no code implementations • 30 Jul 2023 • Karen Sanchez, Carlos Hinojosa, Kevin Arias, Henry Arguello, Denis Kouame, Olivier Meyrignac, Adrian Basarab
This paper introduces a new data augmentation architecture that generates synthetic multiparametric (T1 arterial, T1 portal, and T2) magnetic resonance images (MRI) of massive macrotrabecular subtype hepatocellular carcinoma with their corresponding tumor masks through a generative deep learning approach.
no code implementations • 12 Jun 2023 • Hojat Asgariandehkordi, Sobhan Goudarzi, Adrian Basarab, Hassan Rivaz
To improve the Peak Signal to Noise Ratio (PSNR) of the images, previous denoising methods often remove the speckles, which could be informative for radiologists and also for quantitative ultrasound.
no code implementations • 31 Dec 2022 • Sayantan Dutta, Adrian Basarab, Bertrand Georgeot, Denis Kouamé
This paper presents a deep neural network called DIVA unfolding a baseline adaptive denoising algorithm (De-QuIP), relying on the theory of quantum many-body physics.
1 code implementation • 16 Jun 2022 • Sobhan Goudarzi, Adrian Basarab, Hassan Rivaz
During the past few years, inverse problem formulations of ultrasound beamforming have attracted a growing interest.
no code implementations • 28 Dec 2021 • Sobhan Goudarzi, Adrian Basarab, Hassan Rivaz
In parallel to beamforming approaches, deconvolution methods have also been explored in ultrasound imaging to mitigate the adverse effects of PSF.
no code implementations • 16 Dec 2021 • Sayantan Dutta, Adrian Basarab, Bertrand Georgeot, Denis Kouamé
Sparse representation of real-life images is a very effective approach in imaging applications, such as denoising.
no code implementations • 31 Aug 2021 • Sayantan Dutta, Adrian Basarab, Bertrand Georgeot, Denis Kouamé
Decomposing an image through Fourier, DCT or wavelet transforms is still a common approach in digital image processing, in number of applications such as denoising.
1 code implementation • 1 Jul 2021 • Sayantan Dutta, Adrian Basarab, Bertrand Georgeot, Denis Kouamé
A new Plug-and-Play (PnP) alternating direction of multipliers (ADMM) scheme is proposed in this paper, by embedding a recently introduced adaptive denoiser using the Schroedinger equation's solutions of quantum physics.
1 code implementation • 3 Nov 2020 • Duong-Hung Pham, Adrian Basarab, Jean-Pierre Remenieras, Paul Rodríguez, Denis Kouamé
This paper introduces a computationally efficient technique for estimating high-resolution Doppler blood flow from an ultrafast ultrasound image sequence.
Image and Video Processing
no code implementations • 29 Oct 2020 • Nwigbo Kenule Tuador, Duong Hung Pham, Jérôme Michetti, Adrian Basarab, Denis Kouamé
This paper introduces a novel computationally efficient method of solving the 3D single image super-resolution (SR) problem, i. e., reconstruction of a high-resolution volume from its low-resolution counterpart.
no code implementations • 19 Oct 2020 • Sayantan Dutta, Adrian Basarab, Bertrand Georgeot, Denis Kouamé
This paper introduces a new Plug-and-Play (PnP) alternating direction of multipliers (ADMM) scheme based on a recently proposed denoiser using the Schroedinger equation's solutions of quantum physics.
1 code implementation • 10 Jul 2020 • Duong-Hung Pham, Adrian Basarab, Ilyess Zemmoura, Jean-Pierre Remenieras, Denis Kouame
This paper addresses the problem of high-resolution Doppler blood flow estimation from an ultrafast sequence of ultrasound images.
1 code implementation • 6 May 2020 • Oktay Karakuş, Nantheera Anantrasirichai, Amazigh Aguersif, Stein Silva, Adrian Basarab, Alin Achim
In this paper, we present a novel method for line artefacts quantification in lung ultrasound (LUS) images of COVID-19 patients.
no code implementations • 2 Apr 2020 • Sayantan Dutta, Adrian Basarab, Bertrand Georgeot, Denis Kouamé
Decomposition of digital signals and images into other basis or dictionaries than time or space domains is a very common approach in signal and image processing and analysis.
1 code implementation • 26 Jul 2018 • Janka Hatvani, Adrian Basarab, Jean-Yves Tourneret, Miklós Gyöngy, Denis Kouamé
In this article this factorization framework is investigated for single image resolution enhancement with an off-line estimate of the system point spread function.
1 code implementation • 22 Jul 2017 • Ningning Zhao, Daniel O'Connor, Adrian Basarab, Dan Ruan, Peng Hu, Ke Sheng
This paper proposes a novel framework to reconstruct the dynamic magnetic resonance images (DMRI) with motion compensation (MC).
no code implementations • 17 Dec 2015 • Zhouye Chen, Adrian Basarab, Denis Kouamé
Through this model, the resolution of reconstructed ultrasound images from compressed measurements mainly depends on three aspects: the acquisition setup, i. e. the incoherence of the sampling matrix, the image regularization, i. e. the sparsity prior, and the optimization technique.
no code implementations • 1 Oct 2015 • Ningning Zhao, Qi Wei, Adrian Basarab, Nicolas Dobigeon, Denis Kouame, Jean-Yves Tourneret
Specifically, an analytical solution can be obtained and implemented efficiently for the Gaussian prior or any other regularization that can be formulated into an $\ell_2$-regularized quadratic model, i. e., an $\ell_2$-$\ell_2$ optimization problem.
no code implementations • 29 Jul 2015 • Teodora Szasz, Adrian Basarab, Denis Kouamé
In this paper, we propose to perform beamforming in ultrasound imaging through a regularized inverse problem based on a linear model relating the reflected echoes to the signal to be recovered.
no code implementations • 1 Jul 2015 • Zhouye Chen, Adrian Basarab, Denis Kouamé
The interest of compressive sampling in ultrasound imaging has been recently extensively evaluated by several research teams.
no code implementations • 8 Dec 2014 • Ningning Zhao, Adrian Basarab, Denis Kouame, Jean-Yves Tourneret
Thus, we propose a GGD-Potts model defined by a label map coupling US image segmentation and deconvolution.