Abstract: An image processing unit of an image processing apparatus includes: a pixel value acquiring part that acquires pixel values of new pixels obtained by increasing resolution of a first image, using pixel values of multiple original pixels, of the first image, around a position at which each of the new pixels is disposed; a representative value acquiring part that acquires a representative value of the pixel values of the multiple new pixels arranged in an area in which each of the original pixels is disposed; a correction value acquiring part that acquires a correction value using the pixel value of each of the original pixels and the representative value; and a pixel value correcting part that corrects the pixel value of each of the original pixels using the correction value. The image processing unit performs correction processing for correcting the original pixels is repeated once or at least twice.

Abstract: An image processing unit of an image processing apparatus includes: a pixel value acquiring part that acquires pixel values of new pixels obtained by increasing resolution of a first image, using pixel values of multiple original pixels, of the first image, around a position at which each of the new pixels is disposed; a representative value acquiring part that acquires a representative value of the pixel values of the multiple new pixels arranged in an area in which each of the original pixels is disposed; a correction value acquiring part that acquires a correction value using the pixel value of each of the original pixels and the representative value; and a pixel value correcting part that corrects the pixel value of each of the original pixels using the correction value. The image processing unit performs correction processing for correcting the original pixels is repeated once or at least twice.

Abstract: An image processing apparatus includes: a region-of-interest setting information storage unit in which region-of-interest setting information for setting one or more regions of interest in a specified cross-sectional image is stored; an evaluation value acquiring unit that acquires, using measured values, an evaluation value for evaluating a region of interest in the specified cross-sectional image, for each region of interest indicated by the region-of-interest setting information, and acquires, using measured values, a related evaluation value for evaluating a region in one or more cross-sectional images other than the specified cross-sectional image, for each region corresponding to each region of interest indicated by the region-of-interest setting information; and an output unit that outputs the acquired evaluation value and related evaluation value in association with the specified cross-sectional image corresponding to the evaluation value and the cross-sectional image corresponding to the related eval

Abstract: A cerebral blood flow rate quantification device includes: a nuclear medicine image acquisition unit for acquiring a nuclear medicine image of the head of a subject administered with a radiopharmaceutical; a count calculation unit for calculating the number of counts obtained from a unit region; a cerebral blood flow rate calculation unit for calculating the value of a cerebral blood flow rate that makes the value of a function, which expresses the concentration of the radiopharmaceutical in brain tissue; and a cerebral blood flow map generation unit for generating a map showing cerebral blood flow based on the cerebral blood flow rate in each unit region. Consequently, the cerebral blood flow rate can be accurately quantified even at a relatively early stage after administration of a radiopharmaceutical.