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๐Ÿ” rajath kumar ๐Ÿ“‚ Engineering
Showing 23 results for "rajath kumar" in Engineering
Engineering Preprint PDF DOI

Characterizing Lidar Range-Measurement Ambiguity due to Multiple Returns

Jason H. Rife, Yifan Li ยท 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. Despitโ€ฆ

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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 ยท 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 wheโ€ฆ

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Engineering Preprint PDF DOI

Efficient Decoders for Sensing Subspace Code

Siva Aditya Gooty, Hessam Mahdavifar ยท 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 generationโ€ฆ

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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 ยท 2025

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

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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 ยท 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 โ€ฆ

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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 ยท 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 offโ€ฆ

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Engineering Preprint PDF DOI

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

Bin Zhu, Jiale Tang ยท 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) whichโ€ฆ

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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 ยท 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}โ€ฆ

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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 ยท 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 chaโ€ฆ

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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 ยท 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 papeโ€ฆ

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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 ยท 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 representatiโ€ฆ

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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 ยท 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 catโ€ฆ

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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 ยท 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 compโ€ฆ

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Engineering Preprint PDF DOI

Line Spectrum Representation for Vector Processes With Application to Frequency Estimation

Bin Zhu ยท 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 correโ€ฆ

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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 ยท 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 foโ€ฆ

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Engineering Preprint PDF DOI

Design and Realization of a Reflectarray Compact Antenna Test Range

Zhiping Li ยท 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 deโ€ฆ

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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 ยท 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 practโ€ฆ

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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 ยท 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 preciseโ€ฆ

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Engineering Preprint PDF DOI

Appointment scheduling model in healthcare using clustering algorithms

Niloofar Yousefi, Farhad Hasankhani, Mahsa Kiani, Nooshin Yousefi ยท 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 whโ€ฆ

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Engineering Preprint PDF DOI

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

Elad Plaut, Raja Giryes ยท 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 nโ€ฆ

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