Automatic line erase tool and method

A non-transitory computer readable medium storing a program causing a computer to execute a method for removing extraneous information from a drawing of a device having at least one or more parts, the extraneous information comprising a lead line and a part number, said method comprising:

• (a) detecting a starting point of the lead line with respect to a bounding box of the part number and determining a general direction of said starting point with respect to said bounding box, wherein upon detection, said starting point is set as a current point;
• (b) performing linear regression analysis of dark pixels in an area covered by a mask centrally located at said current point to yield a slope of a linear regression line of dark pixels in said mask;
• (c) determining a next point based on said slope and said general direction;
• (d) updating said current point with said next point and repeating steps (b)-(c) until said current point is already said next point;
• and
• (e) removing the lead line based on a path traced by said starting point and current points.