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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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104208312416 · Jun 202019922001200920182026
48 results for acoustic vehicle classification

Acoustic sensors identify vehicles using spectral embedding.

problem Vehicle recognition from roadside audio sensors.
method Extract frequency signatures, apply spectral embedding for dimensionality reduction.
result K-nearest neighbors achieve accurate vehicle identification after dimensionality reduction.

Automatically identifies vehicles from audio sensors without needing labeled data.

problem Vehicle recognition and classification from acoustic signals.
method Incremental reseeding of acoustic signatures using spectral embedding and clustering.
result Incremental reseeding accurately identifies individual vehicles from their acoustic signatures.

Enhances KWS in vehicles with multi-source fusion.

problem Improving precision and recall rates in vehicle keyword spotting.
method Integrates vehicle information into a DNN for speech classification and selects optimal sensitivity parameters.
result Significantly improved performance metrics (precision, recall, MSE) compared to baseline.

MC-pix2pix generates high-quality synthetic sonar data for ATR systems.

problem Generating realistic synthetic sonar data for ATR systems.
method Markov Conditional pix2pix (MC-pix2pix) method.
result MC-pix2pix-generated data is almost indistinguishable from real sonar data.

Enhances sound texture in CNN for better acoustic scene classification.

problem Limited understanding of how CNNs perceive audio scenes.
method Used Class Activation Mapping (CAM) to analyze log-Mel features and proposed edge enhancement using DoG and Sobel operators.
result Edge-enhanced log-Mel features improve CNN performance in acoustic scene classification.

Paper proposes a voting method to improve acoustic scene classification.

problem Improving acoustic scene classification accuracy.
method Punishment voting algorithm based on super categories construction.
result Punishment voting significantly improves classification performance.

ConvNet classifies whale vocalizations and ambient noise in acoustic recordings.

problem Automated detection and classification of marine mammal vocalizations in acoustic recordings.
method Convolutional Neural Network with a novel acoustic representation.
result Classifier accurately detects and classifies whale vocalizations and ambient noise.

A simple fusion of deep and shallow learning improves acoustic scene classification.

problem Improving acoustic scene classification accuracy.
method Combining a deep learning approach and a feature engineering approach using a late fusion strategy.
result The fused system achieves 72.8% classification accuracy, outperforming individual methods.

CNNs improve generalization to unseen audio devices with increased width, not depth.

problem CNNs are sensitive to specific audio recording devices in acoustic scene classification.
method Investigated the relationship between over-parameterization and generalization in CNNs for audio classification.
result Increasing width improves generalization to unseen devices without increasing the number of parameters.

Automated vehicles need efficient testing, which this method addresses.

problem Current testing practices are insufficient for automated vehicles.
method Gaussian Process Classification to identify performance boundaries.
result It is feasible to test for challenging scenarios more efficiently.

A new neural network learns from acoustic scenes by suppressing irrelevant patterns.

problem Acoustic scenes are rich and redundant, making classification challenging.
method Spatio-temporal attention pooling layer coupled with a convolutional recurrent neural network.
result The method outperforms a strong convolutional neural network baseline and sets new state-of-the-art performance.

The paper detects amateur drones using acoustic signals, overcoming interference.

problem Detection of unmonitored UAVs (amateur drones) for security and safety.
method Machine learning approach using Independent Component Analysis (ICA) for acoustic signal detection.
result The RMS values of PSD with KNN outperform other methods in detecting AmDr.

This paper compares machine learning methods for recognizing lane change intentions from vehicle trajectories.

problem Accurately detecting and predicting lane change processes in autonomous vehicles.
method Comparison of different machine learning methods on high-dimensional time series data.
result Ensemble methods reduce Type II and Type III classification errors, while LightGBM outperforms XGBoost in training efficiency.

Paper proposes cost-sensitive detection for environmental acoustic sensing.

problem Infeasibility of manual analysis for large-scale acoustic data.
method Cost-sensitive classification with variational autoencoders in Neyman-Pearson framework.
result Improved control over false positive and false negative rates.

Paper tackles invariance of demodulation in shallow water acoustic communications.

problem Frequency-selective signal distortion (Doppler effect) in shallow water environments.
method Developed ML-based demodulation methods using DBN-NN and DBN-CNN.
result Demonstrated invariance of the proposed method to Doppler effect with 2dB error margin.

Improved multi-modal emotion recognition using deep learning.

problem Combining acoustic and text modalities for emotion recognition.
method Proposes a deep learning-based approach to fuse text and acoustic data using SincNet for acoustic features and parallel DCNN and Bi-RNN branches for text processing with cross attention.
result Achieves 3.5% improvement in weighted accuracy compared to existing methods.

Improved vehicle classification using ResNets and spatial pooling.

problem Fine-grained vehicle classification using ResNet architectures.
method Training ResNet-18, -34, and -50 on Comprehensive Cars dataset. Adding Spatially Weighted Pooling and localisation.
result Combining Spatially Weighted Pooling and localisation increases top-1 accuracy to 96.351%.

Deep neural features identify unique vehicles from dash-cam feeds.

problem Identifying unique vehicles in dash-cam feeds for self-driving cars.
method Used pretrained YOLO network feature maps to create deep integrated feature signatures (DIFS) for 700 images of 35 vehicles and 340 images of 17 vehicles.
result Correctly identified unique vehicles at 96.7% for high resolution data and 86.8% for lower resolution data.

Study improves CNNs for audio scene classification by restricting receptive fields and adding frequency awareness.

problem Improving CNNs for robust acoustic scene classification.
method Investigated different receptive field configurations for various CNN architectures and introduced Frequency Aware CNNs.
result Several well-performing submissions to DCASE 2019 Challenge were achieved.

Proposes deep learning method for GCI detection from pathological speech.

problem Detecting glottal closure instants (GCI) in pathological acoustic speech.
method Convolutional neural network with fused deep acoustic speech and linear prediction residual features.
result Significantly better than state-of-the-art methods in GCI detection.

This paper uses deep learning to classify different types of cracks from acoustic emission events.

problem Classifying different types of cracks from acoustic emission events.
method Combining deep neural networks with Bidirectional Long Short Term Memory and statistical analysis.
result Achieves 92% accuracy in classifying different types of cracks.

Predict road friction levels using connected vehicle data and weather parameters.

problem Predict road friction levels for connected vehicles.
method Proposes a framework using supervised machine learning (logistic regression, SVM, neural networks) to classify road friction levels.
result Neural networks model performs best across different prediction horizons and conditions.

Improved acoustic modeling with attentive adversarial learning.

problem Domain variability in acoustic modeling.
method Proposes an attentive ADIT method with an attention mechanism to improve domain-invariance of deep features.
result Improves deep feature domain-invariance and senone-discriminativity over ADIT.

End-to-end DA method for domain-invariant CNNs using parallel audio recordings.

problem Distribution mismatches between training and application data in machine listening.
method Enforcing equal hidden layer representations for domain-parallel samples.
result Learn domain-invariant classifiers without requiring classification labels.

Direct acoustics-to-word models improve speech recognition without LMs.

problem Improving speech recognition without requiring a Language Model (LM).
method Direct acoustics-to-word CTC models trained on public benchmark tasks.
result CTC word model achieves 13.0%/18.8% word error rate compared to 9.6%/16.0% for phone-based CTC with a 4-gram LM.

Machine learning classifies colorectal tissue using photoacoustic microscopy.

problem Traditional diagnostic methods for colorectal cancer are limited in detail and painful.
method Machine learning applied to acoustic resolution photoacoustic microscopy.
result Machine learning accurately classified benign and malignant tissue.

Automated road infrastructure mapping using connected vehicle data and deep learning.

problem Manual identification of intersections is laborious and time-consuming.
method Geohashing, YOLOv5 algorithm for classification of road segments and intersections.
result Overall classification accuracy of 95%, with high F1 scores for straight roads and intersections.

A multi-head attention network improves ASC by recognizing overlapping sound patterns.

problem Challenging ASC due to overlapping sound patterns and complex event mixtures.
method Proposes a multi-head attention network to model complex temporal input structures.
result Achieved competitive performance on DCASE 2018 Task 5 dataset.

Deep learning predicts vehicle behavior for safer autonomous driving.

problem Enhance autonomous vehicles' hazard awareness in complex environments.
method Review of deep learning-based approaches for vehicle behaviour prediction.
result Deep learning outperforms conventional methods in complex scenarios.

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.

This paper analyzes sound event detection in synthetic office audio, comparing different systems.

problem Comparing sound event detection systems in synthetic office audio.
method Analysis of systems submitted to DCASE 2016 task, using synthetic office sounds.
result Statistical analysis of results, highlighting system performance under controlled conditions.