Patent ID: 7702158
Filing Date: 2010-04-20
Classification: G06T

Abstract:
1. An image processing apparatus comprising: an edge window setting unit for setting an edge window for detecting an edge of a workpiece; an element setting unit for selectively setting a plurality of window elements in the one edge window set by said edge window setting unit, such that the window elements are capable of mutually overlapping in the width direction of the edge window; an edge detection unit for scanning each of the window elements and obtaining edges for each window element; and a calculation unit for obtaining edge related information from the edges detected by said edge detection unit and for calculating width between the edges in a height direction in each of the window elements and for obtaining at least one of maximum width, minimum width, or average value in the width detected in each of said window elements, wherein said edge window set by the edge window setting unit has a height that is equal to the height of each of the plurality of window elements wherein said plurality of window elements has a width and there is a distance between the beginning of each of the said window elements, wherein said width or said distance are assigned automatically inside said edge window by specifying the number of window elements by the user.