Approximate and exact cone-beam reconstruction with standard and non-standard spiral scanning

G Wang, Y Ye, H Yu - Physics in medicine & biology, 2007 - iopscience.iop.org
The long object problem is practically important and theoretically challenging. To solve the
long object problem, spiral cone-beam CT was first proposed in 1991, and has been …

Cone-beam reconstruction using the backprojection of locally filtered projections

JD Pack, F Noo, R Clackdoyle - IEEE Transactions on Medical …, 2005 - ieeexplore.ieee.org
This paper describes a flexible new methodology for accurate cone beam reconstruction
with source positions on a curve (or set of curves). The inversion formulas employed by this …

[图书][B] Reconstructive integral geometry

V Palamodov - 2012 - books.google.com
One hundred years ago (1904) Hermann Minkowski [58] posed a problem: to re 2 construct
an even function I on the sphere 8 from knowledge of the integrals MI (C)= fc Ids over big …

Imaging system performing substantially exact reconstruction and using non-traditional trajectories

X Pan, Y Zou, L Yu, CM Kao, M King, M Giger… - US Patent …, 2008 - Google Patents
2009-02-11 Assigned to NATIONAL INSTITUTES OF HEALTH (NIH), US DEPT. OF HEALTH
AND HUMAN SERVICES (DHHS), US GOVERNMENT reassignment NATIONAL …

Determination of time-dependent coefficients for a hyperbolic inverse problem

R Salazar - Inverse Problems, 2013 - iopscience.iop.org
For the time-dependent vector and scalar potentials (A 0,..., A n) and V (t, x) respectively, the
inverse boundary value problem for the hyperbolic partial differential equation $({-}\mathrm …

Filtered Backprojection Algorithms Enable Linear Scanning Computed Tomography High-Quality Reconstruction with Large Extended FOVs

Z Wang, Z Deng, L Lin, S Li, S Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
For a linear scanning mode—multiple Source Translation Computed Tomography (mSTCT)—
when extending a large field-of-view (FOV) with a high geometry magnification, we propose …

Imaging system for generating a substantially exact reconstruction of a region of interest

Y Zou, XM Pan - US Patent 7,394,923, 2008 - Google Patents
A method and apparatus for reconstruction of a region of interest for an object is provided.
The reconstruction of the object may be based on chords which may fill a part, all, or more …

Local ROI reconstruction via generalized FBP and BPF algorithms along more flexible curves

H Yu, Y Ye, S Zhao, G Wang - International journal of …, 2006 - Wiley Online Library
We study the local region‐of‐interest (ROI) reconstruction problem, also referred to as the
local CT problem. Our scheme includes two steps:(a) the local truncated normal‐dose …

A filtered backprojection algorithm for triple-source helical cone-beam CT

J Zhao, Y Jin, Y Lu, G Wang - IEEE transactions on medical …, 2008 - ieeexplore.ieee.org
Multisource cone-beam computed tomography (CT) is an attractive approach of choice for
superior temporal resolution, which is critically important for cardiac imaging and contrast …

Volume image reconstruction from a straight-line source trajectory

EY Sidky, Y Zou, X Pan - IEEE Nuclear Science Symposium …, 2005 - ieeexplore.ieee.org
In cone-beam computed tomography (CT) it is theoretically possible to obtain exact volume
image reconstruction using an infinite line X-ray source trajectory. An approximate …