Intensity texture based classification system and method

Details Intensity texture based classification system and method Intensity texture based classification system and method

G - Physics

06

K

G06K 9/00 (2006.01) G06T 7/00 (2006.01) G06T 7/40 (2006.01)

Patent

CA 2191599

A method for classifying objects within a specimen as likely to be premalignant or malignant cells includes the steps of forming an intensity image (20) of a specimen, calculating and storing the maximum and minimum grey scale values at a plural number of distances from a pixel in the intensity image, finding the difference between the maximum and the minimum grey scale values at like distances from the pixel, determining the slope of the log of the differences as a function of the log of the distances, storing the slope at the pixel location in a resultant image (24), and identifying objects in the intensity image as likely to be malignant or premalignant based on the value of the slope (22).

Procédé de classement d'objets situés dans un spécimen et susceptibles de correspondre à des cellules précancéreuses ou malignes, comprenant les étapes consistant à former une image (20) d'intensité d'un spécimen, à calculer et à mémoriser les valeurs maximum et minimum d'échelle de gris à un nombre multiple de distances à partir d'un pixel de l'image d'intensité, à trouver la différence entre ces valeurs maximum et minimum à des distances semblables du pixel, à déterminer la pente du logarithme des différences en tant que fonction du logarithme des distances, à mémoriser cette pente au niveau de l'emplacement du pixel dans une image (24) résultante puis à identifier les objets dans l'image d'intensité susceptibles d'être précancéreux ou malins d'après la valeur de la pente (22).

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