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🔍 andrei nicolae 📂 Engineering
Showing 104 results for "andrei nicolae" in Engineering
Engineering Preprint PDF DOI

Modeling and Analysis of Air-to-Ground Cellular KPIs in a 5G Testbed using Android Smartphones

Simran Singh, An{i}l Gurses, Ozgur Ozdemir, Ram Asokan, Mihail L. Sichitiu, Ismail Guvenc, Rudra Dutta, Magreth Mushi · 2026

The integration of cellular communication with Unmanned Aerial Vehicles (UAVs) extends the range of command and control and payload communications of autonomous UAV applications. Accurate modeling of …

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Engineering Preprint PDF DOI

ANVIL: Accelerator-Native Video Interpolation via Codec Motion Vector Priors

Shibo Liu · 2026

Real-time 30-to-60 fps video frame interpolation on mobile neural processing units (NPUs) requires each synthesized frame within 33.3 ms. We show that mainstream flow-based video frame interpolation f…

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Engineering Preprint PDF DOI

Evaluating Smartphone GNSS Accuracy for Geofenced 6 GHz Operations

Joshua Roy Palathinkal, Hardani Ismu Nabil, Muhammad Iqbal Rochman, Hossein Nasiri, Francis A. Gatsi, Monisha Ghosh · 2026

The recently deployed 6 GHz spectrum in the U.S. utilizes distinct power categories, with the latest proposed "Geofenced Variable Power" (GVP) category permitting indoor and outdoor operations without…

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Engineering Preprint PDF DOI

Twenty-five years of J-DSP Online Labs for Signal Processing Classes and Workforce Development Programs

Andreas Spanias · 2026

This paper presents the history of the online simulation program Java-DSP (J-DSP) and the most recent function development and deployment. J-DSP was created to support online laboratories in DSP class…

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Engineering Preprint PDF DOI

Advancing Assistive Robotics: Multi-Modal Navigation and Biophysical Monitoring for Next-Generation Wheelchairs

Md. Anowar Hossain, Mohd. Ehsanul Hoque · 2026

Assistive electric-powered wheelchairs (EPWs) have become essential mobility aids for people with disabilities such as amyotrophic lateral sclerosis (ALS), post-stroke hemiplegia, and dementia-related…

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Engineering Preprint PDF DOI

An Open-Source Framework for Quality-Assured Smartphone-Based Visible Light Iris Recognition

Naveenkumar G. Venkataswamy, Yu Liu, Soumyabrata Dey, Stephanie Schuckers, Masudul H. Imtiaz · 2025

Smartphone-based iris recognition in the visible spectrum (VIS) offers a low-cost and accessible biometric alternative but remains a challenge due to lighting variability, pigmentation effects, and th…

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Engineering Preprint PDF DOI

Evaluating the Deformation Measurement Accuracy Using Low-SNR Radars for Future InSAR Missions

Emre Havazli, Shadi Oveisgharan, Michael Denbina, Brian Hawkins · 2025

Interferometric Synthetic Aperture Radar (InSAR) is a powerful tool for monitoring surface deformation with high precision. However, low Signal-to-Noise Ratio (SNR) conditions, common in regions with …

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Engineering Preprint PDF DOI

Remote Autonomy for Multiple Small Lowcost UAVs in GNSS-denied Search and Rescue Operations

Daniel Schleich, Jan Quenzel, Sven Behnke · 2025

In recent years, consumer-grade UAVs have been widely adopted by first responders. In general, they are operated manually, which requires trained pilots, especially in unknown GNSS-denied environments…

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Engineering Preprint PDF DOI

Smartphone-based iris recognition through high-quality visible-spectrum iris image capture.V2

Naveenkumar G Venkataswamy, Yu Liu, Soumyabrata Dey, Stephanie Schuckers, Masudul H Imtiaz · 2025

Smartphone-based iris recognition in the visible spectrum (VIS) remains difficult due to illumination variability, pigmentation differences, and the absence of standardized capture controls. This work…

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Engineering Preprint PDF DOI

Uncertainty-Driven Hierarchical Sampling for Unbalanced Continual Malware Detection with Time-Series Update-Based Retrieval

Yi Xie, Ziyuan Yang, Yongqiang Huang, Yinyu Chen, Lei Zhang, Liang Liu, Yi Zhang · 2025

Android malware detection continues to face persistent challenges stemming from long-term concept drift and class imbalance, as evolving malicious behaviors and shifting usage patterns dynamically res…

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Engineering Preprint PDF DOI

Pointing-Guided Target Estimation via Transformer-Based Attention

Luca Muller, Hassan Ali, Philipp Allgeuer, Lukas Gajdosech, Stefan Wermter · 2025

Deictic gestures, like pointing, are a fundamental form of non-verbal communication, enabling humans to direct attention to specific objects or locations. This capability is essential in Human-Robot I…

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Engineering Preprint PDF DOI

Keypoint-based Diffusion for Robotic Motion Planning on the NICOL Robot

Lennart Clasmeier, Jan-Gerrit Habekost, Connor Gade, Philipp Allgeuer, Stefan Wermter · 2025

We propose a novel diffusion-based action model for robotic motion planning. Commonly, established numerical planning approaches are used to solve general motion planning problems, but have significan…

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Engineering Preprint PDF DOI

Automated Cervical Cancer Detection through Visual Inspection with Acetic Acid in Resource-Poor Settings with Lightweight Deep Learning Models Deployed on an Android Device

Leander Melroy Maben, Keerthana Prasad, Shyamala Guruvare, Vidya Kudva, P C Siddalingaswamy · 2025

Cervical cancer is among the most commonly occurring cancer among women and claims a huge number of lives in low and middle-income countries despite being relatively easy to treat. Several studies hav…

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Engineering Preprint PDF DOI

{\tau}-Ring: A Smart Ring Platform for Multimodal Physiological and Behavioral Sensing

Jiankai Tang, Zhe He, Mingyu Zhang, Wei Geng, Chengchi Zhou, Weinan Shi, Yuanchun Shi, Yuntao Wang · 2025

Smart rings have emerged as uniquely convenient devices for continuous physiological and behavioral sensing, offering unobtrusive, constant access to metrics such as heart rate, motion, and skin tempe…

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Engineering Preprint PDF DOI

Constructed Realities? Technical and Contextual Anomalies in a High-Profile Image

Matthias Wjst · 2025

This study offers a forensic assessment of a widely circulated photograph featuring Andrew Mountbatten-Windsor, Virginia Giuffre, and Ghislaine Maxwell, an image that has played a pivotal role in publ…

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Engineering Preprint PDF DOI

A Low-Cost Portable Lidar-based Mobile Mapping System on an Android Smartphone

Jianzhu Huai, Yuxin Shao, Yujia Zhang, Alper Yilmaz · 2025

The rapid advancement of the metaverse, digital twins, and robotics underscores the demand for low-cost, portable mapping systems for reality capture. Current mobile solutions, such as the Leica BLK2G…

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Engineering Preprint PDF DOI

Conversations with Andrea: Visitors' Opinions on Android Robots in a Museum

Marcel Heisler, Christian Becker-Asano · 2025

The android robot Andrea was set up at a public museum in Germany for six consecutive days to have conversations with visitors, fully autonomously. No specific context was given, so visitors could sta…

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Engineering Preprint PDF DOI

Public Acceptance of Cybernetic Avatars in the service sector: Evidence from a Large-Scale Survey in Dubai

Laura Aymerich-Franch, Tarek Taha, Takahiro Miyashita, Hiroko Kamide, Hiroshi Ishiguro, Paolo Dario · 2025

Cybernetic avatars are hybrid interaction robots or digital representations that combine autonomous capabilities with teleoperated control. This study investigates the acceptance of cybernetic avatars…

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Engineering Preprint PDF DOI

HAPI: A Model for Learning Robot Facial Expressions from Human Preferences

Dongsheng Yang, Qianying Liu, Wataru Sato, Takashi Minato, Chaoran Liu, Shin'ya Nishida · 2025

Automatic robotic facial expression generation is crucial for human-robot interaction, as handcrafted methods based on fixed joint configurations often yield rigid and unnatural behaviors. Although re…

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Engineering Preprint PDF DOI

Does the Appearance of Autonomous Conversational Robots Affect User Spoken Behaviors in Real-World Conference Interactions?

Zi Haur Pang, Yahui Fu, Divesh Lala, Mikey Elmers, Koji Inoue, Tatsuya Kawahara · 2025

We investigate the impact of robot appearance on users' spoken behavior during real-world interactions by comparing a human-like android, ERICA, with a less anthropomorphic humanoid, TELECO. Analyzing…

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