Electronic apparatus, control method thereof and eletronic system

An electronic system comprising:

• a server;
• and
• an electronic apparatus configured to:
• identify a plurality of objects in a first frame among a plurality of frames included multimedia data received from an external apparatus;
• obtain content information corresponding to the first frame among the plurality of objects;
• obtain a first fingerprint based on the first frame;
• and
• transmit the content information and the first fingerprint to the server, wherein the server is configured to:
• receive the content information and the first fingerprint from the electronic apparatus;
• and
• map the first fingerprint with a content corresponding to the content information among a plurality of pre-stored contents and store the first fingerprint.

A method of controlling an electronic apparatus comprising:

• receiving multimedia data from an external apparatus;
• identifying a plurality of objects in a first frame among a plurality of frames included in the multimedia data;
• obtaining content information corresponding to the plurality of objects in the first frame;
• obtaining a first fingerprint based on the first frame;
• and
• transmitting the content information and the first fingerprint to a server.