Ultrasound tomography hardware system for multiphase flow imaging

NA Zulkiflli, S Ibrahim, MHF Rahiman… - … on Signal and …, 2019 - ieeexplore.ieee.org
This paper presents the development of an ultrasonic tomography system for multiphase
flow imaging. Ultrasonic tomography (UT) modality has a hard-field sensing principle which …

Image reconstruction from finite number of projections: Method of transferring geometry

AM Grigoryan - IEEE transactions on image processing, 2013 - ieeexplore.ieee.org
This paper introduces a novel method of image reconstruction from a finite number of
projections by processing the image along parallel rays. The geometry from the image plane …

Reconstruction From Limited-Angle Projections Based on Spectrum Analysis

J Luo, W Li, Y Zhu - IEEE transactions on image processing, 2009 - ieeexplore.ieee.org
This paper proposes a sparse representation of an image using discrete δ-u functions. A δ-u
function is defined as the product of a Kronecker delta function and a step function. Based …

Solution of the problem on image reconstruction in computed tomography

AM Grigoryan - Journal of Mathematical Imaging and Vision, 2016 - Springer
This paper describes a new solution of the problem of two-dimensional (2-D) image f (x, y)
reconstruction from a finite number of line-integrals. The reconstruction is a discrete image f …

Four projections CMOS linear image sensor tomographic image reconstruction

N Ramli, SSM Sobani - Jurnal Teknologi, 2013 - journals.utm.my
This study focused on developing software for image reconstruction system of optical image
data obtained from four projections of CMOS linear image sensors by using MATLAB. Four …

A note on exact image reconstruction from a limited number of projections

GT Herman - Journal of visual communication and image …, 2009 - Elsevier
In a recent paper in this journal by Kesidis and Papamarkos “A new method for the exact
reconstruction of any gray-scale image from its projections is proposed.” In this note we point …

Fast real-time image reconstruction with helical cone-beam ART

Z Xue, L Zhang, J Pan - 2010 International Conference on …, 2010 - ieeexplore.ieee.org
A method that can fast, real-time get the projection matrix in ART reconstruction is proposed
based on helical cone-beam CT trajectory in this paper. For a given ray this method can …

[PDF][PDF] Fraud and Tamper Detection in Authenticity Verification through Gradient Based Image Reconstruction Technique for Security Systems

S Sharma, P Tuli - IOSR Journal of Computer Engineering (IOSRJCE) … - academia.edu
Authenticity verification for security systems is a very important research problem with
respect to information security. One of the principal problems in image forensics is …

[PDF][PDF] Design of Classifier for Detecting Image Tampering Using Gradient Based Image Reconstruction Technique

S Sharma, P Tuli - International Journal Of Computational Engineering …, 2012 - Citeseer
Image tampering detection is a significant multimedia forensics topic which involves,
assessing the authenticity or not of a digital image. Information integrity is fundamental in a …

[PDF][PDF] Image Reconstruction from Projections using Triangular Linear System of Equations

J Jose, VK Govindan - International Journal of Engineering …, 2014 - academia.edu
In computed tomography, projections of an image are used to reconstruct that image. In this
paper, a new method, which makes use of non-iterative algebraic approach, is proposed …