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๐Ÿ” spatial analysis ๐Ÿ“‚ Engineering
Showing 32423 results for "spatial analysis" in Engineering
Engineering Preprint PDF DOI

Utilizing Inpainting for Keypoint Detection for Vision-Based Control of Robotic Manipulators

Sreejani Chatterjee, Venkatesh Mullur, Abhinav Gandhi, Berk Calli ยท 2026

In this paper we present a novel visual servoing framework to control a robotic manipulator in the configuration space by using purely natural visual features. Our goal is to develop methods that can โ€ฆ

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Engineering Preprint PDF DOI

Early-Warning Learner Satisfaction Forecasting in MOOCs via Temporal Event Transformers and LLM Text Embeddings

Anna Kowalczyk, Jakub Kowalski ยท 2026

Learner satisfaction is a critical quality signal in massive open online courses (MOOCs), directly influencing retention, engagement, and platform reputation. Most existing methods infer satisfaction โ€ฆ

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Engineering Preprint PDF DOI

Closed-Form Characterization of Constrained Double-Integrator Optimal Control

Filippos N. Tzortzoglou, Logan E. Beaver, Andreas A. Malikopoulos ยท 2026

We consider the energy-optimal control problem for double-integrator systems subject to state and control constraints, with fixed terminal time and free terminal speed. When the constraints become actโ€ฆ

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Engineering Preprint PDF DOI

ESN-DAGMM: A Lightweight Framework for Unsupervised Time-Series Data Monitoring in 5G O-RAN Networks

Andrew J Chen, Raymond Zhao, Lingjia Liu ยท 2026

Open Radio Access Network (O-RAN) is an important 5G network architecture enabling flexible communication with adaptive strategies for different verticals. However, testing for O-RAN deployments involโ€ฆ

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Engineering Preprint PDF DOI

RMGS-SLAM: Real-time Multi-sensor Gaussian Splatting SLAM

Dongen Li, Yi Liu, Junqi Liu, Zewen Sun, Zefan Huang, Shuo Sun, Jiahui Liu, Chengran Yuan, Hongliang Guo, Francis E.H. Tay, Marcelo H. Ang Jr ยท 2026

Achieving real-time Simultaneous Localization and Mapping (SLAM) based on 3D Gaussian splatting (3DGS) in large-scale real-world environments remains challenging, as existing methods still struggle toโ€ฆ

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Engineering Preprint PDF DOI

A Wearable ECG Device for Differentiating Hypertrophic Cardiomyopathy from Acquired Left Ventricular Hypertrophy

Jiachen Li, Hanyu Zhu, Edward Kim, Shihao Li, Katherine Cavanaugh, Arpan Patel, Sovik De Sirkar, Mauricio Hong, Wei Li, Dongmei Chen ยท 2026

Hypertrophic Cardiomyopathy (HCM) is a genetic heart disease affecting approximately 1 in 500 people and is the leading cause of sudden cardiac death in young athletes. Current diagnostic methods -- cโ€ฆ

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Engineering Preprint PDF DOI

Robotic Manipulation is Vision-to-Geometry Mapping ($f(v) \rightarrow G$): Vision-Geometry Backbones over Language and Video Models

Zijian Song, Qichang Li, Jiawei Zhou, Zhenlong Yuan, Tianshui Chen, Liang Lin, Guangrun Wang ยท 2026

At its core, robotic manipulation is a problem of vision-to-geometry mapping ($f(v) \rightarrow G$). Physical actions are fundamentally defined by geometric properties like 3D positions and spatial reโ€ฆ

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Engineering Preprint PDF DOI

Evolving the Complete Muscle: Efficient Morphology-Control Co-design for Musculoskeletal Locomotion

Lidong Sun, Wentao Zhao, Ye Wang, Huaping Liu, Fuchun Sun ยท 2026

Musculoskeletal robots offer intrinsic compliance and flexibility, providing a promising paradigm for versatile locomotion. However, existing research typically relies on models with fixed muscle physโ€ฆ

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Engineering Preprint PDF DOI

Actuation space reduction to facilitate insightful shape matching in a novel reconfigurable tendon driven continuum manipulator

Sabyasachi Dash, John Golden, Girish Krishnan ยท 2026

In tendon driven continuum manipulators (TDCMs), reconfiguring the tendon routing enables tailored spatial deformation of the backbone. This work presents a design in which tendons can be rerouted eitโ€ฆ

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Fluid Antennas Meet Rate-Splitting Multiple Access: A New Path Forward for 6G Networks

Jinyuan Liu, Yong Liang Guan, Hong Niu, Qian Zhang, Merouane Debbah, Hyundong Shin, Bruno Clerckx ยท 2026

Future sixth-generation (6G) networks require high spectral efficiency (SE), massive connectivity, and stringent reliability under imperfect channel state information at the transmitter. Rate-splittinโ€ฆ

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Engineering Preprint PDF DOI

Machine Learning-Based Real-Time Detection of Compensatory Trunk Movements Using Trunk-Wrist Inertial Measurement Units

Jannis Gabler, Clement Lhoste, Max Quast, Laura Mayrhuber, Andrea Ronco, Olivier Lambercy, Paulius Viskaitis, Dane Donegan ยท 2026

Compensatory trunk movements (CTMs) are commonly observed after stroke and can lead to maladaptive movement patterns, limiting targeted training of affected structures. Objective, continuous detectionโ€ฆ

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Engineering Preprint PDF DOI

Situation-Aware Feedback-Predictive Control Framework for Lane-Less Dense Traffic

Parthib Khound, Debraj Chakraborty ยท 2026

Navigating dense, lane-less traffic remains one of the most challenging scenarios for autonomous vehicles, especially in emerging regions where road structure and driver behavior are highly unpredictaโ€ฆ

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Feature-Level Robustness of Physics-Guided Micro-Doppler Descriptors for classification of Drones and Birds

Shaiq e Mustafa, Salman Liaquat, Imran Hafeez Abbasi, Azhar Hasan ยท 2026

Micro-Doppler signatures are a proven modality for discriminating between drones and birds, but their reliability degrades in low-SNR, data-constrained settings where deep learning models often fail. โ€ฆ

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Respiration Monitoring of Multiple People using Multi-site FMCW SISO Radar Systems

Lang Qin, Mandong Zhang, Wenting Song, Zhiqiang Huang, Xiaoguang Liu ยท 2026

Continuous contactless respiration monitoring of co-sleeping subjects faces a dilemma: conventional single-site multiple-input multiple-output (MIMO) radars struggle with limited angular resolution foโ€ฆ

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Distributionally Robust Stochastic MPC under Disturbance-Affine Feedback Policies

Xu Chen, Lorenz Dorschel ยท 2026

This study addresses the stochastic Model Predictive Control (MPC) problem for linear time-invariant systems subjected to unknown disturbance distributions. By leveraging the most recent disturbance dโ€ฆ

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From Kinematics to Dynamics: Learning to Refine Hybrid Plans for Physically Feasible Execution

Lidor Erez, Shahaf S. Shperberg, Ayal Taitler ยท 2026

In many robotic tasks, agents must traverse a sequence of spatial regions to complete a mission. Such problems are inherently mixed discrete-continuous: a high-level action sequence and a physically fโ€ฆ

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RIS-Aided Sensing: Experimental Validation of Radar 3D Imaging in the mmWave Band

Sergio Mico-Rosa, Alvaro Villaescusa-Tebar, Saul Fenollosa, Carlos Villena-Jimenez, Monika Drozdowska, Narcis Cardona ยท 2026

The transition toward 6G networks demands energy-efficient hardware capable of active interaction with the environment. Reconfigurable Intelligent Surfaces (RIS) have emerged as a key technology for Iโ€ฆ

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Room compensation for loudspeaker reproduction using a supporting source

James Brooks-Park, S{o}ren Bech, Jan {O}stergaard, Steven van de Par ยท 2026

Room compensation aims to improve the accuracy of loudspeaker reproduction in reverberant environments. Traditional methods, however, are limited to improving only spectral (timbral) and temporal accuโ€ฆ

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Contextual Biasing for ASR in Speech LLM with Common Word Cues and Bias Word Position Prediction

Sashi Novitasari, Takashi Fukuda, Kurata Gakuto, George Saon ยท 2026

Speech-aware LLMs (SLLMs) have recently achieved state-of-the-art ASR performance; however, they still fail to accurately transcribe bias words that appear rarely or never in the training data. Contexโ€ฆ

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Engineering Preprint PDF DOI

VoxEffects: A Speech-Oriented Audio Effects Dataset and Benchmark

Zhe Zhang, Yigitcan Ozer, Junichi Yamagishi ยท 2026

Speech audio in the wild is often processed by post-production effects, but existing speech datasets rarely provide precise annotations of effects and parameters, limiting systematic study. We introduโ€ฆ

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