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Sunil Kumar
ORCID
Publication Activity (10 Years)
Years Active: 2010-2024
Publications (10 Years): 25
Top Topics
Fundus Images
Decomposition Methods
Differential Equations
Boundary Conditions
Top Venues
Comput. Appl. Math.
J. Comput. Appl. Math.
Numer. Algorithms
Multim. Tools Appl.
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Publications
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Sunil Kumar
,
Shashikant Kumar
,
Sumit
A priori and a posteriori error estimation for singularly perturbed delay integro-differential equations.
Numer. Algorithms
95 (4) (2024)
Aakansha
,
Sunil Kumar
,
Higinio Ramos
A rapidly converging domain decomposition algorithm for a time delayed parabolic problem with mixed type boundary conditions exhibiting boundary layers.
J. Appl. Math. Comput.
70 (2) (2024)
Kumi Rani
,
Sunil Kumar
Hyperspectral image classification using a new deep learning model based on pseudo-3D block and depth separable 2D-3D convolution.
Eng. Appl. Artif. Intell.
130 (2024)
Joginder Singh
,
Sunil Kumar
A domain decomposition method of Schwarz waveform relaxation type for singularly perturbed nonlinear parabolic problems.
Int. J. Comput. Math.
100 (1) (2023)
Sunil Kumar
,
Aakansha
,
Joginder Singh
,
Higinio Ramos
Parameter-uniform convergence analysis of a domain decomposition method for singularly perturbed parabolic problems with Robin boundary conditions.
J. Appl. Math. Comput.
69 (2) (2023)
Anshima Singh
,
Sunil Kumar
,
Jesús Vigo-Aguiar
A fully discrete scheme based on cubic splines and its analysis for time-fractional reaction-diffusion equations exhibiting weak initial singularity.
J. Comput. Appl. Math.
434 (2023)
Anshima Singh
,
Sunil Kumar
A convergent exponential B-spline collocation method for a time-fractional telegraph equation.
Comput. Appl. Math.
42 (2) (2023)
Aishwarya Jaiswal
,
Shashikant Kumar
,
Sunil Kumar
A priori and a posteriori error analysis for a system of singularly perturbed Volterra integro-differential equations.
Comput. Appl. Math.
42 (6) (2023)
Pranshu Prakash Vaish
,
Kumi Rani
,
Sunil Kumar
Cyclic learning rate based HybridSN model for hyperspectral image classification.
Multim. Tools Appl.
81 (23) (2022)
Sumit
,
Sunil Kumar
,
Jesús Vigo-Aguiar
Analysis of a nonlinear singularly perturbed Volterra integro-differential equation.
J. Comput. Appl. Math.
404 (2022)
Sunil Kumar
,
Sumit
,
Jesús Vigo-Aguiar
A parameter-uniform grid equidistribution method for singularly perturbed degenerate parabolic convection-diffusion problems.
J. Comput. Appl. Math.
404 (2022)
Aakansha
,
Sunil Kumar
,
Joginder Singh
An efficient numerical method for coupled systems of singularly perturbed parabolic delay problems.
Comput. Appl. Math.
41 (1) (2022)
Sunil Kumar
,
Sumit
,
Jesús Vigo-Aguiar
A high order convergent numerical method for singularly perturbed time dependent problems using mesh equidistribution.
Math. Comput. Simul.
199 (2022)
Sunil Kumar
,
Shashikant Kumar
,
Sumit
A posteriori error estimation for quasilinear singularly perturbed problems with integral boundary condition.
Numer. Algorithms
89 (2) (2022)
Abhinav Patel
,
Kumi Rani
,
Sunil Kumar
,
Isabel N. Figueiredo
,
Pedro N. Figueiredo
Automated bleeding detection in wireless capsule endoscopy images based on sparse coding.
Multim. Tools Appl.
80 (20) (2021)
Aakansha
,
Joginder Singh
,
Sunil Kumar
Additive schemes based domain decomposition algorithm for solving singularly perturbed parabolic reaction-diffusion systems.
Comput. Appl. Math.
40 (3) (2021)
Sunil Kumar
,
Sumit
,
Higinio Ramos
Parameter-uniform approximation on equidistributed meshes for singularly perturbed parabolic reaction-diffusion problems with Robin boundary conditions.
Appl. Math. Comput.
392 (2021)
Sumit
,
Sunil Kumar
,
Kuldeep
,
Mukesh Kumar
A robust numerical method for a two-parameter singularly perturbed time delay parabolic problem.
Comput. Appl. Math.
39 (3) (2020)
Joginder Singh
,
Sunil Kumar
,
Mukesh Kumar
A High Order Accurate Overlapping Domain Decomposition Method for Singularly Perturbed Reaction-Diffusion Systems.
FDM
(2018)
Sunil Kumar
,
Mukesh Kumar
A second order uniformly convergent numerical scheme for parameterized singularly perturbed delay differential problems.
Numer. Algorithms
76 (2) (2017)
Sunil Kumar
,
S. Chandra Sekhara Rao
A robust domain decomposition algorithm for singularly perturbed semilinear systems.
Int. J. Comput. Math.
94 (6) (2017)
Carlos Graca
,
Gabriel Falcão
,
Isabel N. Figueiredo
,
Sunil Kumar
Hybrid multi-GPU computing: accelerated kernels for segmentation and object detection with medical image processing applications.
J. Real Time Image Process.
13 (1) (2017)
Isabel N. Figueiredo
,
Susana D. Moura
,
Júlio S. Neves
,
Luís Pinto
,
Sunil Kumar
,
Carlos Manta Oliveira
,
João Diogo Ramos
Automated retina identification based on multiscale elastic registration.
Comput. Biol. Medicine
79 (2016)
Sunil Kumar
,
Mukesh Kumar
Analysis of some numerical methods on layer adapted meshes for singularly perturbed quasilinear systems.
Numer. Algorithms
71 (1) (2016)
Indu Joshi
,
Sunil Kumar
,
Isabel N. Figueiredo
Bag of Visual Words Approach for Bleeding Detection in Wireless Capsule Endoscopy Images.
ICIAR
(2016)
Sunil Kumar
,
Mukesh Kumar
An analysis of overlapping domain decomposition methods for singularly perturbed reaction-diffusion problems.
J. Comput. Appl. Math.
281 (2015)
Isabel N. Figueiredo
,
Sunil Kumar
,
Carlos Manta Oliveira
,
João Diogo Ramos
,
Björn Engquist
Automated lesion detectors in retinal fundus images.
Comput. Biol. Medicine
66 (2015)
Carlos Graca
,
Gabriel Falcão Paiva Fernandes
,
Sunil Kumar
,
Isabel N. Figueiredo
Cooperative use of parallel processing with time or frequency-domain filtering for shape recognition.
EUSIPCO
(2014)
Sunil Kumar
,
Mukesh Kumar
High order parameter-uniform discretization for singularly perturbed parabolic partial differential equations with time delay.
Comput. Math. Appl.
68 (10) (2014)
Isabel N. Figueiredo
,
Sunil Kumar
Wavelet-Based Computer-Aided Detection of Bright Lesions in Retinal Fundus Images.
CompIMAGE
(2014)
Sunil Kumar
Layer-adapted methods for quasilinear singularly perturbed delay differential problems.
Appl. Math. Comput.
233 (2014)
Isabel N. Figueiredo
,
Sunil Kumar
Automatic Optic Disc Detection in Retinal Fundus Images Based on Geometric Features.
ICIAR (2)
(2014)
Sunil Kumar
,
S. Chandra Sekhara Rao
A robust overlapping Schwarz domain decomposition algorithm for time-dependent singularly perturbed reaction-diffusion problems.
J. Comput. Appl. Math.
261 (2014)
Isabel N. Figueiredo
,
Sunil Kumar
,
Carlos F. Leal
,
Pedro N. Figueiredo
Computer-assisted bleeding detection in wireless capsule endoscopy images.
Comput. methods Biomech. Biomed. Eng. Imaging Vis.
1 (4) (2013)
S. Chandra Sekhara Rao
,
Sunil Kumar
Second order global uniformly convergent numerical method for a coupled system of singularly perturbed initial value problems.
Appl. Math. Comput.
219 (8) (2012)
Sunil Kumar
,
Mukesh Kumar
Parameter-robust numerical method for a system of singularly perturbed initial value problems.
Numer. Algorithms
59 (2) (2012)
S. Chandra Sekhara Rao
,
Sunil Kumar
An almost fourth order uniformly convergent domain decomposition method for a coupled system of singularly perturbed reaction-diffusion equations.
J. Comput. Appl. Math.
235 (11) (2011)
S. Chandra Sekhara Rao
,
Sunil Kumar
An Efficient Numerical Method for a System of Singularly Perturbed Semilinear Reaction-Diffusion Equations.
NMA
(2010)
S. Chandra Sekhara Rao
,
Sunil Kumar
A robust numerical method for singularly perturbed semilinear convection-diffusion problems.
Neural Parallel Sci. Comput.
18 (2) (2010)