Research
On-device research index

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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6.3%12.5%18.8%25.0% · Jul 199319922001200920182026
48 results for fiber optic sensors

Paper develops deep learning for signal recognition in long perimeter fiber optic sensors.

problem Difficult signal-jamming environments and stringent error requirements.
method Two-level event detection architecture with ensemble of deep convolutional networks.
result Efficient and robust multiclass detection algorithms with high adaptability.

Deep learning outperforms classic machine learning in DAS event detection.

problem Event detection in Distributed Acoustic Sensing (DAS).
method Comparison of classic machine learning and image-based deep learning approaches.
result Image-based deep learning offers significantly faster event detection and execution times.

DUPLE tackles cross-deployment recognition in fiber-optic perimeter security with meta-learning.

problem Cross-deployment recognition challenges in fiber-optic perimeter security due to label scarcity and distribution shifts.
method DUPLE employs statistically guided meta-learning to enhance recognition robustness across unseen deployments.
result DUPLE consistently outperforms traditional and meta-learning baselines in cross-deployment DFOS benchmarks.

Paper optimizes fiber optic communication constellations using machine learning.

problem Improving fiber optic communication performance through better constellation shaping.
method An unsupervised learning approach embedding a fiber channel model into neural networks.
result Improved performance up to 0.13 bit/4D in simulation and experimentally up to 0.12 bit/4D.

End-to-end deep learning optimizes optical fiber communication systems.

problem Optimizing the performance of optical fiber communication systems.
method Implementing an end-to-end deep neural network for transmitter, channel, and receiver optimization.
result Achieved bit error rates below 6.7% hard-decision forward error correction threshold.

Randomized fiber projections enhance neural network accuracy.

problem Improving neural network performance with limited resources.
method Training neural networks on randomized speckled images from multi-mode fiber projectors.
result Classification accuracy is higher with randomized fiber data than with direct images.

Deep learning reduces complexity of solving nonlinear Schrödinger equation in fiber optics.

problem Inverting the nonlinear Schrödinger equation in real-time for fiber-optic communications.
method Jointly optimizing filters using deep learning to reduce complexity.
result Reduced complexity to around 2-6 times that of linear equalization.

Paper applies ML to improve fiber nonlinearity modeling and monitoring for EONs.

problem Improving accuracy of fiber nonlinearity models for EONs.
method Uses machine learning to calibrate and combine modeling and monitoring schemes.
result Significant improvement in NLI variance estimation using ML.

Physics-based deep learning improves fiber-optic communication efficiency.

problem Improving signal propagation in fiber-optic communication systems.
method Parameterizing the split-step method of solving the nonlinear Schrödinger equation as a deep neural network.
result Filters can be pruned to as few as 3 taps/step without sacrificing performance.

Hybrid Amortized Inference improves PPG model interpretability.

problem Tension between PPG biomarker accuracy and clinical interpretability.
method Introduces PPGen for biophysical PPG signal-physiological parameter relation, and HAI for fast, robust estimation.
result Hybrid Amortized Inference accurately infers physiological parameters from PPG signals.

Neural networks outperform conventional filters in inertial sensor-based attitude estimation.

problem Limited accuracy in inertial sensor-based attitude estimation due to dynamic and static motion.
method Investigated neural networks versus conventional filters for improving accuracy.
result Neural networks outperform conventional filters only with domain-specific optimizations.

Improved heart rate and activity recognition with low-power wrist sensors.

problem Challenges in battery life, cost, and sensor performance in wrist-worn sensing applications.
method Used photoplethysmography (PPG) for heart rate and activity recognition, applying transfer learning and CNNs.
result Low sampling frequencies (5 Hz and 10 Hz) achieved good performance in heart rate and activity recognition.

Machine learning improves network analysis and self-management in optical communications.

problem Complexity and data heterogeneity in optical networks require advanced mathematical tools.
method Application of Machine Learning techniques to analyze and manage network data.
result Machine learning enables automated network self-configuration and fault management.

The paper defines and characterizes 2-Ruled hypersurfaces in Minkowski 4-space using octonions.

problem Characterizing 2-Ruled hypersurfaces in Minkowski 4-space.
method Definition and analysis of 2-Ruled hypersurfaces using octonions.
result Characterizations of Gaussian and mean curvatures of 2-Ruled hypersurfaces.

Classifies Ricci flat Lorentzian manifolds with Kerr-like optical structures.

problem Classifying Ricci flat Lorentzian manifolds with specific optical structures.
method Simple construction method to explicitly create examples of Ricci flat Lorentzian manifolds.
result Two large classes of 4-dimensional Kerr type manifolds, each fibering over open Riemann surfaces.

LSTM neural networks improve fiber nonlinearities in coherent systems.

problem Compensating fiber nonlinearities in digital coherent systems.
method Utilization of Long short-term memory (LSTM) neural networks.
result LSTM neural networks provide superior performance compared to digital back propagation, especially in multi-channel scenarios.

Two machine learning applications for IP/Optical networks: traffic prediction and optical path performance.

problem Agile resource management and optical path performance prediction in IP/Optical networks.
method Machine learning for traffic prediction and optical performance prediction using SDN controllers.
result Efficient implementation of SDN controllers for agile resource management and optical path performance prediction.

This work improves optic disc and cup segmentation for glaucoma detection.

problem Automatic segmentation of optic disc and cup on eye fundus images for glaucoma diagnosis.
method Modification of U-Net convolutional neural network.
result Our method achieves comparable quality to state-of-the-art methods, with faster prediction times.

Paper tackles depth estimation and optic disc-cup segmentation from color fundus images.

problem Depth estimation and optic disc-cup segmentation from color fundus images.
method Uses fully convolutional networks for monocular retinal depth estimation and optic disc-cup segmentation.
result Demonstrates improved accuracy in depth estimation and optic disc-cup segmentation.

Deep learning enhances optical microscopy and image reconstruction.

problem Improving image data transformations in optical microscopy.
method Application of deep learning methods on optical microscopy and image reconstruction.
result Deep learning enables new transformations among different modes and modalities of microscopic imaging.

GANPOP uses deep learning to estimate optical properties from single images, improving accuracy over existing methods.

problem Estimating optical properties from single wide-field images.
method Conditional generative adversarial networks trained on paired images and optical property maps.
result GANPOP estimates optical properties with 58% higher accuracy than single-snapshot optical property technique in human gastrointestinal specimens.

Paper develops a deforestation detection system using optical and SAR data.

problem Detecting tree-loss in dense forests using satellite data.
method Combines optical and SAR data, uses KL expansion for anomaly detection, and Hidden Markov Model for classification.
result Hybrid method achieves high accuracy and robustness in sparse optical data.

Study of optical geometries with intrinsic torsion in general relativity.

problem Understanding null line distributions and their properties in Lorentzian manifolds.
method Investigation of intrinsic torsion and congruences of null curves, extending to generalized optical geometries.
result Characterization of conformal properties of null line distributions and congruences.

Paper develops machine learning to translate SAR to optical images for easier interpretation.

problem Difficulty in human interpretation of SAR images due to non-adapted human vision to microwave scattering.
method Develops a novel reciprocal GAN scheme to train machine intelligence on co-registered SAR and optical images.
result The proposed translation network works well under various SAR and optical image resolutions and polarizations.

Express Wavenet reduces neural network parameters to 1% of standard networks.

problem Optical neural networks with high parameter count.
method Wavelet modulation, random shift wavelets, expressway structure.
result Express Wavenet achieves high accuracy with significantly fewer parameters.

Novel video prediction method for complex urban scenes using optical flow.

problem Making accurate future frame predictions in complex urban scenes.
method Optical flow conditioned method using video sequences and optical flow sequences.
result Empirical evaluations show the effectiveness of the method on KITTI and Cityscapes datasets.

The paper solves the isoperimetric problem in Riemannian optical geometry, proving circles minimize lengths with area constraints.

problem Optical geometry of static spherically symmetric spacetimes.
method Applying isoperimetric problem results to curves in Riemannian optical geometry.
result Length-minimizing curves with area constraints are circles, with implications for photon spheres.

A new compressed sensing system speeds up PSTE detection.

problem Accurately detecting fast, small optical events (PSTEs) is challenging.
method Developed a novel compressed sensing algorithm for rolling shutter systems.
result Accurately recovered PSTEs with spatial undersampling, showing speed and quality advantages.

A drone-based MOT algorithm tracks vehicles using neural network detections and TPMBM filter.

problem Tracking multiple vehicles from drone-mounted cameras.
method Neural network for object detection, TPMBM filter for trajectory estimation, von-Mises Fisher distribution for DOA.
result TPMBM filter optimally estimates vehicle trajectories.

Designs chiral photonic structures using machine learning for efficient optical properties.

problem Optimizing chiral photonic nanostructures for light-matter interactions.
method Evolutionary algorithm and neural network approach for rapid optimization.
result Frequency-dependent modification in reflected light's degree of circular polarization.

New methods for constructing null fluid metrics and solving optical lift conjectures.

problem Constructing null fluid metrics and solving optical lift conjectures.
method Explicit parameterization of null fluid metrics under Kerr type optical structures.
result New explicit metrics, including Kerr black holes and Ricci flat examples.

Hamilton proved a theorem about focusing light rays, leading to new mathematical concepts.

problem Focusing light rays to a single point using optical instruments.
method Original proof and symplectic geometry proof of the Malus-Dupin theorem.
result A family of light rays can be focused to a single point if they are rectangular before entering the instrument.