Browsing Journal Articles by Title

Now showing items 146-165 of 304

Implication of pathway turn and task condition on gait quantified using smartwalk: changes with age and parkinson's disease with relevance to postural strategy and risk of fall

Pallavi, Priya; Jariwala, Neeti; Patel, Niravkumar; Kanetkar, Manasi; Diwan, Shraddha; Lahiri, Uttama (Frontiers Media, 2022-04)

One's gait can be affected by ageing, pathway with turns, task demands, etc. causing changes in gait-related indices and knee flexion (influencing posture). Walking on pathway with turns threatens stability, affecting one's ...
Implications of physiology-sensitive gait exercise on the lower limb electromyographic activity of hemiplegic post-stroke patients: a feasibility study in low resource settings

Solanki, Dhaval; Kumar, Siddhant; Shubha, B.; Lahiri, Uttama (Institute of Electrical and Electronics Engineers, 2020-07)

Background: Stroke is one of the leading causes of disability with ~80% of post-stroke survivors suffering from gait-related deficits. Conventional gait rehabilitation settings are labor-intensive and need rigorous involvement ...
An improved constrained LMS algorithm for fast adaptive beamforming based on a low rank approximation

Vadhvana, Sanket; Yadav, Shekhar Kumar; Bhattacharjee, Sankha Subhra; George, Nithin V. (Institute of Electrical and Electronics Engineers, 2022-03)

Adaptive beamformers use data from sensor arrays to capture signal from a desired direction without any distortion, in the presence of interfering signals from other directions in a noisy environment. Most beamformers ...
Improved Control Strategy for Bidirectional Single Phase AC-DC Converter in Hybrid AC/DC Microgrid

Gundabathini, Rakesh; Pindoriya, Naran M. (Taylor & Francis, 2018-05)

This paper presents the improved control strategy with optimal switching scheme to improve the bidirectional converter's power flow control capability and to allow for different modes of operation in hybrid AC/DC microgrid. ...
Improved linear embeddings via Lagrange duality

Sheth, Kshiteej; Garg, Dinesh; Dasgupta, Anirban (Springer, 2018-07)
An improved proportionate delayless multiband-structured subband adaptive feedback canceller for digital hearing aids

Pradhan, Somanath; Patel, Vinal; Somani, Dipen; George, Nithin V. (IEEE, 2017-08)

Acoustic feedback cancellation is one of the challenging tasks in the design of a behind the ear (BTE) digital hearing aid. This feedback cancellation is usually achieved using an adaptive filter. The finite correlation ...
Improved refractive-index sensing performance in medium contrast gratings by asymmetry engineering

Vyas, Hardik; Hegde, Ravi S. (Optical Society of America, 2020-07)

Silicon nitride (Si3N4) subwavelength medium contrast gratings (MCGs) directly integrated with CMOS photodetectors are a promising option for on-chip label-free biosensing. The narrow spectral features required for sensing ...
InAs quantum dot-in-a-well heterostructures with InGaAs, GaAsN and GaAsSb well using digital alloy capping layer

Kumar, Ravindra; Saha, Jhuma; Tongbram, Binita; Panda, Debiprasad; Gourishetty, Raveesh; Kumar, Ravinder; Gazi, Sanowar Alam; Chakrabarti, Subhananda (Elsevier, 2023-03)

In this work, the authors introduced a novel approach called digital alloy capping layer (DACL) and investigated its effect on the optical and structural properties of InAs quantum dot-in-a-well (DWELL) heterostructures. ...
Insights into the mechanical and electrical properties of a metal-phosphorene interface: an Ab Initio study with a wide range of metals

Ghaffar, Abdul; Ganeriwala, Mohit D.; Hongo, Kenta; Maezono, Ryo; Mohapatra, Nihar Ranjan (American Chemical Society, 2021-03)

Finding a metal contact with higher interface adhesion and lower contact resistivity is a major challenge in realizing 2D material-based field-effect transistors. The commonly used metals in the semiconductor industry have ...
Intensity modulation-normalized calibration-free 1f and 2f wavelength modulation spectroscopy

Roy, Anirban; Chakraborty, Arup Lal (Institute of Electrical and Electronics Engineers, 2020-06)

This paper reports the development and validation of a field-deployable quantum cascade laser-based tunable diode laser spectroscopy (TDLS) sensor for in situ measurement of atmospheric CO and CO2 using a new calibration-free ...
Investigating the effect of vibrotactile feedback in transfemoral amputee with and without movable ankle joint

Vimal, Amit Kumar; Verma, Vinay; Khanna, Nitin; Joshi, Deepak (Institute of Electrical and Electronics Engineers, 2020-12)

The loss of somatosensory feedback after transfemoral amputation imposes a serious challenge in achieving postural stability. In the recent past, weight shifting exercises with fixed ankle joint have been reported useful ...
Investigating the feasibility of cerebellar transcranial direct current stimulation to facilitate post-stroke overground gait performance in chronic stroke: a partial least-squares regression approach

Solanki, Dhaval; Rezaee, Zey; Lahiri, Uttama (BMC, 2021-12)

Investigation of lobule-specific electric field effects of cerebellar transcranial direct current stimulation (ctDCS) on overground gait performance has not been performed, so this study aimed to investigate the feasibility ...
Ion migration in monolayer MoS2 memristors

Papadopoulos, Sotirios; Agarwal, Tarun; Jain, Achint; Taniguchi, Takashi; Watanabe, Kenji; Luisier, Mathieu; Emboras, Alexandros; Novotny, Lukas (American Physical Society, 2022-07)

Memristors hold great promise as building blocks for future computing architectures where memory andlogic are combined at the hardware level. However, scaling down the dimensions of memristive devices has been limited by ...
Iterative Spectral Clustering for Unsupervised Object Localization

Vora, Aditya; Raman, Shanmuganathan (Elsevier, 2018-04)

This paper addresses the problem of unsupervised object localization in an image. Unlike previous supervised and weakly supervised algorithms that require bounding box or image level annotations for training classifiers, ...
Joint logarithmic hyperbolic cosine robust sparse adaptive algorithms

Kumar, Krishna; Bhattacharjee, Sankha Subhra; George, Nithin V. (Institute of Electrical and Electronics Engineers, 2021-01)

Recently, the logarithmic hyperbolic cosine adaptive filter (LHCAF) was proposed and was seen to demonstrate excellent robustness against impulsive interference. However, for the modelling of sparse systems, it may not ...
Kinect-assisted performance-sensitive upper limb exercise platform for post-stroke survivors

Dash, Adyasha; Yadav, Anand; Chauhan, Anand; Lahiri, Uttama (Frontiers, 2019)

One's ability to use upper limbs is critical for performing activities of daily living necessary for enjoying quality community life. However, after stroke, such abilities becomes adversely affected and it often deprives ...
Leaky integrate and fire neuron by charge-discharge dynamics in floating-body MOSFET

Dutta, Sangya; Kumar, Vinay; Shukla, Aditya; Mohapatra, Nihar Ranjan; Ganguly, Udayan (Nature Publishing Group, 2017-12)

Neuro-biology inspired Spiking Neural Network (SNN) enables efficient learning and recognition tasks. To achieve a large scale network akin to biology, a power and area efficient electronic neuron is essential. Earlier, ...
A learning based approach for designing extended unit cell metagratings

Panda, Soumyashree S.; Hegde, Ravi S. (ADe Gruyter, 2022-01)

The possibility of arbitrary spatial control of incident wavefronts with the subwavelength resolution has driven research into dielectric optical metasurfaces in the last decade. The unit-cell based metasurface design ...
Light-induced in situ active tuning of the LSPR of gold nanorods over 90 nm

Ghosh, Piue; Thambi, Varsha; Kar, Ashish; Chakraborty, Arup Lal; Khatua, Saumyakanti (Optical Society of America, 2021-09)

We demonstrate an easy and controllable method for light induced active tuning of the longitudinal surface plasmon resonance (LSPR) of gold nanorods (AuNRs) over ?94 nm. The red-shift of the LSPR can be controlled by varying ...
Local neighborhood difference pattern: a new feature descriptor for natural and texture image retrieval

Verma, Manisha; Raman, Balasubramanian (Springer Verlag, 2018-05)

A new image retrieval technique using local neighborhood difference pattern (LNDP) has been proposed for local features. The conventional local binary pattern (LBP) transforms every pixel of image into a binary pattern ...

Now showing items 146-165 of 304

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