Patent ID: 8199208

Claim:
An operation input apparatus comprising: body portion detection means for receiving image data obtained by image capturing and detecting a certain body portion of a photographic subject in an image corresponding to the image data; state determination means for determining a certain state corresponding to a priority-level setting condition, when a plurality of body portions are detected using the body portion detection means, for each body portion, the state determination means determines subject distances between the apparatus and each individual body portion; priority-level setting means for setting priority levels to the individual body portions in accordance with results of the determination performed by the state determination means, the priority-level setting means sets priority levels for individual body portions in accordance with the subject distances between the apparatus and each individual body portion; operation determination means for determining whether the body portions detected by the body portion detection means performed a predetermined motion corresponding to a certain operation in accordance with determination allowance degrees of the body portions serving as determination subjects which are set in accordance with the priority levels; and control means for controlling the operation input apparatus so that the operation input apparatus performs a predetermined operation in accordance with the determination that the certain motion corresponding to the certain operation has been performed which is made by the operation determination means.