Patent ID: 8675089
Filing Date: 2014-03-18
Classification: H04N

Abstract:
1. A photographing apparatus comprising: an auxiliary line display unit that displays auxiliary lines comprising at least one of at least one vertical line movable in a horizontal direction within a screen and at least one horizontal line movable in a vertical direction within the screen; an edge extracting unit that extracts an edge of an object image from image data obtained by photographing an object; a straight line detecting unit that detects at least one straight line portion from the extracted edge; a target extracting unit that extracts a target straight line portion from the detected at least one straight line portion, according to at least one of an inclination and a length of the detected at least one straight line portion; and a distance calculating unit that calculates a distance between the extracted target straight line portion and at least one of the vertical line and the horizontal line, wherein the auxiliary line display unit moves at least one of the vertical line and the horizontal line towards the target straight line portion based on the calculated distance between the target straight line portion and the at least one of the vertical line and the horizontal line.