1. An apparatus for setting a device configuration parameter of setting a device: an image inputting unit configured to input a face image of the user; an extracting unit configured to extract personal feature data from the face image; a dictionary storage configured to store personal dictionary data of one or a plurality of registered persons, the personal dictionary data including a face image and a dictionary feature data of the each registered person; a face identification processor configured to identify a person matching the personal feature data, by comparing the personal feature data and the personal dictionary data of the each registered person; a device configuration parameter storage configured to store a device configuration parameter of the device for the each registered person; a display configured to display the face image of the identified person stored in the dictionary storage; an interactive processor configured to receive, from the user, confirmation information to confirm whether or not the displayed face image is identical to the user; and a device setting unit configured to set, to the device, the device configuration parameter of the confirmed person stored in the device configuration parameter storage; an integration unit that is configured: to obtain a similarity between plural ones of the personal dictionary data stored in the dictionary storage; to call the device configuration parameters corresponding to the plural ones of personal dictionary data having the similarity higher than a threshold, from the device configuration parameter storage; to compare similarities between the called device configuration parameters; and to integrate said plural ones of the personal dictionary data with each other when the similarities between the called device configuration parameters are higher than a threshold.