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EnglishIn this paper a linear transformation, the spiral method, is introduced; this transformation maps an image represented in a 3-D space into a signal in a 2-D space. Some features of the spiral are presented: for instance the topologic information of the objects in the image, their contours, areas and the shape of the objects themselves, Two different case-study are presented: the use of spiral method in order to evaluate the number, the size, the shape and the location of the microcalcifications by the use of signals related to the mammograms; entropy is proposed as a measure of the degree of the parenchyma disorder of the mammograms and its use for a system CAD. © Springer-Verlag Berlin Heidelberg 2005.
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| Titolo: | The Spiral Method applied to the Study of the Microcalcifications in Mammograms |
| Autori: | |
| Data di pubblicazione: | 2005 |
| Rivista: | |
| Abstract: | In this paper a linear transformation, the spiral method, is introduced; this transformation maps an image represented in a 3-D space into a signal in a 2-D space. Some features of the spiral are presented: for instance the topologic information of the objects in the image, their contours, areas and the shape of the objects themselves, Two different case-study are presented: the use of spiral method in order to evaluate the number, the size, the shape and the location of the microcalcifications by the use of signals related to the mammograms; entropy is proposed as a measure of the degree of the parenchyma disorder of the mammograms and its use for a system CAD. © Springer-Verlag Berlin Heidelberg 2005. |
| Handle: | http://hdl.handle.net/11584/22552 |
| ISBN: | 3540288694 978-354028869-5 |
| Tipologia: | 4.1 Contributo in Atti di convegno |
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