Search Results for author: Shujaat Khan

Found 20 papers, 6 papers with code

Phase Aberration Robust Beamformer for Planewave US Using Self-Supervised Learning

no code implementations16 Feb 2022 Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

Ultrasound (US) is widely used for clinical imaging applications thanks to its real-time and non-invasive nature.

Self-Supervised Learning

Tunable Image Quality Control of 3-D Ultrasound using Switchable CycleGAN

no code implementations6 Dec 2021 Jaeyoung Huh, Shujaat Khan, Sungjin Choi, Dongkuk Shin, Eun Sun Lee, Jong Chul Ye

In contrast to 2-D ultrasound (US) for uniaxial plane imaging, a 3-D US imaging system can visualize a volume along three axial planes.

Anatomy Image Enhancement

Performance Analysis of Fractional Learning Algorithms

no code implementations11 Oct 2021 Abdul Wahab, Shujaat Khan, Imran Naseem, Jong Chul Ye

Fractional learning algorithms are trending in signal processing and adaptive filtering recently.

AFP-SRC: Identification of Antifreeze Proteins Using Sparse Representation Classifier

1 code implementation11 Sep 2020 Shujaat Khan, Muhammad Usman, Abdul Wahab

In this research, we propose a computational framework for the prediction of AFPs which is essentially based on a sample-specific classification method using the sparse reconstruction.

Switchable Deep Beamformer

no code implementations31 Aug 2020 Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

Recent proposals of deep beamformers using deep neural networks have attracted significant attention as computational efficient alternatives to adaptive and compressive beamformers.

OT-driven Multi-Domain Unsupervised Ultrasound Image Artifact Removal using a Single CNN

no code implementations10 Jul 2020 Jaeyoung Huh, Shujaat Khan, Jong Chul Ye

Unfortunately, in the current deep learning approaches, a dedicated neural network should be trained with matched training data for each specific artifact type.

Multi-Kernel Fusion for RBF Neural Networks

1 code implementation6 Jul 2020 Syed Muhammad Atif, Shujaat Khan, Imran Naseem, Roberto Togneri, Mohammed Bennamoun

A simple yet effective architectural design of radial basis function neural networks (RBFNN) makes them amongst the most popular conventional neural networks.

Pushing the Limit of Unsupervised Learning for Ultrasound Image Artifact Removal

no code implementations26 Jun 2020 Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

Experimental results for various tasks such as deconvolution, speckle removal, limited data artifact removal, etc.

E3-targetPred: Prediction of E3-Target Proteins Using Deep Latent Space Encoding

1 code implementation26 Jun 2020 Seongyong Park, Shujaat Khan, Abdul Wahab

Understanding E3 ligase and target substrate interactions are important for cell biology and therapeutic development.

Chaotic Time Series Prediction using Spatio-Temporal RBF Neural Networks

no code implementations17 Aug 2019 Alishba Sadiq, Muhammad Sohail Ibrahim, Muhammad Usman, Muhammad Zubair, Shujaat Khan

The proposed RBF architecture is explored for the prediction of Mackey-Glass time series and results are compared with the standard RBF.

Time Series Time Series Prediction

Spatio-Temporal RBF Neural Networks

no code implementations4 Aug 2019 Shujaat Khan, Jawwad Ahmad, Alishba Sadiq, Imran Naseem, Muhammad Moinuddin

Herein, we propose a spatio-temporal extension of RBFNN for nonlinear system identification problem.

Adaptive and Compressive Beamforming Using Deep Learning for Medical Ultrasound

no code implementations24 Jul 2019 Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

In ultrasound (US) imaging, various types of adaptive beamforming techniques have been investigated to improve the resolution and contrast-to-noise ratio of the delay and sum (DAS) beamformers.

A Novel Adaptive Kernel for the RBF Neural Networks

no code implementations9 May 2019 Shujaat Khan, Imran Naseem, Roberto Togneri, Mohammed Bennamoun

In this paper, we propose a novel adaptive kernel for the radial basis function (RBF) neural networks.

General Classification

Deep Learning-based Universal Beamformer for Ultrasound Imaging

no code implementations5 Apr 2019 Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

In ultrasound (US) imaging, individual channel RF measurements are back-propagated and accumulated to form an image after applying specific delays.

Universal Deep Beamformer for Variable Rate Ultrasound Imaging

1 code implementation7 Jan 2019 Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

In particular, we design an end-to-end deep learning framework that can directly process sub-sampled RF data acquired at different subsampling rate and detector configuration to generate high quality ultrasound images using a single beamformer.

q-LMF: Quantum Calculus-based Least Mean Fourth Algorithm

no code implementations4 Dec 2018 Alishba Sadiq, Muhammad Usman, Shujaat Khan, Imran Naseem, Muhammad Moinuddin, Ubaid M. Al-Saggaf

The proposed $q$-least mean fourth ($q$-LMF) is an extension of least mean fourth (LMF) algorithm and it is based on the $q$-calculus which is also known as Jackson derivative.

RAFP-Pred: Robust Prediction of Antifreeze Proteins using Localized Analysis of n-Peptide Compositions

no code implementations25 Sep 2018 Shujaat Khan, Imran Naseem, Roberto Togneri, Mohammed Bennamoun

In extreme cold weather, living organisms produce Antifreeze Proteins (AFPs) to counter the otherwise lethal intracellular formation of ice.

Specificity

Comments on "Momentum fractional LMS for power signal parameter estimation"

no code implementations19 May 2018 Shujaat Khan, Imran Naseem, Alishba Sadiq, Jawwad Ahmad, Muhammad Moinuddin

The purpose of this paper is to indicate that the recently proposed Momentum fractional least mean squares (mFLMS) algorithm has some serious flaws in its design and analysis.

Comments on "Design of fractional-order variants of complex LMS and NLMS algorithms for adaptive channel equalization"

1 code implementation26 Feb 2018 Shujaat Khan, Abdul Wahab, Imran Naseem, Muhammad Moinuddin

The purpose of this note is to highlight some critical flaws in recently proposed fractional-order variants of complex least mean square (CLMS) and normalized least mean square (NLMS) algorithms in "Design of Fractional-order Variants of Complex LMS and Normalized LMS Algorithms for Adaptive Channel Equalization" [Non-linear Dyn.

Optimization and Control

Efficient B-mode Ultrasound Image Reconstruction from Sub-sampled RF Data using Deep Learning

1 code implementation17 Dec 2017 Yeo Hun Yoon, Shujaat Khan, Jaeyoung Huh, Jong Chul Ye

In portable, three dimensional, and ultra-fast ultrasound imaging systems, there is an increasing demand for the reconstruction of high quality images from a limited number of radio-frequency (RF) measurements due to receiver (Rx) or transmit (Xmit) event sub-sampling.

Image Reconstruction

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