinear features.

Dilated CNN improves multivariate time series classification.

problem Multivariate time series classification.
method Transformed multivariate time series into image-like style, applied dilated and strided convolutions.
result Automatic features extracted by dilated CNN are as effective as hand-crafted features.

Deep-FExt uses machine learning to improve vessel segmentation and centerline detection in medical images.

problem Improving vessel segmentation and centerline detection in medical images.
method Inception models for feature extraction, multi-scale and multi-layer convolutional operators, fully convolutional networks.
result Deep-FExt outperforms existing schemes with high Dice scores on DRIVE and STARE datasets.

Extends feature selection to GNNs, improving accuracy and feature ranking.

problem Improving feature selection in Graph Neural Networks (GNNs).
method Implemented a feature selection algorithm using Gumbel Softmax for ranking and selecting features in GNNs.
result Selected 225 features out of 1433 for the Cora dataset, improving classification accuracy.