Expertini Research Research

Browse Research Papers

2,031+ open-access research outputs.

โœ• Clear
๐Ÿ” kathryn gray ๐Ÿ“‚ Engineering
Showing 2031 results for "kathryn gray" in Engineering
Engineering Preprint PDF DOI

Bitwise Over-Parameterized Neural Polar Decoding: A Theoretical Performance Analysis

Hongzhi Zhu, Wei Xu, Xiaohu You ยท 2026

This paper proposes a bitwise over-parameterized neural network (ONN) decoder for polar-coded transmission and develops a tractable theoretical performance analysis framework. By modeling each synthesโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

RAY-TOLD: Ray-Based Latent Dynamics for Dense Dynamic Obstacle Avoidance with TDMPC

Seungho Han, Seokju Lee, Jeonguk Kang ยท 2026

Dense, dynamic crowds pose a persistent challenge for autonomous mobile robots. Purely reactive planning methods, such as Model Predictive Path Integral (MPPI) control, often fail to escape local miniโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

2D and 3D Grasp Planners for the GET Asymmetrical Gripper

Andrew Goldberg, Ethan Ransing, Anton Kourakin, Cael Magner, Edward H. Adelson, Ken Goldberg ยท 2026

In this paper, we introduce GET-2D-1.0, a fast grasp planner for the GET asymmetrical gripper that operates from a single-view RGB-D image, using the Ferrari-Canny metric and a novel sampling strategyโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

GS-DOT: Gaussian splatting-based image reconstruction for diffuse optical tomography

Jingjing Jiang ยท 2026

This work presents GS-DOT, a novel image reconstruction framework based on Gaussian Splatting (GS) for diffuse optical tomography (DOT). Inspired by GS for rendering applications, absorption coefficieโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Characterizing pitch and roll torque coupling in insect-sized flapping-wing robots using a microfabricated gimbal

Aaron Weber, Daksh Dhingra, Sawyer B. Fuller ยท 2026

Sub-gram flapping-wing flying insect robots (FIRs) are challenging to model because of mechanical complexity in their wings, unsteady aerodynamic flow, and the difficulty of making precise measurementโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Wildfires Quasi-Implicit Alternative-Direction Simulations using Isogeometric Finite Element Method

Juliusz Wasieleski, Tomasz S{l}uzalec, Maciej Wozniak, Marcin {L}os, Andres Medina, Paulina Sepulveda, Albert Oliver Serra, Eirik Valseth, Anna Paszynska, Maciej Paszynski ยท 2026

We develop a wildfire simulation model that evolves the temperature scalar field using an energy balance equation accounting for heat generation, transport, and loss. For these equations, we develop qโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Thrust Regulation Through Wing Linkage Modulation on the Aerobat Platform: Piezoelectric Slip-Stick Actuated Regulator Development

Luca Ciampaglia ยท 2026

Aerobat is a bat-inspired flapping-wing robot with a wing gait generate by the computational structure, a planar linkage of carbon fiber links driven by a single motor. This design minimizes weight buโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Warm-Start Quantum Approximate Optimization Algorithm for QAM MIMO Data Detection

Soumyadip Paul, Sourav Banerjee, Debanjan Bhowmik, Neel Kanth Kundu ยท 2026

Data detection in large-scale multiple-input multiple-output (MIMO) systems with higher-order quadrature amplitude modulation (QAM) remains a challenging problem due to the exponential complexity of tโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Ray Tracing-Enabled Digital Twin for RIS Phase Optimization: Implementation and Experimental Validation

Omer Lutfu Karakelle, Sefa Kayrakl{i}k, Ibrahim Hokelek, Ali Gorcin, Halim Yan{i}komeroglu ยท 2026

Determining the optimal phase configurations of reconfigurable intelligent surface (RIS) elements typically requires complex channel estimation procedures with high pilot overhead, creating a bottleneโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

DART: Learning-Enhanced Model Predictive Control for Dual-Arm Non-Prehensile Manipulation

Autrio Das, Shreya Bollimuntha, Madala Venkata Renu Jeevesh, Keshab Patra, Tashmoy Ghosh, Nagamanikandan Govindan, Arun Kumar Singh, K Madhava Krishna ยท 2026

What appears effortless to a human waiter remains a major challenge for robots. Manipulating objects nonprehensilely on a tray is inherently difficult, and the complexity is amplified in dual-arm settโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Movable Antenna Optimization for Multi-User MIMO Systems in Realistic Ray-Traced Propagation Environments

Xiaoyi Zhang, Amna Irshad, Emil Bjornson ยท 2026

To meet the growing data traffic demand in future wireless systems, novel transmission architectures capable of adapting to complex propagation environments are required. Movable antenna (MA) systems โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Dual-Modal Lung Cancer AI: Interpretable Radiology and Microscopy with Clinical Risk Integration

Baramee Sukumal, Aueaphum Aueawatthanaphisut ยท 2026

Lung cancer remains one of the leading causes of cancer-related mortality worldwide. Conventional computed tomography (CT) imaging, while essential for detection and staging, has limitations in distinโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Fully Differentiable Ultrasound Simulation Utilizing Ray-Tracing

L. River Spencer, Reagan A. Cardoza, Vijay K. Dubey, Collin E. Haese, Felix Kreidel, Issam Moussa, Manuel K. Rausch, Jan N. Fuhg ยท 2026

Ultrasound imaging tasks such as calibration, inverse parameter estimation, and acquisition design require models that are physically grounded, efficient, and differentiable with respect to meaningfulโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Context-Aware CSI Prediction for Access Point Selection Utilizing Conditional VAEs

Franz Wei{ss}er, Amar Kasibovic, Wolfgang Utschick ยท 2026

Indoor wireless communication environments are strongly influenced by dynamic conditions, which affect channel state information (CSI) and, consequently, the precoding strategy and the selection of thโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Probabilistic Feature Imputation and Uncertainty-Aware Multimodal Federated Aggregation

Nafis Fuad Shahid, Maroof Ahmed, Md Akib Haider, Saidur Rahman Sagor, Aashnan Rahman, Md Azam Hossain ยท 2026

Multimodal federated learning enables privacy-preserving collaborative model training across healthcare institutions. However, a fundamental challenge arises from modality heterogeneity: many clinicalโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

D-BDM: A Direct and Efficient Boundary-Based Occupancy Grid Mapping Framework for LiDARs

Benxu Tang, Yixi Cai, Fanze Kong, Longji Yin, Fu Zhang ยท 2026

Efficient and scalable 3D occupancy mapping is essential for autonomous robot applications in unknown environments. However, traditional occupancy grid representations suffer from two fundamental limiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

CBAM-Enhanced DenseNet121 for Multi-Class Chest X-Ray Classification with Grad-CAM Explainability

Utsho Kumar Dey ยท 2026

Pneumonia remains a leading cause of childhood mortality worldwide, with a heavy burden in low-resource settings such as Bangladesh where radiologist availability is limited. Most existing deep learniโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

An Argument-Principle Based Stability Assessment Method for Grey-Box DFIG Systems

Tao Zhang, Zhiguo Hao, Songhao Yang, Hongyue Ma, Baohui Zhang ยท 2026

Considerable efforts have been made to analyze the small-signal stability of doubly fed induction generator (DFIG) systems. However, commercial confidentiality and frequency coupling make the DFIG sysโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Neural-Network Inversion for the Temporal CT Multi-Source Bundle Problem: Per-Bundle Statistical Limits and Near-Optimal Performance

Guy M. Besson ยท 2026

We study the nonlinear inverse problem arising in Temporal CT, a multi-source computed-tomography architecture in which NS = 3 simultaneously active X-ray sources produce M = 5 mixed Poisson intensityโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A Ray Intersection Algorithm for Fast Growth Distance Computation Between Convex Sets

Akshay Thirugnanam, Koushil Sreenath ยท 2026

In this paper, we discuss an efficient algorithm for computing the growth distance between two compact convex sets with representable support functions. The growth distance between two sets is the minโ€ฆ

Read Paper โ†’
Page 1 of 102 Next โ†’