Image denoising method based on a deep convolution neural network

F Zhang, N Cai, J Wu, G Cen, H Wang… - IET Image …, 2018 - Wiley Online Library
Image denoising is still a challenging problem in image processing. The authors propose a
novel image denoising method based on a deep convolution neural network (DCNN) …

A conservative and stable explicit finite difference scheme for the diffusion equation

J Yang, C Lee, S Kwak, Y Choi, J Kim - Journal of Computational Science, 2021 - Elsevier
In this study, we present a conservative and stable explicit finite difference scheme for the
heat equation. We use Saul'yev-type finite difference scheme and propose a conservative …

Variational approach for rigid co-registration of optical/SAR satellite images in agricultural areas

V Hnatushenko, P Kogut, M Uvarov - Journal of Computational and Applied …, 2022 - Elsevier
In this paper the problem of Synthetic Aperture Radar (SAR) and optical satellite images co-
registration is considered. Because of the distinct natures of SAR and optical images, there …

Image decomposition and denoising using fractional‐order partial differential equations

J Bai, XC Feng - IET Image Processing, 2020 - Wiley Online Library
In this study, the authors propose a fractional derivative‐based image decomposition and
denoising model which decomposes the image into the cartoon component (the component …

Combining anisotropic diffusion, transport equation and texture synthesis for inpainting textured images

W Casaca, M Boaventura, MP De Almeida… - Pattern Recognition …, 2014 - Elsevier
In this work we propose a new image inpainting technique that combines texture synthesis,
anisotropic diffusion, transport equation and a new sampling mechanism designed to …

Poisson image denoising using fast discrete curvelet transform and wave atom

S Palakkal, KMM Prabhu - Signal Processing, 2012 - Elsevier
In this paper, we propose a strategy to combine fast discrete curvelet transform (FDCT) and
wave atom (WA) with multiscale variance stabilizing transform (MS-VST); our objective is to …

Spectral image segmentation using image decomposition and inner product-based metric

W Casaca, A Paiva, E Gomez-Nieto, P Joia… - Journal of mathematical …, 2013 - Springer
Image segmentation is an indispensable tool in computer vision applications, such as
recognition, detection and tracking. In this work, we introduce a novel user-assisted image …

Graph laplacian for spectral clustering and seeded image segmentation

W Casaca, G Taubin, LG Nonato - … do XXVIII Concurso de Teses e …, 2015 - sol.sbc.org.br
Interactive segmentation methods have gained much attention lately, specially due to their
good performance in segmenting complex images and easy utilization. However, most …

[PDF][PDF] A new method for Rician noise rejection in sparse representation Un nuevo método para el rechazo de ruido Rician en representación escasa

MD Leandro - IngenIería InvestIgacIón y tecnología, 2019 - revistaingenieria.unam.mx
Uno de los factores que afecta la calidad de las imágenes médicas es el ruido en el proceso
de adquisición. El ruido Rician, por ejemplo, está presente en las imágenes de MRI y …

Spectral segmentation using cartoon-texture decomposition and inner product-based metric

W Casaca, A Paiva, LG Nonato - 2011 24th SIBGRAPI …, 2011 - ieeexplore.ieee.org
This paper presents a user-assisted image partition technique that combines cartoon-texture
decomposition, inner product-based similarity metric, and spectral cut into a unified …