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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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48 results for Lidar

Federated LIDAR aided beam selection reduces mmWave beam search overhead.

problem Efficient link configuration in mmWave communication systems with reduced beam search overhead.
method Federated learning of LIDAR data to train a shared neural network for beam selection.
result Proposed method significantly outperforms previous works in performance and complexity.

Improved road segmentation on low-res LIDAR data for autonomous vehicles.

problem Low-resolution LIDAR data affects road segmentation accuracy in autonomous vehicles.
method Subsampled LIDAR data transformation into feature maps, use local normal vector with spherical coordinates.
result Improves road segmentation accuracy on low-resolution LIDAR data.

PointPainting fuses lidar and image data for better 3D object detection.

problem Lidar-only methods outperform fusion methods on 3D object detection benchmarks.
method Sequential fusion by projecting lidar points into image segmentation output and appending class scores.
result Significant improvements on state-of-the-art 3D object detection methods on KITTI and nuScenes datasets.

Industrial vehicle uses LiDAR and camera to detect and avoid restricted areas.

problem Avoiding collisions in industrial settings with automated vehicles.
method Combining LiDAR and camera data, using deep learning for projection, and model-predictive control.
result Reduces false positives in LiDAR detection of reflective beacons.

Improved 3D LiDAR data classification using product coefficients.

problem Enhancing accuracy in 3D LiDAR data classification.
method Introducing product coefficients derived from measure theory as additional features in the classification process, alongside PCA.
result Significant improvement in classification accuracy with product coefficients.

This study examines LiDAR spoofing attacks on autonomous vehicle perception.

problem Security vulnerabilities in LiDAR-based perception systems in autonomous driving.
method Formulated as an optimization problem, designed input perturbation and objective functions, combined optimization and global sampling.
result Attack success rates improved to around 75% through strategic input perturbation.

Study improves semantic segmentation of LiDAR point clouds for autonomous vehicles.

problem Semantic understanding of 3D LiDAR data for autonomous vehicles.
method Image-based semantic segmentation architectures, network size optimization, improved point cloud projection, soft Dice loss, reduced weight-sharing convolution.
result 3.2% increase in mIoU segmentation performance with 42% reduction in inference time.

Waymo Open Dataset provides a large, diverse, and synchronized LiDAR and camera dataset for autonomous driving research.

problem Limited diversity and scale in existing self-driving datasets hinder real-world problem alignment.
method Developed a new large-scale, high-quality, diverse dataset with synchronized LiDAR and camera data.
result The dataset is 15x more diverse than the largest existing dataset based on a proposed diversity metric.

DALES offers a large annotated aerial LiDAR dataset for 3D deep learning.

problem Lack of large-scale annotated aerial LiDAR datasets for deep learning.
method Collection and annotation of over half a billion hand-labeled points from an ALS scanner.
result DALES is the most extensive publicly available ALS data set with improved resolution and coverage.

Proposes a new convolutional neural network for non-grid data.

problem Limited applicability of standard CNNs to non-grid structured data.
method Introduces Parametric Continuous Convolution (PCC) with learnable kernel functions.
result Significant improvement in point cloud segmentation and lidar motion estimation.

Study uses satellite and lidar data to map forest height and biomass in France.

problem Mapping forest resources and carbon in large areas.
method Machine learning approach using Sentinel-1, Sentinel-2, ALOS-2, and GEDI Lidar data.
result High-resolution maps of forest height and biomass produced with good accuracy.

3D object detection improved using energy-based models.

problem Accurate 3D object detection in cluttered environments from sparse LiDAR data.
method Designing a differentiable pooling operator for 3D bounding boxes integrated into a state-of-the-art 3D object detector.
result Our approach consistently outperforms the SA-SSD baseline across all 3DOD metrics on the KITTI dataset.

PRECOG predicts future interactions between AVs and other drivers.

problem Autonomous vehicles need to predict human drivers' intentions for safe road behavior.
method Probabilistic forecasting model trained on real and simulated data.
result Our model predicts future interactions more accurately than existing methods.

MFM improves generative model interpolations by learning approximate geodesics on data manifolds.

problem Straight interpolations fail to capture dynamics on data manifolds.
method Metric Flow Matching (MFM) learns approximate geodesics by minimizing kinetic energy of a data-induced Riemannian metric.
result MFM outperforms Euclidean baselines, achieving SOTA on single-cell trajectory prediction.

This paper solves the normalizability crisis in sequential inference by introducing bounded information geometry.

problem Structural failure in standard sequential inference architectures when dealing with extreme outliers.
method Non-parametric field actions and bounded information geometry to truncate infinite tails of spatial distributions.
result Empirical benchmarks across three domains show robust estimation without infinite-tailed distributional assumptions.

The article develops a mathematical theory for uniformly distributing points on surfaces.

problem Creating representative point clouds on surfaces and higher-dimensional manifolds.
method Using Cauchy Crofton formula and its generalizations from Integral Geometry.
result A rigorous mathematical theory for point clouds on various manifolds.

A 1D-fully convolutional network classifies 3D point clouds efficiently.

problem Efficiently classifying 3D point clouds with reliable features.
method Directly consumes terrain-normalized points and spectral data, implicitly learning contextual features.
result Ranked second in ISPRS 3D Semantic Labeling Contest with 81.6% overall accuracy.

This research detects and identifies human-made objects in 3D point clouds using novel methods.

problem Detect and identify human-made objects in 3D point clouds.
method Ground filtering, local information extraction, clustering using Marked Point Fields (MPFs) and Hessian matrix.
result The proposed method outperforms previous techniques in detecting human-made objects.

Deep RL learns driving decisions from compact scene descriptions.

problem Learning consistent driving behavior from varying environments.
method Compact semantic state representation for reinforcement learning.
result Agent adapts behavior online without re-training.

LEAK learns from mistakes to improve point cloud segmentation.

problem Improving point cloud semantic segmentation performance.
method Coarse-to-fine clustering, class-conditional prototypical feature alignment, fairness weighting.
result State-of-the-art performances on different architectures, datasets, and tasks.

Adaptive Quantization Modules enable online continual compression of non-i.i.d data streams.

problem Learning to compress and store a dataset from a non-i.i.d data stream, only observing each sample once.
method Discrete auto-encoders and Adaptive Quantization Modules (AQM) to control compression ability.
result Significant gains on continual learning benchmarks with AQM replacing episodic memory.

End-to-end autonomous driving perception learns latent features for better performance.

problem Current autonomous driving systems are complex and require human engineering.
method Sequential latent representation learning for end-to-end perception.
result End-to-end perception model solves detection, tracking, localization, and mapping problems.

A novel multi-stage clustering framework improves radar data processing for autonomous vehicles.

problem High sparsity and low dimensionality of radar data makes clustering challenging.
method First, filter out static background data. Then, apply a two-stage clustering approach: 1) low-dimensional clustering, 2) feature extraction from clusters.
result Clear benefits of the first two methods and cluster merging process under specific circumstances.

We apply variational inference to learn vehicle trajectory parameters from noisy data.

problem Learning parameters for vehicle trajectory estimation from noisy measurements.
method Gaussian variational inference with parameter learning in a motion and sensor model context.
result High-quality state estimates achieved even with outliers and false loop closures.

Paper develops a scalable distributed inference algorithm for sensor networks.

problem Efficient inference in intelligent sensor networks for location, tracking, and mapping.
method Distributed variational inference algorithm for continuous variables and large-scale data.
result Derives a separable lower bound for distributed variational inference with one-hop communication.

New algorithm preserves transport maps for better diffusion model training.

problem Training diffusion models with task-specific optimality structures.
method Generalized Schrödinger Bridge Matching (GSBM), inspired by conditional stochastic optimal control.
result GSBM better preserves transport maps, enabling stable convergence and improved scalability.