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🔍 rajath kumar 📂 Engineering 📄 Preprint
Showing 22 results for "rajath kumar" in Engineering · Preprint
Engineering Preprint PDF DOI

Characterizing Lidar Range-Measurement Ambiguity due to Multiple Returns

Jason H. Rife, Yifan Li · 2026

Reliable position and attitude sensing is critical for highly automated vehicles that operate on conventional roadways. Lidar sensors are increasingly incorporated into pose-estimation systems. Despit…

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Engineering Preprint PDF DOI

Photogrammetry-Reconstructed 3D Head Meshes for Accessible Individual Head-Related Transfer Functions

Ludovic Pirard, Lorenzo Picinali, Katarina C. Poole · 2026

Individual head-related transfer functions (HRTFs) are essential for accurate spatial audio binaural rendering but remain difficult to obtain due to measurement complexity. This study investigates whe…

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Engineering Preprint PDF DOI

Efficient Decoders for Sensing Subspace Code

Siva Aditya Gooty, Hessam Mahdavifar · 2025

Sparse antenna array sensing of source/target via direction of arrival (DoA) estimation motivates design of the sensing framework in joint communication and sensing (JCAS) systems for sixth generation…

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Engineering Preprint PDF DOI

Enhancing Photogrammetry Reconstruction For HRTF Synthesis Via A Graph Neural Network

Ludovic Pirard, Katarina C. Poole, Lorenzo Picinali · 2025

Traditional Head-Related Transfer Functions (HRTFs) acquisition methods rely on specialised equipment and acoustic expertise, posing accessibility challenges. Alternatively, high-resolution 3D modelli…

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Engineering Preprint PDF DOI

EEG-Based Decoding of Sound Location: Comparing Free-Field to Headphone-Based Non-Individual HRTFs

Nils Marggraf-Turley, Martha Shiell, Niels Pontoppidan, Drew Cappotto, Lorenzo Picinali · 2025

Sound source localization relies on spatial cues such as interaural time differences (ITD), interaural level differences (ILD), and monaural spectral cues. Individually measured Head-Related Transfer …

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Engineering Preprint PDF DOI

A Risk-Averse Just-In-Time Scheme for Learning-Based Operation of Microgrids with Coupled Electricity-Hydrogen-Ammonia under Uncertainties

Longyan Li, Chao Ning, Guangsheng Pan, Leiqi Zhang, Wei Gu, Liang Zhao, Wenli Du, Mohammad Shahidehpour · 2024

This paper proposes a Risk-Averse Just-In-Time (RAJIT) operation scheme for Ammonia-Hydrogen-based Micro-Grids (AHMGs) to boost electricity-hydrogen-ammonia coupling under uncertainties. First, an off…

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Engineering Preprint PDF DOI

Line Spectral Analysis Using the G-Filter: An Atomic Norm Minimization Approach

Bin Zhu, Jiale Tang · 2024

The area of spectral analysis has a traditional dichotomy between continuous spectra (spectral densities) which correspond to purely nondeterministic processes, and line spectra (Dirac impulses) which…

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Engineering Preprint PDF DOI

When atomic norm meets the G-filter: A general framework for line spectral estimation

Bin Zhu, Jiale Tang · 2024

This paper proposes a novel approach for line spectral estimation which combines Georgiou's filter bank (G-filter) with atomic norm minimization (ANM). A key ingredient is a Carath\'{e}odory--Fej\'{e}…

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Engineering Preprint PDF DOI

SoRoTop: a hitchhiker's guide to topology optimization MATLAB code for design-dependent pneumatic-driven soft robots

Prabhat Kumar · 2024

Demands for pneumatic-driven soft robots are constantly rising for various applications. However, they are often designed manually due to the lack of systematic methods. Moreover, design-dependent cha…

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Engineering Preprint PDF DOI

InsMix: Towards Realistic Generative Data Augmentation for Nuclei Instance Segmentation

Yi Lin, Zeyu Wang, Kwang-Ting Cheng, Hao Chen · 2022

Nuclei Segmentation from histology images is a fundamental task in digital pathology analysis. However, deep-learning-based nuclei segmentation methods often suffer from limited annotations. This pape…

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Engineering Preprint PDF DOI

Necessary and Sufficient Conditions for Harmonic Control in Continuous Time

Nicolas Blin (CRAN), Pierre Riedinger (CRAN), Jamal Daafouzi (CRAN), Louis Grimaud, Philippe Feyel · 2021

In this paper, we revisit the concepts and tools of harmonic analysis and control and provide a rigorous mathematical answer to the following question: when does an harmonic control has a representati…

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Engineering Preprint PDF DOI

Glioma Classification Using Multimodal Radiology and Histology Data

Azam Hamidinekoo, Tomasz Pieciak, Maryam Afzali, Otar Akanyeti, Yinyin Yuan · 2020

Gliomas are brain tumours with a high mortality rate. There are various grades and sub-types of this tumour, and the treatment procedure varies accordingly. Clinicians and oncologists diagnose and cat…

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Engineering Preprint PDF DOI

Hierarchical Classification of Pulmonary Lesions: A Large-Scale Radio-Pathomics Study

Jiancheng Yang, Mingze Gao, Kaiming Kuang, Bingbing Ni, Yunlang She, Dong Xie, Chang Chen · 2020

Diagnosis of pulmonary lesions from computed tomography (CT) is important but challenging for clinical decision making in lung cancer related diseases. Deep learning has achieved great success in comp…

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Engineering Preprint PDF DOI

Line Spectrum Representation for Vector Processes With Application to Frequency Estimation

Bin Zhu · 2020

A positive semidefinite Toeplitz matrix, which often arises as the finite covariance matrix of a stationary random process, can be decomposed as the sum of a nonnegative multiple of the identity corre…

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Engineering Preprint PDF DOI

The Hearpiece database of individual transfer functions of an openly available in-the-ear earpiece for hearing device research

Florian Denk, Birger Kollmeier · 2020

We present a database of acoustic transfer functions of the Hearpiece, an openly available multi-microphone multi-driver in-the-ear earpiece for hearing device research. The database includes HRTFs fo…

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Engineering Preprint PDF DOI

Design and Realization of a Reflectarray Compact Antenna Test Range

Zhiping Li · 2019

This paper presents a reflectarray compact antenna test range (RACATR). The new range layout is designed to suppress the unwanted diffraction. A fast near field optimization method has been used to de…

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Engineering Preprint PDF DOI

Radiopathomics: Integration of radiographic and histologic characteristics for prognostication in glioblastoma

Saima Rathore, Muhammad A. Iftikhar, Metin N. Gurcan, Zissimos Mourelatos · 2019

Both radiographic (Rad) imaging, such as multi-parametric magnetic resonance imaging, and digital pathology (Path) images captured from tissue samples are currently acquired as standard clinical pract…

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Engineering Preprint PDF DOI

Clock synchronization over networks -- Identifiability of the sawtooth model

Pol del Aguila Pla, Lissy Pellaco, Satyam Dwivedi, Peter Handel, Joakim Jalden · 2019

In this paper, we analyze the two-node joint clock synchronization and ranging problem. We focus on the case of nodes that employ time-to-digital converters to determine the range between them precise…

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Engineering Preprint PDF DOI

Appointment scheduling model in healthcare using clustering algorithms

Niloofar Yousefi, Farhad Hasankhani, Mahsa Kiani, Nooshin Yousefi · 2019

In this study, we provided a scheduling procedure which is a combination of machine learning and mathematical programming that minimizes the waiting time of higher priority outpatients. Outpatients wh…

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Engineering Preprint PDF DOI

A Greedy Approach to $\ell_{0,\infty}$ Based Convolutional Sparse Coding

Elad Plaut, Raja Giryes · 2018

Sparse coding techniques for image processing traditionally rely on a processing of small overlapping patches separately followed by averaging. This has the disadvantage that the reconstructed image n…

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