1. An eye gaze detection device comprising: a memory configured to store position information regarding object positions where objects being displayed are located; and a processor coupled to the memory and configured to: specify a plurality of eye gaze positions regarding a subject captured in each of a plurality of images, determine a first object from among the objects in accordance with at least a part of the plurality of eye gaze positions and the position information, and calculate a correction value based on both a first object position regarding the first object and a location representing first eye gaze positions included in the plurality of eye gaze positions, the correction value causing the location to match the first object position, wherein the processor is configured to identify each of eye gaze vectors from each of the plurality of images, and calculates the plurality of eye gaze positions in accordance with each of the eye gaze vectors, the plurality of eye gaze positions being with reference to a virtual space where the objects are located, and the virtual space includes the object positions of the objects indicated by the position information.