A method, apparatus and computer program stored on a non-volatile computer readable storage medium for confirming a pill in the mouth of a user. The computer program causing a general purpose computer to perform the steps of capturing one or more images of a user by an image capture device, confirming the position of the face of the user within the captured image by measuring a size of the face, and setting a predetermined portion of the face of the user to be a region of interest. An open mouth of the user is confirmed within the region of interest, and the open mouth of the user is classified as one of a mouth with a pill therein and a mouth without a pill therein.
