Information Technology Reference
In-Depth Information
Fig. 5.16 Switching of modes of the Belousov-Zhabotinsky medium by light irradiation
complex information into a time sequence of fragments of this information, such
that at each stage certain parts of fragments with the same blackening of the image
get detected. In other words, a Belousov-Zhabotinsky medium in an oscillatory
mode represents a natural realization of the space-time processor. This allows using
them for performing complex tasks of image processing.
Here are some examples.
A “latent image” is a piece of an image with the brightness only slightly different
from the brightness of the background picture. An example of such a situation is
shown in Fig.
5.17
. The difference in brightness between the image of the eagle and
the background (Fig.
5.17a
) constitutes 10 units of the HSB model in the Photoshop
software. A manifold increase in brightness and contrast of the image does not
significantly improve the situation (Fig.
5.17b
). At the same time the evolution of
the image in the Belousov-Zhabotinsky medium allows to detect the image of an
