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

Few-Shot Distribution-Aligned Flow Matching for Data Synthesis in Medical Image Segmentation

Jie Yang, Ziqi Ye, Aihua Ke, Jian Luo, Bo Cai, Xiaosong Wang ยท 2026

Data heterogeneity hinders clinical deployment of medical image analysis models, and generative data augmentation helps mitigate this issue. However, recent diffusion-based methods that synthesize imaโ€ฆ

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Engineering Preprint PDF DOI

Vision-Based End-to-End Learning for UAV Traversal of Irregular Gaps via Differentiable Simulation

Linzuo Zhang, Yu Hu, Feng Yu, Yang Deng, Wenxian Yu, Danping Zou ยท 2026

-Navigation through narrow and irregular gaps is an essential skill in autonomous drones for applications such as inspection, search-and-rescue, and disaster response. However, traditional planning anโ€ฆ

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Engineering Preprint PDF DOI

Task-Guided Prompting for Unified Remote Sensing Image Restoration

Wenli Huang, Yang Wu, Xiaomeng Xin, Zhihong Liu, Jinjun Wang, Ye Deng ยท 2026

Remote sensing image restoration (RSIR) is essential for recovering high-fidelity imagery from degraded observations, enabling accurate downstream analysis. However, most existing methods focus on sinโ€ฆ

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Engineering Preprint PDF DOI

A Rapid Instrument Exchange System for Humanoid Robots in Minimally Invasive Surgery

Bingcong Zhang, Yihang Lyv, Lianbo Ma, Yushi He, Pengfei Wei, Xingchi Liu, Jinhua Li, Jianchang Zhao, Lizhi Pan ยท 2026

Humanoid robot technologies have demonstrated immense potential for minimally invasive surgery (MIS). Unlike dedicated multi-arm surgical platforms, the inherent dual-arm configuration of humanoid robโ€ฆ

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Engineering Preprint PDF DOI

Differentiable SpaTiaL: Symbolic Learning and Reasoning with Geometric Temporal Logic for Manipulation Tasks

Licheng Luo, Kaier Liang, Cristian-Ioan Vasile, Mingyu Cai ยท 2026

Executing complex manipulation in cluttered environments requires satisfying coupled geometric and temporal constraints. Although Spatio-Temporal Logic (SpaTiaL) offers a principled specification framโ€ฆ

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Engineering Preprint PDF DOI

Robust Beamforming Design for Coherent Distributed ISAC with Statistical RCS and Phase Synchronization Uncertainty

Seonghoon Yoo, Seulhyun Kwon, Kawon Han, Elaheh Ataeebojd, Mehdi Rasti, Joonhyuk Kang ยท 2026

Distributed integrated sensing and communication (D-ISAC) enables multiple spatially distributed nodes to cooperatively perform sensing and communication. However, achieving coherent cooperation acrosโ€ฆ

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Engineering Preprint PDF DOI

Data-Driven Nonconvex Reachability Analysis using Exact Set Propagation

Zhen Zhang, M. Umar B. Niazi, Michelle S. Chong, Karl H. Johansson, Amr Alanwar ยท 2026

This paper studies deterministic data-driven reachability analysis for dynamical systems with unknown dynamics and nonconvex reachable sets. Existing deterministic data-driven approaches typically empโ€ฆ

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Engineering Preprint PDF DOI

Synchronous Condensers: Enhancing Stability in Power Systems with Grid-Following Inverters

Amir Sajadi, Barry Mather, Bri-Mathias Hodge ยท 2026

Large-scale integration of inverter-based resources into power grids worldwide is challenging their stability and security. This paper takes a closer look at synchronous condensers as a solution to miโ€ฆ

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Engineering Preprint PDF DOI

An Online Learning Approach for Two-Player Zero-Sum Linear Quadratic Games

Shanting Wang, Weihao Sun, Andreas A. Malikopoulos ยท 2026

In this paper, we present an online learning approach for two-player zero-sum linear quadratic games with unknown dynamics. We develop a framework combining regularized least squares model estimation,โ€ฆ

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Engineering Preprint PDF DOI

Managing Diabetic Retinopathy with Deep Learning: A Data Centric Overview

Shramana Dey, Zahir Khan, T. A. PramodKumar, B. Uma Shankar, Ashis K. Dhara, Ramachandran Rajalakshmi, Rajiv Raman, Sushmita Mitra ยท 2026

Diabetic Retinopathy (DR) is a serious microvascular complication of diabetes, and one of the leading causes of vision loss worldwide. Although automated detection and grading, with Deep Learning (DL)โ€ฆ

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Engineering Preprint PDF DOI

ReVAR: A Data-Driven Algorithm for Generating Aero-Optic Phase Screens

Jeffrey W. Utley, Gregery T. Buzzard, Charles A. Bouman, Matthew R. Kemnetz ยท 2026

The propagation of light through a turbulent flow field around an aircraft results in optical distortions commonly known as aero-optic effects. The development of methods to mitigate these effects reqโ€ฆ

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Engineering Preprint PDF DOI

Stop Wandering: Efficient Vision-Language Navigation via Metacognitive Reasoning

Xueying Li, Feng Lyu, Hao Wu, Mingliu Liu, Jia-Nan Liu, Guozi Liu ยท 2026

Training-free Vision-Language Navigation (VLN) agents powered by foundation models can follow instructions and explore 3D environments. However, existing approaches rely on greedy frontier selection aโ€ฆ

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Engineering Preprint PDF DOI

Sensitivity analysis for stopping criteria with application to organ transplantations

Xingyu Ren, Michael C. Fu, Steven I. Marcus ยท 2026

We consider a stopping problem and its application to the decision-making process regarding the optimal timing of organ transplantation for individual patients. At each decision period, the patient stโ€ฆ

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Grey-Box Bayesian Optimization for ISAC in Fluid-Antenna Assisted Air-Ground Network

Gangyong Zhu, Jia Yan, Miaowen Wen, Shijian Gao ยท 2026

Fluid antenna systems (FAS) provide extra position agile spatial diversity for integrated sensing and communication (ISAC), by jointly optimizing the port selection and precoding. However, this optimiโ€ฆ

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Engineering Preprint PDF DOI

Transformer-Enhanced Data-Driven Output Reachability with Conformal Coverage Guarantees

Zhen Zhang, Peng Xie, Wenyuan Wu, Yanliang Huang, Amr Alanwar ยท 2026

This paper considers output reachability analysis for linear time-invariant systems with unknown state-space matrices and unknown observation map, given only noisy input-output measurements. The Cayleโ€ฆ

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Engineering Preprint PDF DOI

Backup-Based Safety Filters: A Comparative Review of Backup CBF, Model Predictive Shielding, and gatekeeper

Taekyung Kim, Aswin D. Menon, Akshunn Trivedi, Dimitra Panagou ยท 2026

This paper revisits three backup-based safety filters -- Backup Control Barrier Functions (Backup CBF), Model Predictive Shielding (MPS), and gatekeeper -- through a unified comparative framework. Usiโ€ฆ

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Engineering Preprint PDF DOI

Transformer-Accelerated Interpolated Data-Driven Reachability Analysis from Noisy Data

Zhen Zhang, Ahmad Hafez, Peng Xie, Yanliang Huang, Wenyuan Wu, Amr Alanwar ยท 2026

Data-driven reachability analysis provides guaranteed outer approximations of reachable sets from input-state measurements, yet each propagation step requires a matrix-zonotope multiplication whose coโ€ฆ

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Engineering Preprint PDF DOI

O-ConNet: Geometry-Aware End-to-End Inference of Over-Constrained Spatial Mechanisms

Haoyu Sun, Meng Zhao, Tianhao Wang, Jianxu Wu ยท 2026

Deep learning has shown strong potential for scientific discovery, but its ability to model macroscopic rigid-body kinematic constraints remains underexplored. We study this problem on spatial over-coโ€ฆ

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Engineering Preprint PDF DOI

Integrated Identification of Collaborative Robots for Robot Assisted 3D Printing Processes

Alessandro Dimauro, Davide Tebaldi, Fabio Pini, Luigi Biagiotti, Francesco Leali ยท 2026

In recent years, the integration of additive manufacturing (AM) and industrial robotics has opened new perspectives for the production of complex components, particularly in the automotive sector. Robโ€ฆ

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Engineering Preprint PDF DOI

PLL Based Sub-/Super-synchronous Resonance Damping Controller for D-PMSG Wind Farm Integrated Power Systems

Songhao Yang, Ruixin Shen, Jin Shu, Tao Zhang, Yujun Li, Baohui Zhang, Zhiguo Hao ยท 2026

Existing sub-/super-synchronous (SSO) suppression methods for the direct-drive permanent magnet synchronous generators (D-PMSG) integrated power systems are mainly achieved by external devices or sub-โ€ฆ

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