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๐Ÿ” jun chen ๐Ÿ“‚ Engineering
Showing 503 results for "jun chen" in Engineering
Engineering Preprint PDF DOI

Represent Micro-Doppler Signature in Orders

Weicheng Gao ยท 2026

Non-line-of-sight sensing of human activities in complex environments is enabled by multiple-input multiple-output through-the-wall radar (TWR). However, the distinctiveness of micro-Doppler signatureโ€ฆ

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Engineering Preprint PDF DOI

When Environments Shift: Safe Planning with Generative Priors and Robust Conformal Prediction

Kaizer Rahaman, Jyotirmoy V. Deshmukh, Ashish R. Hota, Lars Lindemann ยท 2026

Autonomous systems operate in environments that may change over time. An example is the control of a self-driving vehicle among pedestrians and human-controlled vehicles whose behavior may change baseโ€ฆ

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Engineering Preprint PDF DOI

When would Vision-Proprioception Policies Fail in Robotic Manipulation?

Jingxian Lu, Wenke Xia, Yuxuan Wu, Zhiwu Lu, Di Hu ยท 2026

Proprioceptive information is critical for precise servo control by providing real-time robotic states. Its collaboration with vision is highly expected to enhance performances of the manipulation polโ€ฆ

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Engineering Preprint PDF DOI

When Movable Antennas Meet RSMA and RIS: Robust Beamforming Design With Channel Uncertainty

Muhammad Asif, Asim Ihsan, Zhongliang Wang, Manzoor Ahmed, Xingwang Li, Arumugam Nallanathan, Symeon Chatzinotas ยท 2026

In this work, we propose an intelligent optimization framework for a multi-user communication system integrating movable antennas (MAs) and a reconfigurable intelligent surface (RIS) under the rate-spโ€ฆ

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Engineering Preprint PDF DOI

Adjustment of Cluster-Then-Predict Framework for Multiport Scatterer Load Prediction

Hanjun Park, Aleksandr D. Kuznetsov, Ville Viikari ยท 2026

Predicting interdependent load values in multiport scatterers is challenging due to high dimensionality and complex dependence between impedance and scattering ability, yet this prediction remains cruโ€ฆ

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Engineering Preprint PDF DOI

Analyzing the Impact of Simulation Fidelity on the Evaluation of Autonomous Driving Motion Control

Simon Sagmeister, Panagiotis Kounatidis, Sven Goblirsch, Markus Lienkamp ยท 2026

Simulation is crucial in the development of autonomous driving software. In particular, assessing control algorithms requires an accurate vehicle dynamics simulation. However, recent publications use โ€ฆ

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Engineering Preprint PDF DOI

Learning to Separate RF Signals Under Uncertainty: Detect-Then-Separate vs. Unified Joint Models

Ariel Rodrigez, Alejandro Lancho, Amir Weiss ยท 2026

The increasingly crowded radio frequency (RF) spectrum forces communication signals to coexist, creating heterogeneous interferers whose structure often departs from Gaussian models. Recovering the inโ€ฆ

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Engineering Preprint PDF DOI

When control meets large language models: From words to dynamics

Komeil Nosrati, Aleksei Tepljakov, Juri Belikov, Eduard Petlenkov ยท 2026

While large language models (LLMs) are transforming engineering and technology through enhanced control capabilities and decision support, they are simultaneously evolving into complex dynamical systeโ€ฆ

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Engineering Preprint PDF DOI

When Attention Betrays: Erasing Backdoor Attacks in Robotic Policies by Reconstructing Visual Tokens

Xuetao Li, Pinhan Fu, Wenke Huang, Nengyuan Pan, Songhua Yang, Kaiyan Zhao, Guancheng Wan, Mengde Li, Jifeng Xuan, Miao Li ยท 2026

Downstream fine-tuning of vision-language-action (VLA) models enhances robotics, yet exposes the pipeline to backdoor risks. Attackers can pretrain VLAs on poisoned data to implant backdoors that remaโ€ฆ

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Engineering Preprint PDF DOI

Moving On, Even When You're Broken: Fail-Active Trajectory Generation via Diffusion Policies Conditioned on Embodiment and Task

Gilberto G. Briscoe-Martinez, Yaashia Gautam, Rahul Shetty, Anuj Pasricha, Marco M. Nicotra, Alessandro Roncone ยท 2026

Robot failure is detrimental and disruptive, often requiring human intervention to recover. Our vision is 'fail-active' operation, allowing robots to safely complete their tasks even when damaged. Focโ€ฆ

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Engineering Preprint PDF DOI

Learning When to Jump for Off-road Navigation

Zhipeng Zhao, Taimeng Fu, Shaoshu Su, Qiwei Du, Ehsan Tarkesh Esfahani, Karthik Dantu, Souma Chowdhury, Chen Wang ยท 2026

Low speed does not always guarantee safety in off-road driving. For instance, crossing a ditch may be risky at a low speed due to the risk of getting stuck, yet safe at a higher speed with a controlleโ€ฆ

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Vision-Language Controlled Deep Unfolding for Joint Medical Image Restoration and Segmentation

Ping Chen, Zicheng Huang, Xiangming Wang, Yungeng Liu, Bingyu Liang, Haijin Zeng, Yongyong Chen ยท 2026

We propose VL-DUN, a principled framework for joint All-in-One Medical Image Restoration and Segmentation (AiOMIRS) that bridges the gap between low-level signal recovery and high-level semantic underโ€ฆ

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Engineering Preprint PDF DOI

Super-r\'esolution non supervis\'ee d'images hyperspectrales de t\'el\'ed\'etection utilisant un entra\^inement enti\`erement synth\'etique

Xinxin Xu, Yann Gousseau, Christophe Kervazo, Said Ladjal ยท 2026

Hyperspectral single image super-resolution (SISR) aims to enhance spatial resolution while preserving the rich spectral information of hyperspectral images. Most existing methods rely on supervised lโ€ฆ

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Engineering Preprint PDF DOI

Blind Ultrasound Image Enhancement via Self-Supervised Physics-Guided Degradation Modeling

Shujaat Khan, Syed Muhammad Atif, Jaeyoung Huh, Syed Saad Azhar ยท 2026

Ultrasound (US) interpretation is hampered by multiplicative speckle, acquisition blur from the point-spread function (PSF), and scanner- and operator-dependent artifacts. Supervised enhancement methoโ€ฆ

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Engineering Preprint PDF DOI

When Simultaneous Localization and Mapping Meets Wireless Communications: A Survey

Konstantinos Gounis, Sotiris A. Tegos, Dimitrios Tyrovolas, Panagiotis D. Diamantoulakis, George K. Karagiannidis ยท 2026

The availability of commercial wireless communication and sensing equipment combined with the advancements in intelligent autonomous systems paves the way towards robust joint communications and simulโ€ฆ

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Engineering Preprint PDF DOI

Cell-Free MIMO with Rotatable Antennas: When Macro-Diversity Meets Antenna Directivity

Xingxiang Peng, Qingqing Wu, Ziyuan Zheng, Yanze Zhu, Wen Chen, Penghui Huang, Ying Gao, Honghao Wang ยท 2026

Cell-free networks leverage distributed access points (APs) to achieve macro-diversity, yet their performance is often constrained by large disparities in channel quality arising from user geometry anโ€ฆ

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Engineering Preprint PDF DOI

When Is Distributed Nonlinear Aggregation Private? Optimality and Information-Theoretical Bounds

Wenrui Yu, Jaron Skovsted Gundersen, Richard Heusdens, Qiongxiu Li ยท 2026

Nonlinear aggregation is central to modern distributed systems, yet its privacy behavior is far less understood than that of linear aggregation. Unlike linear aggregation where mature mechanisms can oโ€ฆ

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Engineering Preprint PDF DOI

Traffic Collisions: Temporal Patterns and Severity-Weighted Hotspot Analysis

Nael Alsaleh, Noura Falis, Tareq Alsaleh, Farah Ba Fakih ยท 2026

Understanding traffic collision patterns is of high importance for effective road safety planning in fast-growing urban environments. This study examines the temporal and spatial patterns of traffic cโ€ฆ

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AQUA-Bench: Beyond Finding Answers to Knowing When There Are None in Audio Question Answering

Chun-Yi Kuan, Hung-yi Lee ยท 2026

Recent advances in audio-aware large language models have shown strong performance on audio question answering. However, existing benchmarks mainly cover answerable questions and overlook the challengโ€ฆ

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FastStair: Learning to Run Up Stairs with Humanoid Robots

Yan Liu, Tao Yu, Haolin Song, Hongbo Zhu, Nianzong Hu, Yuzhi Hao, Xiuyong Yao, Xizhe Zang, Hua Chen, Jie Zhao ยท 2026

Running up stairs is effortless for humans but remains extremely challenging for humanoid robots due to the simultaneous requirements of high agility and strict stability. Model-free reinforcement leaโ€ฆ

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