An information processing apparatus is disclosed, including: a reading part reading vector information included in an electronic file; a first line segment extraction part extracting line segment parameter information of a line object from the vector information; a second line segment extraction part extracting polygon parameter information of a polygon object from the vector information and extracting the line segment parameter information of line segments forming the polygon object from the extracted polygon parameter information; a rectangle extraction part extracting rectangle parameter information based on the line segment parameter; a minimum rectangle determination part determining whether or not a rectangle formed based on the rectangle parameter information is a minimum rectangle which does not connote other rectangles; and a minimum rectangle output part outputting the minimum rectangle.