A control method for an electronic device includes displaying a video in a first area of a display; identifying a writing area, including at least one piece of writing information, from the video displayed in the first area; acquiring a first image corresponding to the identified writing area, so as to display the first image in a second area of the display; based on a change being detected in the at least one writing information, identifying a type of the change; and acquiring a second image formed by correcting a first image based on the type of the identified change, so as to display the second image in the second area.