An eye-gaze-detection apparatus includes an image acquisition unit that acquires a face image of a user from an imaging apparatus, the face image being captured by the imaging apparatus； a feature-quantity extraction unit that extracts a feature quantity of the face image； an eye-gaze-calculation-determination unit that determines whether or not an eye-gaze calculation process is performed by referring to a rule database, based on the feature quantity extracted by the feature quantity extraction unit, the rule database storing a rule set associating a condition including the feature quantity of the face image with information indicating whether or not the eye gaze calculation process is performed； and an eye-gaze-calculation unit that performs the eye-gaze-calculation process for the user, based on the feature quantity of the face image acquired by the image acquisition unit, when the eye-gaze-calculation-determination unit determines that the eye-gaze-calculation process is performed.
