Machine learning and pattern recognition

Thursday, October 18th, 2012 at 00:00  

…entirely deals with computer implementations. But there is an essential difference in focus. For ML the computer is the target, for PR it is a necessary mean. The target of…

Hughes phenomenon

Monday, March 18th, 2013 at 00:00  

…this, also the probability can be computed that a cell is assigned to the wrong class. This results in an expected classification error for a given problem, i.e. integrated over…

The role of densities in pattern classification

Wednesday, October 14th, 2015 at 12:29  

…of pattern recognition is that is has this very clear performance measure. It can be used to judge students in the field, to compare procedures and to organize competitions. Just…

Plato and Aristotle

Wednesday, September 12th, 2012 at 00:00  

…of the esoteric schools. He was Plato’s student, but developed his own philosophy that starts with the physical observations. His struggle is to combine these observations and to generalize them…

Features need statistics, as they reduce

Monday, October 22nd, 2012 at 00:00  

…well for this problem. Classes are compact and there is a somewhat empty space between them. There is however an area for which the two classes overlap. Any classifier constructed…

The error in the error

Tuesday, July 23rd, 2013 at 15:07  

…How large is the classification error? What is the performance of the recognition system? At the end this is the main question, in applications, in proposing novelties, in comparative…

Non-metric dissimilarities are all around

Monday, March 4th, 2013 at 00:00  

…measures. More specifically, it can handle non-metric measures as well. Here, we will show common examples that such dissimilarities arise easily, both, in daily life as well as in science….

What is the core business of pattern recognition?

Friday, September 7th, 2012 at 00:00  

…events in our life we should start with comparing them. What are the similar ones? Which one are different? In order to do this properly we should first bring them…

The recognition task

Monday, October 29th, 2012 at 00:00  

…he is given exactly the same observation, e.g. the same picture. Only for complicated and ill defined patterns like lung x-ray images or microscope pictures of tissues an experienced observer…

Representation and generalization

Friday, November 2nd, 2012 at 00:00  

…they come from the same production process or when they are twins, they differ. It may take some inspection before we have found the difference. Nevertheless, in spite of the…

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