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.

169,051 papers · 148 categories

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4589134178 · Jun 202019922001200920182026
48 results for indoor mapping

Efficiently maps indoor magnetic fields with SKI and D-SKI.

problem Computing large-scale magnetic field maps in indoor environments.
method Structured kernel interpolation (SKI) with derivatives (D-SKI) for Gaussian process regression.
result Achieves better accuracy and faster computation than state-of-the-art methods.

Improves magnetic field mapping using an array of magnetometers with noisy input.

problem Improving magnetic field maps in indoor environments with noisy magnetometer data.
method Uses Gaussian process regression with an array of magnetometers, incorporating known array positions and relative magnetometer locations.
result The method produces higher quality magnetic field maps compared to using a single magnetometer.

New model estimates indoor radon distribution with higher spatial resolution.

problem Accurate estimation of indoor radon concentration for health assessment.
method Quantile regression forest and probabilistic Monte Carlo sampling.
result Approximate lognormal distribution of indoor radon in Germany with specific exceedance probabilities.

We present an algorithm for converting an indoor spherical panorama into a photograph with a simulated overhead view. The resulting image will have an extremely wide field of view covering up to 4π steradians of the spherical panorama. We argue that our method complements the stereographic projection commonly used in t…

2012-06-10abs ↗pdf ↗

A new method learns continuous occupancy fields efficiently using the Ising model.

problem Efficiently learning continuous occupancy fields for robot navigation.
method Generalizes the Ising model to model continuous occupancy fields, using a unique kernel for range measurements.
result The method is computationally efficient and requires only a small number of hyperparameters.

Paper presents a new Wi-Fi RSS and geomagnetic field database for indoor localization and trajectory estimation.

problem Indoor localization and trajectory estimation challenges.
method Convolutional neural network (CNN) for RSS data and LSTM network for geomagnetic field intensity.
result CNN and LSTM networks show feasibility for localization and trajectory estimation.

This paper improves indoor positioning accuracy by deploying reference nodes to ensure Line-of-Sight.

problem Systematic bias errors in indoor positioning due to non-LoS propagation.
method Model indoor service area as a graph, partition into cliques for reference nodes, set minimum distance and angle parameters.
result Guaranteed LoS to reference nodes improves indoor positioning accuracy and precision.

RETR improves indoor radar perception with a novel transformer model.

problem Indoor radar perception lacks models tailored for multi-view radar settings.
method RETR extends DETR architecture with depth-prioritized feature similarity, tri-plane loss, and radar-to-camera transformation.
result RETR outperforms state-of-the-art methods by 15.38+ AP for object detection and 11.91+ IoU for instance segmentation.

Autoencoder neural networks reconstruct missing indoor environment data.

problem Missing data in building operation data sets.
method Three different autoencoder neural networks trained to reconstruct missing data.
result Reconstructing variables with average RMSEs of 0.42 °C, 1.30 % and 78.41 ppm.

We propose an automatic method to infer high dynamic range illumination from a single, limited field-of-view, low dynamic range photograph of an indoor scene. In contrast to previous work that relies on specialized image capture, user input, and/or simple scene models, we train an end-to-end deep neural network that di…

2017-04-01abs ↗pdf ↗

Paper proposes a graph model for optimal AP deployment in indoor optical wireless networks.

problem Challenges in deploying optical wireless networks due to LoS requirement and limited range.
method Graph modeling approach to identify minimum number of APs and their optimal locations.
result Optimal deployment of APs ensures connectivity and minimizes interference in indoor environments.

New method combines neural networks and data assimilation for indoor air quality prediction.

problem Accurate and fast prediction of indoor air quality using real-time data.
method Combines Data Assimilation and Machine Learning using a Convolutional neural network and Long-Short-Term-Memory.
result Improved accuracy of dynamic system representation by integrating real data.

Paper proposes a feature-wise change detection method for improving indoor positioning accuracy.

problem Improving the quality of reference fingerprint maps in indoor positioning systems.
method Inspired by RANSAC, the paper uses resampling of features to estimate intermediate locations and identifies candidate locations using MJI.
result The approach improves positioning accuracy by 20% and achieves 90% change detection accuracy.

Paper proposes a SIMO DNN for indoor localization using Wi-Fi fingerprints.

problem Indoor localization with high accuracy and efficiency.
method Single-input and multi-output deep neural network architecture.
result SIMO-DNN scheme outperforms existing methods in floor detection and location accuracy.

SLAM-net learns to navigate visually in challenging indoor environments.

problem Challenges in SLAM for visual robot navigation, especially in noisy conditions.
method Differentiable SLAM Network (SLAM-net) that encodes a particle filter SLAM algorithm in a differentiable graph and learns components through backpropagation.
result Significantly outperforms ORB-SLAM in noisy conditions and improves the Habitat Challenge 2020 PointNav task.

This paper proposes an approach for rapid bounding box annotation for object detection datasets. The procedure consists of two stages: The first step is to annotate a part of the dataset manually, and the second step proposes annotations for the remaining samples using a model trained with the first stage annotations. …

2018-07-03abs ↗pdf ↗

Two deep learning models improve indoor location prediction from WiFi fingerprints.

problem Indoor location prediction from WiFi fingerprints.
method Convolutional mixture density recurrent neural network and VAE-based semi-supervised learning model.
result Proposed models outperform existing methods in real-world datasets.

The paper optimizes predicting future window states in buildings using past climate data.

problem Predicting future window opening actions based on past climate data.
method Trained a deep neural network to predict window states using indoor climate data sequences of 30-240 time-steps.
result Optimal predictive performance achieved with 60 time-steps of indoor climate data, and long sequences could be addressed efficiently.

VNLA uses vision and language to guide agents in finding objects in indoor environments.

problem Guiding agents in finding objects in indoor environments via language.
method Developed I3L framework for imitation learning with indirect intervention.
result Significantly improved success rate of learning agents over baselines.

AGML model improves indoor localization with sparse fingerprints using meta-learning and graph neural networks.

problem Maintaining high localization accuracy with extremely sparse fingerprints.
method Attentional Graph Neural Network (AGNN) and meta-learning framework with data augmentation strategies.
result AGML model consistently outperforms baseline methods across various metrics.

Paper proposes a new Markov model for efficient PLC system design.

problem Efficient estimation of Markov model parameters for bursty error channels.
method Introduced a Block Diagonal Markov model and a modified Baum-Welch algorithm.
result Efficient estimation of state transition matrix ΛΛ for PLC system design.

Study classifies surface types for autonomous indoor robots using inertial data.

problem Classifying surface types for wheeled robots in indoor environments.
method Prepared a time series dataset of inertial measurements, used deep learning and ensemble machine learning models.
result Baseline model achieved over 68% accuracy on a nine-category surface type dataset.

The paper improves safety in autonomous systems using adversarial learning.

problem Ensuring safety in real-time control systems of autonomous vehicles.
method The paper introduces a dual anomaly detection framework (CFAM and SFAM) using generative adversarial networks (GANs) and video prediction.
result Demonstrated effectiveness on both indoor and outdoor autonomous ground vehicles.

Bayesian segmentation and uncertainty estimation improve 3D model accuracy for factory planning.

problem Generating accurate 3D models from outdated and incomplete 2D data.
method Bayesian neural network for point cloud segmentation and entropy-based uncertainty estimation.
result Bayesian segmentation network significantly improves model accuracy and object identification.

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.