National Repository of Grey Literature 29 records found  previous11 - 20next  jump to record: Search took 0.00 seconds. 
Diagnostické vyhodnocování screeningových mamogramů pomocí lokálních texturních modelů
Grim, Jiří ; Somol, Petr
We propose statistically based preprocessing of screening mammograms with the aim to emphasize suspicious areas. We estimate the local statistical texture model of a single mammogram in the form of multivariate Gaussian mixture. The probability density is estimated from the data obtained by pixelwise scanning of the mammogram with the search window. In the second phase, we evaluate the estimated density at each position of the window and display the corresponding log-likelihood value as a gray level at the window center. Light gray levels correspond to the typical parts of the image and the dark values reflect unusual places. The resulting log-likelihood image exactly correlates with the structural details of the original mammogram, emphasizes locations of similar properties by contour lines and may provide additional information to facilitate diagnostic interpretation.

National Repository of Grey Literature : 29 records found   previous11 - 20next  jump to record:
See also: similar author names
10 Grim, Jakub
1 Grim, Jan
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