Expertini Research Research

Browse Research Papers

164+ open-access research outputs.

✕ Clear
🔍 leif andersen 📂 Engineering 📄 Preprint
Showing 164 results for "leif andersen" in Engineering · Preprint
Engineering Preprint PDF DOI

Simulation of Adaptive Running with Flexible Sports Prosthesis using Reinforcement Learning of Hybrid-link System

Yuta Shimane, Ko Yamamoto · 2026

This study proposes a reinforcement learning-based adaptive running motion simulation for a unilateral transtibial amputee with the flexibility of a leaf-spring-type sports prosthesis using hybrid-lin…

Read Paper →
Engineering Preprint PDF DOI

Sentinel-2 for Crop Yield Estimation: A Systematic Review

Mohammadreza Narimani, Alireza Pourreza, Ali Moghimi, Parastoo Farajpoor · 2026

Accurate and timely crop yield estimation is critical for global food security, agricultural policy, and farm management. The Copernicus Sentinel-2 satellite constellation, with high spatial, temporal…

Read Paper →
Engineering Preprint PDF DOI

Angularly-Resolved 3D Foliage Modeling and Measurements at 60 and 80 GHz: From Stochastic Geometry to Deterministic Channel Characterization

Jiri Blumenstein, Radek Zavorka, Josef Vychodil, Tomas Mikulasek, Jaroslaw Wojtun, Jan M. Kelner, Cezary Ziolkowski, Rajeev Shukla, Markus Hofer, Thomas Zemen, Christoph F Mecklenbrauker, Aniruddha Chandra, Ales Prokes · 2026

In this paper, we show a stochastic approach to generate a 3D model of a foliage, which is then used for deterministic ray-tracing channel modeling. This approach is verified by a measurement campaign…

Read Paper →
Engineering Preprint PDF DOI

SG-DOR: Learning Scene Graphs with Direction-Conditioned Occlusion Reasoning for Pepper Plants

Rohit Menon, Niklas Mueller-Goldingen, Sicong Pan, Gokul Krishna Chenchani, Maren Bennewitz · 2026

Robotic harvesting in dense crop canopies requires effective interventions that depend not only on geometry, but also on explicit, direction-conditioned relations identifying which organs obstruct a t…

Read Paper →
Engineering Preprint PDF DOI

AI End-to-End Radiation Treatment Planning Under One Second

Simon Arberet, Riqiang Gao, Martin Kraus, Florin C. Ghesu, Wilko Verbakel, Mamadou Diallo, Anthony Magliari, Venkatesan Karuppusamy, Sushil Beriwal, REQUITE Consortium, Ali Kamen, Dorin Comaniciu · 2026

Artificial intelligence-based radiation therapy (RT) planning has the potential to reduce planning time and inter-planner variability, improving efficiency and consistency in clinical workflows. Most …

Read Paper →
Engineering Preprint PDF DOI

Task-Relevant and Irrelevant Region-Aware Augmentation for Generalizable Vision-Based Imitation Learning in Agricultural Manipulation

Shun Hattori, Hikaru Sasaki, Takumi Hachimine, Yusuke Mizutani, Takamitsu Matsubara · 2026

Vision-based imitation learning has shown promise for robotic manipulation; however, its generalization remains limited in practical agricultural tasks. This limitation stems from scarce demonstration…

Read Paper →
Engineering Preprint PDF DOI

HBRB-BoW: A Retrained Bag-of-Words Vocabulary for ORB-SLAM via Hierarchical BRB-KMeans

Minjae Lee, Sang-Min Choi, Gun-Woo Kim, Suwon Lee · 2026

In visual simultaneous localization and mapping (SLAM), the quality of the visual vocabulary is fundamental to the system's ability to represent environments and recognize locations. While ORB-SLAM is…

Read Paper →
Engineering Preprint PDF DOI

Sapling-NeRF: Geo-Localised Sapling Reconstruction in Forests for Ecological Monitoring

Miguel Angel Munoz-Banon, Nived Chebrolu, Sruthi M. Krishna Moorthy, Yifu Tao, Fernando Torres, Roberto Salguero-Gomez, Maurice Fallon · 2026

Saplings are key indicators of forest regeneration and overall forest health. However, their fine-scale architectural traits are difficult to capture with existing 3D sensing methods, which make quant…

Read Paper →
Engineering Preprint PDF DOI

Odor Communication with Green Leaf Volatiles for Stress Signalling in the Internet of Plants

Fatih Merdan, Ozgur B. Akan · 2026

This paper develops an end-to-end odor communication model for stress signaling between plants using Green Leaf Volatiles (GLV). A damaged transmitter plant emits (Z)-3-hexenal, (Z)-3-hexenol, and (Z)…

Read Paper →
Engineering Preprint PDF DOI

A Soft Wrist with Anisotropic and Selectable Stiffness for Robust Robot Learning in Contact-rich Manipulation

Steven Oh, Tomoya Takahashi, Cristian C. Beltran-Hernandez, Yuki Kuroda, Masashi Hamaya · 2026

Contact-rich manipulation tasks in unstructured environments pose significant robustness challenges for robot learning, where unexpected collisions can cause damage and hinder policy acquisition. Exis…

Read Paper →
Engineering Preprint PDF DOI

NeuroSleep: Neuromorphic Event-Driven Single-Channel EEG Sleep Staging for Edge-Efficient Sensing

Boyu Li, Xingchun Zhu, Yonghui Wu · 2026

Objective. Reliable, continuous neural sensing on wearable edge platforms is fundamental to long-term health monitoring; however, for electroencephalography (EEG)-based sleep monitoring, dense high-fr…

Read Paper →
Engineering Preprint PDF DOI

UNCLE-Grasp: Uncertainty-Aware Grasping of Leaf-Occluded Strawberries

Malak Mansour, Ali Abouzeid, Zezhou Sun, Qinbo Sun, Dezhen Song, Abdalla Swikir · 2026

Robotic strawberry harvesting remains challenging under partial occlusion, where leaf interference introduces significant geometric uncertainty and renders grasp decisions based on a single determinis…

Read Paper →
Engineering Preprint PDF DOI

Quantifying the advantage of vector over scalar magnetic sensor networks for undersea surveillance

Wenchao Li, Xuezhi Wang, Qiang Sun, Allison N. Kealy, Andrew D. Greentree · 2025

Magnetic monitoring of maritime environments is an important problem for monitoring and optimising shipping, as well as national security. New developments in compact, fibre-coupled quantum magnetomet…

Read Paper →
Engineering Preprint PDF DOI

Pressure-robust enriched Galerkin finite element methods for coupled Navier-Stokes and heat equations

Sanjeeb Poudel, Sanghyun Lee, Lin Mu · 2025

We propose a pressure-robust enriched Galerkin (EG) finite element method for the incompressible Navier-Stokes and heat equations in the Boussinesq regime. For the Navier-Stokes equations, the EG form…

Read Paper →
Engineering Preprint PDF DOI

Active Optics for Hyperspectral Imaging of Reflective Agricultural Leaf Sensors

Dexter Burns, Sanjeev Koppal · 2025

Monitoring plant health increasingly relies on leaf-mounted sensors that provide real-time physiological data, yet efficiently locating and sampling these sensors in complex agricultural environments …

Read Paper →
Engineering Preprint PDF DOI

Model to Model: Understanding the Venus Flytrap Snapping Mechanism and Transferring it to a 3D-printed Bistable Soft Robotic Demonstrator

Maartje H. M. Wermelink, Renate Sachse, Sebastian Kruppert, Thomas Speck, Falk J. Tauber · 2025

The Venus flytrap (Dionaea muscipula) does not only serve as the textbook model for a carnivorous plant, but also has long intrigued both botanists and engineers with its rapidly closing leaf trap. Th…

Read Paper →
Engineering Preprint PDF DOI

Estimation of aboveground biomass in a tropical dry forest: An intercomparison of airborne, unmanned, and space laser scanning

Nelson Mattie, Arturo Sanchez-Azofeifa, Pablo Crespo-Peremarch, Juan-Ygnacio Lopez-Hernandez · 2025

According to the Paris Climate Change Agreement, all nations are required to submit reports on their greenhouse gas emissions and absorption every two years by 2024. Consequently, forests play a cruci…

Read Paper →
Engineering Preprint PDF DOI

Adaptive Per-Channel Energy Normalization Front-end for Robust Audio Signal Processing

Hanyu Meng, Vidhyasaharan Sethu, Eliathamby Ambikairajah, Qiquan Zhang, Haizhou Li · 2025

In audio signal processing, learnable front-ends have shown strong performance across diverse tasks by optimizing task-specific representation. However, their parameters remain fixed once trained, lac…

Read Paper →
Engineering Preprint PDF DOI

Botany-Bot: Digital Twin Monitoring of Occluded and Underleaf Plant Structures with Gaussian Splats

Simeon Adebola, Chung Min Kim, Justin Kerr, Shuangyu Xie, Prithvi Akella, Jose Luis Susa Rincon, Eugen Solowjow, Ken Goldberg · 2025

Commercial plant phenotyping systems using fixed cameras cannot perceive many plant details due to leaf occlusion. In this paper, we present Botany-Bot, a system for building detailed "annotated digit…

Read Paper →
Engineering Preprint PDF DOI

Establishing assembly-oriented modular product architectures through Design for Assembly enhanced Modular Function Deployment

Fabio Marco Monetti, Adam Lundstrom, Colin de Kwant, Magnus Gyllenskepp, Antonio Maffei · 2025

Modular product design has become a strategic enabler for companies seeking to balance product variety, operational efficiency, and market responsiveness, making the alignment between modular architec…

Read Paper →
Page 1 of 9 Next →