3. EXPERIMENTAL RESULTS
The tracking results obtained from the tested movies (Fig. 8) prove
that the developed techniques and software are capable of reliable measuring
the fetal movement parameters. The results imply the following distinctive
features of the developed system:
-
The developed system is robust to speckle noise;
-
The tracking procedure is robust to slow changes of organ throughout the
movie;
-
The organ detection is robust to cluttered background.
The accuracy of the developed system was estimated by comparison of the
movement parameters results obtained with the system to the parameters
measured manually. For the tested movie, the accuracy is found to be higher
than 99%. The developed tracking system is applicable also for non-US images
(Fig. 9).
'
Fig. 8. Illustration of tracking fetal head in US images
sequence
'
Fig. 9. Tracking the head of an infant in TV image sequence
'
Full lengh movies can be download:
-
fetal head in US images sequence (Fig.8) - "fetus.avi"
(246Kb);
-
head of an infant in TV image sequence (Fig.9) - "infant.avi"
(470Kb).
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