An image processing apparatus includes: an image display control unit controlling an image display on a display screen; an image generating unit generating a question image including a question and option buttons configured by icons that can be arbitrarily selected for the question; a position detecting unit detecting a position of a pointer present on the display screen from imaging data acquired by imaging the display screen; a position information storing unit storing positions of the icons when the question image is displayed on the display screen; and a control unit specifying an icon out of the icons selected by the pointer based on the position of the pointer and calibrating the position of the pointer based on the position of the icon, which is stored in the position information storing unit, corresponding to the icon specified to have been selected.