| 摘要 |
PROBLEM TO BE SOLVED: To prevent a word that is unconsciously spoken or accidentally spoken by an operator during a conversation with another person from being recognized as a control command.SOLUTION: A use state of an ultrasonic probe 4 is determined, and the operator is recognized on the basis of image data obtained by photographing an inspection space with a camera 61 to calculate a distance L between the operator and a monitor 3. In the case that the ultrasonic probe 4 is currently used and that the distance L is equal to or more than a preset distance, a reception condition of a gesture and voice input is determined to be satisfied to set an input reception mode for gesture and voice, and a recognition result of a gesture or a voice inputted in this state is received as input operation information. |
