Journal Articles: Recent submissions

Now showing items 81-100 of 406

Hermite-scan imaging for differentiating glioblastoma from normal brain: simulations and ex vivo studies for applications in intra-operative tumor identification

Kakkar, Manik; Patil, Jagruti M.; Trivedi, Vishwas; Yadav, Anushka; Saha, Ratan K.; Rao, Shilpa; Vazhayil, Vikas; Pandya, Hardik J.; Mahadevan, Anita; Shekhar, Himanshu; Mercado-Shekhar, Karla P. (Acoustical Society of America, 2023-12)

Hermite-scan (H-scan) imaging is a tissue characterization technique based on the analysis of raw ultrasound radio frequency (RF) echoes. It matches the RF echoes to Gaussian-weighted Hermite polynomials of various orders ...
A chance-constrained stochastic chiller sequencing strategy considering life-expectancy of chiller plant

Kumar, Devesh; Pindoriya, Naran M. (Elsevier, 2024-03)

This article focuses on addressing the chiller sequencing problem of chiller plants by establishing a comprehensive energy management framework. The contribution of this work is threefold. Firstly, a distributive modeling ...
Joint dereverberation and beamforming with blind estimation of the shape parameter of the desired source prior

Yadav, Shekhar Kumar; George, Nithin V. (Institute of Electrical and Electronics Engineers, 2024)

Dereverberation and acoustic beamforming is used to capture the speech of a desired speaker in the presence of interfering speakers in a reverberant room using an array of microphones. Traditionally, to perform these two ...
Performance evaluation of an active headrest system using a filtered-x least mean square/fourth algorithm with virtual sensing

Karthik, Munukutla L. N. Srinivas; Pradhan, Somanath; George, Nithin V. (Acoustical Society of America, 2023-11)

In an active headrest system virtual sensing tends to transfer the spatial zone of quiet from the residual error microphone to the ear canal. An attempt has been made in this paper to develop an auxiliary filter based ...
AC-DC multi-phase power flow algorithms for active distribution system analysis

Bhattar, Poornachandratejasvi Laxman; Pindoriya, Naran M.; Sharma, Anurag; Naayagi, R. T. (Elsevier, 2024-01)

The analysis of the distribution system in the presence of distributed generations (DGs) with conventional power flow tools poses a technical challenge owing to higher resistance to reactance ratio, unbalanced phases, and ...
Compact modeling of LDMOS transistors over a wide temperature range including cryogenics

Machhiwar, Yogendra; Gill, Garima; Kaushal, Kumari Neeraj; Mohapatra, Nihar Ranjan; Agarwal, Harshit (Institute of Electrical and Electronics Engineers, 2024-01)

An improved compact model of high-voltage laterally diffused MOS (LDMOS) transistors valid over a wide temperature range including cryogenic is presented. The existing BSIM-BULK HV compact model is improved to include ...
Recent developments in Chalcogenide phase change material-based nanophotonics

Tripathi, Devdutt; Vyas, Hardik; Kumar, Sushil; Panda, Soumyashree S.; Hegde, Ravi S. (IOP Publishing, 2023-12)

There is now a deep interest in actively reconfigurable nanophotonics as they will enable the next generation of optical devices. Of the various alternatives being explored for reconfigurable nanophotonics, Chalcogenide ...
Automatic crater shape retrieval using unsupervised and semi-supervised systems

Tewari, Atal; Jain, Vikrant; Khanna, Nitin (Elsevier, 2024-01)

Impact craters are depressions formed due to impacts on the surface of planetary bodies. Recent deep learning-based crater detection methods assume craters as circular-shaped without much attention to extracting craters' ...
Contrast-specific imaging of histotripsy: chirp-coded subharmonic imaging combined with volterra filtering

Trivedi, Vishwas; Wallach, Emily; Bader, Kenneth B.; Shekhar, Himanshu (Acoustical Society of America, 2023-03)

Histotripsy is a non-thermal focused ultrasound therapy under development to ablate tissue mechanically via bubble cloud activity. Real-time ultrasound imaging is used for treatment guidance. Bubble cloud hyperechogenicity ...
Block-level double JPEG compression detection for image forgery localization

Verma, Vinay; Singh, Deepak; Khanna, Nitin (Springer, 2023-06)

Forged images in JPEG format have a ubiquitous presence in today's world due to the ease of availability of image manipulation tools. This paper presents a deep learning-based system that utilizes the inherent relationship ...
Distinctive visual tasks for characterizing mild cognitive impairment and dementia using Oculomotor behavior

Rane, Dharma; Dash, Deba P.; Dutt, Alakananda; Dutta, Anirban; Das, Abhijit; Lahiri, Uttama (Frontiers Media, 2023-07)

One's eye movement (in response to visual tasks) provides a unique window into the cognitive processes and higher-order cognitive functions that become adversely affected in cases with cognitive decline, such as those Mild ...
Contrast-enhanced imaging of Histotripsy bubble clouds using chirp-coded excitation and Volterra filtering

Trivedi, Vishwas; Wallach, Emily; Bader, Kenneth B.; Shekhar, Himanshu (Institute of Electrical and Electronics Engineers, 2023-09)

Histotripsy is a focused ultrasound therapy that ablates tissue via bubble cloud activity. Real-time ultrasound image guidance is used to ensure safe and effective treatment. Plane-wave imaging enables tracking of histotripsy ...
HyGain: high-performance, energy-efficient hybrid gain cell-based cache hierarchy

Singh, Sarabjeet; Surana, Neelam; Prasad, Kailash; Jain, Pranjali; Mekie, Joycee; Awasthi, Manu (Association for Computing Machinery, 2023-06)

In this article, we propose a "full-stack" solution to designing high-apacity and low-latency on-chip cache hierarchies by starting at the circuit level of the hardware design stack. We propose a novel half VDD precharge ...
Theoretical study on vertically coupled Stranski-Krastanov (SK) on Sub Monolayer (SML) InAs quantum dot heterostructures employing ternary and quaternary barrier materials

Kumar, Ravindra; Choudhary, Samishta; Saha, Jhuma; Chakrabarti, Subhananda (Institute of Electrical and Electronics Engineers, 2023-05)

This work presents the impact of barrier spacer on the structural and optical properties of strain-coupled Stranski-Krastanov (SK) on Sub Monolayer (SML) quantum dot (QD) heterostructures. Various ternary and quaternary ...
Characterizing freezing of gait episodes for Parkinson's disease using a wearable device quantifying gait and posture

Pallavi, Priya; Patel, Niravkumar; Kanetkar, Manasi; Lahiri, Uttama (Springer, 2023-05)

Purpose: With disease progression, individuals with Parkinson’s disease (PD) experience freezing of gait (FoG). Certain motor, cognitive and environmental factors can trigger freezing. Investigators have been focusing on ...
Effect of temperature on the acoustic response and stability of size-isolated protein-shelled ultrasound contrast agents and SonoVue

Kaushik, Anuj; Khan, Aaqib H.; Pratibha; Dalvi, Sameer V.; Shekhar, Himanshu (Acoustical Society of America, 2023-04)

Limited work has been reported on the acoustic and physical characterization of protein-shelled UCAs. This study characterized bovine serum albumin (BSA)-shelled microbubbles filled with perfluorobutane gas, along with ...
Fluorine-terminated cove-edged defected boron nitride nanoribbons based NDR for resonant tunneling diodes

Kharwar, Saurabh; Singh, Sangeeta (Elsevier, 2023-07)

Using first principles calculations within the context of density functional theory (DFT) and non-equilibrium Green's function (NEGF), the electronic transport properties of fluorinated cove-edge defected zigzag boron ...
Robust DOA estimation based on an exponential hyperbolic cosine adaptive algorithm

Joel, S.; Kumar, Krishna; George, Nithin V. (Institute of Electrical and Electronics Engineers, 2023-05)

Direction-of-arrival (DOA) estimation methods based on conventional adaptive signal processing are not robust to outliers. A robust DOA estimation technique based on an exponential hyperbolic cosine function under such ...
Detailed analysis of the R1f/ΔI1 WMS technique and demonstration of significantly higher detection sensitivity compared to 2f WMS for calibration-free trace gas sensing

De, Shruti; Selvaraj, Ramya; Grattan, Kenneth T. V.; Chakraborty, Arup Lal (Optica, 2023-04)

Recognizing that wavelength modulation spectroscopy (WMS) is particularly important in the development of high-sensitivity gas sensing systems, this paper presents a detailed analysis of the 𝑅1𝑓/Δ𝐼1 WMS technique that ...
Single exact single approximate adders and single exact dual approximate adders

Jha, Chandan Kumar; Nandi, Ankita; Mekie, Joycee (Institute of Electrical and Electronics Engineers, 2023-05)

In this article, we present the design of approximate adders which provide dynamic runtime configurability between exact and approximate modes at the circuit level. We propose the single exact single approximate (SESA) ...

Now showing items 81-100 of 406

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