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The images below illustrate Mira's
MaxEnt software applied to an inherently fuzzy image produced by Neutron
Scattering Radiography. One distinction of neutron imaging is that
neutrons are not affected by an electric field, so they penetrate far
deeper through a conductor such as metal, while being highly
attenuated by low-Z atoms and materials such as water. In contrast
with X-ray images, neutron images are not sharply focused and require
software processing to restore detail. The pictures below show how
Mira's MaxEnt module is used to improve the spatial resolution of
neutron radiographs. The same technique can be applied to other
imaging applications.
-- images courtesy Dr. Burkhard Schillinger,
Technical University, Munich. |
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Original Image
What familiar object is shown in this picture?
Answer: The internal details of a
floppy disk drive, as imaged using Neutron Radiography.
Neutrons supplied by a nuclear reactor are used like traditional X-rays to provide an internal view of
this metal shrouded object. But unlike X-rays, the neutron beam is not
sharply focused and there is an inherent fuzziness to the process. How
can we get a sharper view?
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MaxEnt Processed Image
If you've taken apart a
floppy disk drive, this view probably looks familiar. In this processed
image, there is an increase
in overall sharpness, but there also appear new details you don't see in the original image.
And they are real.
Solder pads, traces, and IC sockets on the circuit board become clearly visible after MaxEnt processing, yet are virtually invisible in the
original image. |
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