There is provided an information processing device including a detection unit for detecting a state of a manipulating body in a manipulation area, a state judgment unit for judging whether the manipulating body is in an input state in which a given input manipulation process is executed according to input information input by the manipulating body or in a standby state in which the input manipulation process is not executed, based on the detection result of the detection unit, and an execution process determination unit for determining a process to be executed from a plurality of processes including the input manipulation process based on the state judged by the state judgment unit or a change of the state.