Programmable display apparatus, control method, and program

A control method for controlling a programmable display apparatus controlling access to an application, comprising:

• displaying an operation screen on a display;
• performing facial authentication based on image data of a subject obtained through image capture of the subject including a plurality of users, and based on pre-stored feature data indicating a feature of a face of a user;
• identifying the user when the facial authentication is successful;
• permitting access to the application if the user has been identified through the facial authentication;
• storing, into a memory, identification information of the identified user and a history indicating permission of the access, the identification information and the history stored in the memory in association with each other;
• and
• identifying a direction of a line of sight of the face if image data of the face is included in the image data of the subject obtained through the image capture while the user is permitted to access the application;
• and
• determining, based on the image capture of the subject including the plurality of users, whether or not a facial region included in the subject is larger than a predetermined size so as to determine that the subject is foremost in the image data among the plurality of users,
• wherein
• displaying a predetermined image on the operational screen of the display if a predetermined event has occurred,
• storing, into the memory, a direction of the line of sight at a time that the predetermined event occurred in association with the event to confirm that the user was looking at the operational screen at the time that the predetermined event occurred,
• if the image data that has been obtained through the image capture shows the plurality of users, the facial authentication is performed for each of the plurality of users, and at least identification information of the subject from among the plurality of users with the largest size is transmitted for permitting access, and
• permitting the access to the application if the user has been identified through the facial authentication comprises permitting the access to the application on a condition that the facial region has been determined to be larger than the predetermined size.

A non-transitory processor-readable storage medium storing a program for controlling a programmable display apparatus controlling access to an application, the program causing a processor of the programmable display apparatus to perform operations comprising:

• displaying an operation screen on a display;
• performing facial authentication based on image data of a subject obtained through image capture of the subject among a plurality of users, and based on stored feature data indicating a feature of a face of a user;
• identifying the user when the facial authentication is successful;
• permitting access to the application if the user has been identified through the facial authentication;
• storing, into a memory, identification information of the identified user and a history indicating permission of the access, the identification information and the history stored in the memory in association with each other;
• identifying a direction of a line of sight of the face if image data of the face is included in the image data of the subject obtained through the image capture while the user is permitted to access the application;
• and
• determining, based on the image capture of the subject among the plurality of users, whether or not a facial region included in the subject is larger than a predetermined size so as to determine that the subject is foremost in the image data among the plurality of users,
• wherein the program causes the processor of the programmable display apparatus to perform operations such that:
• displaying a predetermined image on the operational screen of the display if a predetermined event has occurred,
• storing, into the memory, a direction of the line of sight at a time that the predetermined event occurred in association with the event to confirm that the user was looking at the operational screen at the time that the predetermined event occurred,
• if the image data that has been obtained through the image capture shows the plurality of users, the facial authentication is performed for each of the plurality of users, and at least identification information of the subject from among the plurality of users with the largest size is transmitted for permitting access, and
• permitting the access to the application if the user has been identified through the facial authentication comprises permitting the access to the application on a condition that the facial region has been determined to be larger than the predetermined size.