IMAGE PROCESSING APPARATUS, CONTROL METHOD FOR THE SAME, IMAGE PROCESSING SYSTEM, AND PROGRAM

An image processing apparatus includes an obtaining unit obtaining data of an image of an object and data of a plurality of annotations attached to the image, an input unit receiving a designation of a display magnification for enlarging or reducing the image, and a generation unit generating display data with which the annotations are displayed in such a way as to be superimposed on the image enlarged at the designated display magnification, wherein the data of the plurality of annotations includes position information indicating a position in the image at which each annotation is attached and information about the display magnification of the image at the time of attachment of each annotation, and the generation unit generates display data with which display modes of annotations are made different between annotations of which the display magnifications of the image at the time of attachment thereof are different.