Abstract
The characterization techniques of forms can be usually classified grosso modo between global and local techniques. The complexity of the images to be analized imposes strong limitations to the freedom of choice about the model of description to be used. So the global techniques are used in enviroments where the objects to be classified are simple in nature and do not overlap. On the other side, the employement of local techniques is required as the starting point for the description of more complex scenes, linking this local characterization to some process of structural inference. When some measures, obtained from the raw data, are used in the description we find a set of techniques which can be grouped under the term of transformed representations. They all have in common the ability to reduce the amount of data to be analized without degrading substantially the semantics of the image.
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Cabrera, J., Falcón, A., Hernández, F.M., Méndez, J. (1991). An Experimental Approach to The Description of Contour Segments using the Fourier-Bessel Transform. In: Jackson, M.C., Mansell, G.J., Flood, R.L., Blackham, R.B., Probert, S.V.E. (eds) Systems Thinking in Europe. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3748-9_30
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DOI: https://doi.org/10.1007/978-1-4615-3748-9_30
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