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The measuring of wheel set geometrical profile is important for the train vehicle running safety. Using light shot digital image processing method to detect wheel profile parameters is becoming the mainstream technology. The precision of measurement, however, is influenced by the sand sprinklers on bogies. The laser lights would be overshadowed by sand sprinklers, which will influence the classification...
It is argued that for the computer to be able to interact with humans, it needs to have human communication skills. One of these skills is the ability to understand the emotional state of human. This paper describes neural network based approaches for emotion classification. We learn a classifier that can recognize 6 basic emotions with an average accuracy of 83% over the Cohn-Kanade database. The...
Nowadays, there are few international databases based on authentic gesture. Most of the facial expression databases are not naturally linked to the emotional state of the test subjects. In this work, we expand the authentic emotion database created in 2003 by adding more subjects. Meanwhile we combine evolutionary algorithms with neural networks and well improve the recognition rate. We also implement...
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