Sunil Kumar

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 25

Top Topics

Decomposition Methods

Differential Equations

Boundary Conditions

Top Venues

Comput. Appl. Math.

J. Comput. Appl. Math.

Numer. Algorithms

Multim. Tools Appl.

Publications

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)