A medical image processing apparatus according to the present invention is a medical image processing apparatus capable of performing image segmentation processing for a medical image including: a feature value calculating unit that calculates at least one feature value from the medical image a category setting unit that sets, on the basis of the feature value calculated by the feature value calculating unit, plural categories in the medical image a parameter setting unit that sets, on the basis of the feature value calculated by the feature value calculating unit, a parameter for each of areas of the medical image respectively classified into the categories set by the category setting unit and an image segmenting unit that performs the image segmentation processing for the medical image on the basis of a distribution model specified according to the number of categories set by the category setting unit and parameters set by the parameter setting unit.
