Expertini Research Research

Browse Research Papers

141+ open-access research outputs.

โœ• Clear
๐Ÿ” pascal ochem ๐Ÿ“‚ Engineering
Showing 141 results for "pascal ochem" in Engineering
Engineering Preprint PDF DOI

PALCAS: A Priority-Aware Intelligent Lane Change Advisory System for Autonomous Vehicles using Federated Reinforcement Learning

Yassine Ibork, Nhat Ha Nguyen, Myounggyu Won, Lokesh Das ยท 2026

We present a priority-aware intelligent lane change advisory system based on multi-agent federated reinforcement learning, namely PALCAS, for autonomous vehicles (AVs). While existing lane-change apprโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Spectral Kernel Dynamics via Maximum Caliber: Fixed Points, Geodesics, and Phase Transitions

Jnaneshwar Das ยท 2026

We derive a closed-form geometric functional for kernel dynamics on finite graphs by applying the Maximum Caliber (MaxCal) variational principle to the spectral transfer function h(lambda) of the grapโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

ACHEM: A Real-Time Digital Twin Framework with Channel and Radio Emulation

Anil Gurses, Mihail L. Sichitiu ยท 2026

Digital twins are becoming an important tool for designing, developing, testing, and optimizing next-generation wireless communication systems. Over the past decade, system softwarization has become aโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Physics-Enforced Neural Ordinary Differential Equation for Chemical Kinetics Optimization in Reaction-Diffusion Systems

Feixue Cai, Hua Zhou, Zhuyin Ren ยท 2026

Calibrating chemical kinetics in a reaction-diffusion system is challenging because of complex dynamics governed by tightly coupled chemistry and transport, while experimental observations are often sโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Realtime-VLA V2: Learning to Run VLAs Fast, Smooth, and Accurate

Chen Yang, Yucheng Hu, Yunchao Ma, Yunhuan Yang, Jing Tan, Haoqiang Fan ยท 2026

In deployment of the VLA models to real-world robotic tasks, execution speed matters. In previous work arXiv:2510.26742 we analyze how to make neural computation of VLAs on GPU fast. However, we leaveโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

3PoinTr: 3D Point Tracks for Robot Manipulation Pretraining from Casual Videos

Adam Hung, Bardienus Pieter Duisterhof, Jeffrey Ichnowski ยท 2026

Data-efficient training of robust robot policies is the key to unlocking automation in a wide array of novel tasks. Current systems require large volumes of demonstrations to achieve robustness, whichโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

LAYER: A Quantitative Explainable AI Framework for Decoding Tissue-Layer Drivers of Myofascial Low Back Pain

Zixue Zeng, Anthony M. Perti, Tong Yu, Grant Kokenberger, Hao-En Lu, Jing Wang, Xin Meng, Zhiyu Sheng, Maryam Satarpour, John M. Cormack, Allison C. Bean, Ryan P. Nussbaum, Emily Landis-Walkenhorst, Kang Kim, Ajay D. Wasan, Jiantao Pu ยท 2025

Myofascial pain (MP) is a leading cause of chronic low back pain, yet its tissue-level drivers remain poorly defined and lack reliable image biomarkers. Existing studies focus predominantly on muscle โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Cyber-Resilient Fault Diagnosis Methodology in Inverter-Based Resource-Dominated Microgrids with Single-Point Measurement

Yifan Wang, Yiyao Yu, Yang Xia, Yan Xu ยท 2025

Cyber-attacks jeopardize the safe operation of inverter-based resource-dominated microgrids (IBR-dominated microgrids). At the same time, existing diagnostic methods either depend on expensive multi-pโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Image-based Morphological Characterization of Filamentous Biological Structures with Non-constant Curvature Shape Feature

Jie Fan, Francesco Visentin, Barbara Mazzolai, Emanuela Del Dottore ยท 2025

Tendrils coil their shape to anchor the plant to supporting structures, allowing vertical growth toward light. Although climbing plants have been studied for a long time, extracting information regardโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Diffusion Models are Robust Pretrainers

Mika Yagoda, Shady Abu-Hussein, Raja Giryes ยท 2025

Diffusion models have gained significant attention for high-fidelity image generation. Our work investigates the potential of exploiting diffusion models for adversarial robustness in image classificaโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Chem-R: Learning to Reason as a Chemist

Weida Wang, Benteng Chen, Di Zhang, Wanhao Liu, Shuchen Pu, Ben Gao, Jin Zeng, Xiaoyong Wei, Tianshu Yu, Shuzhou Sun, Tianfan Fu, Wanli Ouyang, Lei Bai, Jiatong Li, Zifu Wang, Yuqiang Li, Shufei Zhang ยท 2025

Although large language models (LLMs) have significant potential to advance chemical discovery, current LLMs lack core chemical knowledge, produce unreliable reasoning trajectories, and exhibit suboptโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

AudioFuse: Unified Spectral-Temporal Learning via a Hybrid ViT-1D CNN Architecture for Robust Phonocardiogram Classification

Md. Saiful Bari Siddiqui, Utsab Saha ยท 2025

Biomedical audio signals, such as phonocardiograms (PCG), are inherently rhythmic and contain diagnostic information in both their spectral (tonal) and temporal domains. Standard 2D spectrograms proviโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A Single-Point Measurement Framework for Robust Cyber-Attack Diagnosis in Smart Microgrids Using Dual Fractional-Order Feature Analysis

Yifan Wang ยท 2025

Cyber-attacks jeopardize the safe operation of smart microgrids. At the same time, existing diagnostic methods either depend on expensive multi-point instrumentation or stringent modelling assumptionsโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

DRARL: Disengagement-Reason-Augmented Reinforcement Learning for Efficient Improvement of Autonomous Driving Policy

Weitao Zhou, Bo Zhang, Zhong Cao, Xiang Li, Qian Cheng, Chunyang Liu, Yaqin Zhang, Diange Yang ยท 2025

With the increasing presence of automated vehicles on open roads under driver supervision, disengagement cases are becoming more prevalent. While some data-driven planning systems attempt to directly โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

From Theory to Practice: Advancing Multi-Robot Path Planning Algorithms and Applications

Teng Guo ยท 2025

The labeled MRPP (Multi-Robot Path Planning) problem involves routing robots from start to goal configurations efficiently while avoiding collisions. Despite progress in solution quality and runtime, โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

DCD: A Semantic Segmentation Model for Fetal Ultrasound Four-Chamber View

Donglian Li, Hui Guo, Minglang Chen, Huizhen Chen, Jialing Chen, Bocheng Liang, Pengchen Liang, Ying Tan ยท 2025

Accurate segmentation of anatomical structures in the apical four-chamber (A4C) view of fetal echocardiography is essential for early diagnosis and prenatal evaluation of congenital heart disease (CHDโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

PixCell: A generative foundation model for digital histopathology images

Srikar Yellapragada, Alexandros Graikos, Zilinghan Li, Kostas Triaridis, Varun Belagali, Tarak Nath Nandi, Karen Bai, Beatrice S. Knudsen, Tahsin Kurc, Rajarsi R. Gupta, Prateek Prasanna, Ravi K Madduri, Joel Saltz, Dimitris Samaras ยท 2025

The digitization of histology slides has revolutionized pathology, providing massive datasets for cancer diagnosis and research. Self-supervised and vision-language models have been shown to effectiveโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

DemoSpeedup: Accelerating Visuomotor Policies via Entropy-Guided Demonstration Acceleration

Lingxiao Guo, Zhengrong Xue, Zijing Xu, Huazhe Xu ยท 2025

Imitation learning has shown great promise in robotic manipulation, but the policy's execution is often unsatisfactorily slow due to commonly tardy demonstrations collected by human operators. In thisโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

UNSURF: Uncertainty Quantification for Cortical Surface Reconstruction of Clinical Brain MRIs

Raghav Mehta, Karthik Gopinath, Ben Glocker, Juan Eugenio Iglesias ยท 2025

We propose UNSURF, a novel uncertainty measure for cortical surface reconstruction of clinical brain MRI scans of any orientation, resolution, and contrast. It relies on the discrepancy between predicโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Accelerated 3D-3D rigid registration of echocardiographic images obtained from apical window using particle filter

Thanuja Uruththirakodeeswaran, Harald Becher, Michelle Noga, Lawrence H. Le, Pierre Boulanger, Jonathan Windram, Kumaradevan Punithakumar ยท 2025

The perfect alignment of 3D echocardiographic images captured from various angles has improved image quality and broadened the field of view. This study proposes an accelerated sequential Monte Carlo โ€ฆ

Read Paper โ†’
Page 1 of 8 Next โ†’