Electronic device, electronic device operating method, and computer readable recording medium recording the method

An electronic device comprising:

• a memory configured to store a digital image;
• and
• a processor configured to process the digital image, wherein the processor is configured to detect a plurality of feature points in at least a partial region in the digital image;
• select at least two feature points from the detected plurality of feature points;
• determine whether there is a probability that an object existing in at least one of a plurality of reference images exists in the digital image, by using at least a portion of the at least two feature points;
• and determine a pose of the object after the possibility that the object exists in the digital image is determined.