Ravi Prasad K. Jagannath
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View article: Inertial sensor-based heel strike and energy expenditure prediction using a hybrid machine learning approach
Inertial sensor-based heel strike and energy expenditure prediction using a hybrid machine learning approach Open
Objective Gait analysis plays a critical role in healthcare, biomechanics, and sports science, particularly for estimating energy expenditure (EE). This study introduces a hybrid machine learning approach integrating convolutional neural n…
View article: Fractional Regularized Distorted Born Iterative Method for Permittivity Reconstruction
Fractional Regularized Distorted Born Iterative Method for Permittivity Reconstruction Open
In this paper, we propose a fractional regularized distorted Born iterative method (DBIM) to solve non-linear ill-posed problems of microwave imaging. Fractional regularization is a modification to Tikhonov regularization, where singular v…
View article: An Exponential Filtering Based Inversion Method for Microwave Imaging
An Exponential Filtering Based Inversion Method for Microwave Imaging Open
In this paper, a new methodology based on the exponential filtering of singular values is adopted to solve the linear ill-posed problem of microwave imaging. This technique filters out the insignificant singular values and works as an effi…
View article: Chip-scale Temperature-compensated Superstructured Waveguide Bragg Grating Based Multiparametric Sensor
Chip-scale Temperature-compensated Superstructured Waveguide Bragg Grating Based Multiparametric Sensor Open
In this paper we propose and theoretically analyze a monolithic multiparametric sensor consisting of a superstructure of surface-relief waveguide Bragg gratings (WBGs), a micro-machined diaphragm, and a cantilever beam. Diaphragms of two d…