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🔍 ramesh raskar 📂 Engineering
Showing 3487 results for "ramesh raskar" in Engineering
Engineering Preprint PDF DOI

On the Fractional Fourier Transform for FMCW Radar Interference Mitigation

Christian Oswald, Josef Kulmer, Franz Pernkopf · 2026

In this paper, we extend our method [1] for FMCW radar mutual interference mitigation (IM) based on the discrete fractional Fourier transform (DFrFT). Firstly, we propose a radar signal processing cha…

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Engineering Preprint PDF DOI

A Knowledge-Driven Approach to Target Speech Extraction in the Presence of Background Sound Effects for Cinematic Audio Source Separation (CASS)

Chun-wei Ho, Sabato Marco Siniscalchi, Kai Li, Chin-Hui Lee · 2026

We propose a knowledge-driven approach to speech target extraction in the presence of background sound effects already recorded in cinematic audio. The specific knowledge sources studied are manners o…

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Engineering Preprint PDF DOI

A Real-time Scale-robust Network for Glottis Segmentation in Nasal Transnasal Intubation

Yang Zhou, Chaoyong Zhang, Ruoyi Hao, Huilin Pan, Yang Zhang, Hongliang Ren · 2026

Nasotracheal intubation (NTI) is a critical clinical procedure for establishing and maintaining patient airway patency. Machine-assisted NTI has emerged as a pivotal approach for optimizing procedural…

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Engineering Preprint PDF DOI

Cross-Linguistic Rhythmic and Spectral Feature-Based Analysis of Nyishi and Adi: Two Under-Resourced Languages of Arunachal Pradesh

Deepshikha Gogoi, Parismita Gogoi, Yang Saring · 2026

Under-resourced languages remain underrepresented in quantitative rhythm research,particularly in systematic intra-branch analysis of acoustic differentiation within closely related linguistic groups.…

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Engineering Preprint PDF DOI

Pushing Radar Odometry Beyond the Pavement: Current Capabilities and Challenges

Shaunak Kolhe, Peng Jiang, Maggie Wigness, Philip Osteen, Timothy Overbye, Chrisitan Ellis, Srikanth Saripalli · 2026

Radar offers unique advantages for localization in unstructured environments, including robustness to weather, lighting, and airborne particulates. While most prior work has studied radar odometry in …

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Engineering Preprint PDF DOI

AsyncShield: A Plug-and-Play Edge Adapter for Asynchronous Cloud-based VLA Navigation

Kai Yang, Zedong Chu, Yingnan Guo, Zhengbo Wang, Shichao Xie, Yanfen Shen, Xiaolong Wu, Xing Li, Mu Xu · 2026

While Vision-Language-Action (VLA) models have been demonstrated possessing strong zero-shot generalization for robot control, their massive parameter sizes typically necessitate cloud-based deploymen…

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Engineering Preprint PDF DOI

Equivariant Filter for Radar-Inertial Odometry

Giulio Delama, Jan Michalczyk, Morten Nissov, Martin Scheiber, Alessandro Fornasier, Kostas Alexis, Stephan Weiss · 2026

Radar-Inertial Odometry (RIO) based on the Extended Kalman Filter (EKF) relies on accurate extrinsic calibration between the radar and the Inertial Measurement Unit (IMU) and is sensitive to disturban…

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Engineering Preprint PDF DOI

Using Assembly Language for Creating Games

Haris Turkmanovic, David Vukoje, Aleksandra Lekic, Milan Prokin · 2026

The aim of this paper is to demonstrate some interesting and useful approaches for writing a program in the assembly language. In order to demonstrate the possibilities of the assembly language, a pro…

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Engineering Preprint PDF DOI

Bimanual Robot Manipulation via Multi-Agent In-Context Learning

Alessio Palma, Indro Spinelli, Vignesh Prasad, Luca Scofano, Yufeng Jin, Georgia Chalvatzaki, Fabio Galasso · 2026

Language Models (LLMs) have emerged as powerful reasoning engines for embodied control. In particular, In-Context Learning (ICL) enables off-the-shelf, text-only LLMs to predict robot actions without …

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Engineering Preprint PDF DOI

Radar Odometry Subject to High Tilt Dynamics of Subarctic Environments

Matej Boxan, William Larrivee-Hardy, Francois Pomerleau · 2026

Rotating FMCW radar odometry methods often assume flat ground conditions. While this assumption is sufficient in many scenarios, including urban environments or flat mining setups, the highly dynamic …

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Engineering Preprint PDF DOI

Joint Scheduling of Multi-Band Radar Sensing and DNN Inference for Cross-Stage Parallelism

Yanan Du, Sai Xu, Kezhi Wang, Yansha Deng · 2026

This paper studies end-to-end latency minimization for a multi-band radar sensing and deep neural network (DNN) inference pipeline. Unlike conventional stage-wise designs that treat radar sensing and …

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Engineering Preprint PDF DOI

Scalable DDPM-Polycube: An Extended Diffusion-Based Method for Hexahedral Mesh and Volumetric Spline Construction

Yuxuan Yu, Jiashuo Liu, Hua Tong, Honghua Lou, Yongjie Jessica Zhang · 2026

Polycube structures provide parametric domains for all-hexahedral (all-hex) mesh generation and analysis-suitable volumetric spline construction in isogeometric analysis (IGA). Recent learning-based p…

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Engineering Preprint PDF DOI

Leveraging VR Robot Games to Facilitate Data Collection for Embodied Intelligence Tasks

Yihan Zhang, Ziyun Huang, Linqi Ye · 2026

Collecting embodied interaction data at scale remains costly and difficult due to the limited accessibility of conventional interfaces. We present a gamified data collection framework based on Unity t…

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Engineering Preprint PDF DOI

Unified Error Analysis of Multi-site Radar via Equivalent Angular Resolution

Lang Qin, Zelin Liu, Rongjie Li, Zhiqiang Huang, Xiaoguang Liu · 2026

High-precision indoor sensing using monostatic multiple-input multiple-output (MIMO) radar typically relies on increasing the physical aperture size of antennas, leading to high hardware complexity an…

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Engineering Preprint PDF DOI

Multi-site Radar Systems for High-Precision Indoor Positioning and Tracking

Lang Qin, Mandong Zhang, Wenting Song, Xiaohu Wu, Zhiqiang Huang, Xiaoguang Liu · 2026

This paper introduces a high-precision indoor positioning and tracking method that utilizes multi-site single-input single-output (SISO) radar systems. We propose a novel velocity synthesis-assisted (…

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Engineering Preprint PDF DOI

Dual-Radio BLE-LoRa Hierarchical Mesh for Infrastructure-Free Emergency Communication

Andrii Vakhnovskyi · 2026

We present a dual-radio hierarchical mesh architecture for infrastructure-free emergency communication that exploits the complementary strengths of Bluetooth Low Energy (BLE) and LoRa. Nodes equipped …

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Engineering Preprint PDF DOI

Direct and Ambient Backscatter Communications with a Dual-Function Radar Transmitter

Yubo Zhang, Luca Venturino, Xiaodong Wang · 2026

This work considers a system where a dual-function radar transmitter (source) performs direct communication with a reader while simultaneously enabling ambient backscatter communication from a tag. Th…

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Engineering Preprint PDF DOI

4D Radar Gaussian Modeling and Scan Matching with RCS

Fernando Amodeo, Luis Merino, Fernando Caballero · 2026

4D millimeter-wave (mmWave) radars are increasingly used in robotics, as they offer robustness against adverse environmental conditions. Besides the usual XYZ position, they provide Doppler velocity m…

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Engineering Preprint PDF DOI

Graph Theoretical Outlier Rejection for 4D Radar Registration in Feature-Poor Environments

Georg Dorndorf, Daniel Adolfsson, Masrur Doostdar · 2026

Automotive 4D imaging radar is well suited for operation in dusty and low-visibility environments, but scan registration remains challenging due to scan sparsity and spurious detections caused by nois…

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Engineering Preprint PDF DOI

Towards Multi-Object-Tracking with Radar on a Fast Moving Vehicle: On the Potential of Processing Radar in the Frequency Domain

Tim Hansen, Arturo Gomez-Chavez, Ilya Shimchik, Andreas Birk · 2026

We promote in this paper the processing of radar data in the frequency domain to achieve higher robustness against noise and structural errors, especially in comparison to feature-based methods. This …

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