TM
|
NSLS Brookhaven Illinois Argonne Berkeley Cornell Stanford SRC Madison NIST synchrotron light radiation Siemens GE Hitachi Rapiscan FEI Carl Zeiss Lawrence Livermore |
Image Acquisition, Reconstruction, and Presentation for 3-D Computer Tomography (CT) |
| electron beam failure analysis interventional angiography cryo em failure analysis interventional angiography TEM | numerical quantitative statistical quantum efficient diagnostic residuals Bayes Bayesian Kalman filter density estimates | x-ray failure analysis medical systems MRI SPECT microanalysis TEM medical systems technologies |
| SIRT ART MENT Maximum Entropy MAP Maximum A Posteriori ML Maximum Likelihood |
Cyber Technology, Inc. |
projection fast limited scan view reconstruction nonlinear iterative constrained inversion |
| matrix-based relaxation system | transmission electron beam nde ndi inspection missing wedge | cardiac cardiovascular electron microscopy dose reduction optimization clinical radiology ct scan |
|
|
|
Applications of High Efficiency Computer Tomography (HECT) ™ , 1 with Optimized Recursions (HECTOR) ™ , 2 |
|
|
|
|
Would you like to reduce projection count and exposure time? HECTOR is the Solution to Numerical and Quantum Efficiency in Tomography |
|
|
|
|
1, 2 Patents Pending (PCT/US-2009-0324047-A1, US-2010-0278413-A1, and others) |
|
|
|
|
For a free evaluation of HECTOR with your data please contact us. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
HECTOR for HAADF-STEM Imaging with 71 projections and 2 iterations. Top vs. bottom row: two near-orthogonal views of ErSi2 catalyst. Columns from left to right: (a) original projections; (b) re-projection of estimated object density; (c) residual error; and (d) optimizing gain relaxation matrix. |
|
|||
|
|
|
|
|
|
|
|
|
Numerical Coronary Tree Model (Simulation) with Stenotic Plaque |
Stenosis of
the Tree Model with
HECT from Six Projections |
Hydraulic Coronary Model
with HECT from Six Projections |
Hydraulic Coronary Model with HECT from Six Projections |
|
|
|
Canine Myocardial Blush over 1.5 Beats
from Six Projective Cone Beam Views (X-Rays, HECT) |
Slice from Transmission Electron Microscopy (HECT) |
Diagnostic Projection Residuals:
Left: SIRT 15 iterations, Right: HECT 1 iteration for Noisy Cube Challenge Data Set |
HECT of Noisy Cube
Challenge Data Set |
|
|
|
|
|
|
|
|
|
|
|
|
Public | Contact | Research | Downloads | Site Map |
|