IMAGE ANALYSIS DEVICE, IMAGE ANALYSIS METHOD AND STORAGE MEDIUM STORING IMAGE ANALYSIS PROGRAM

A drawing image according to drawing data is inputted to an image analysis device. The image analysis device includes a similar image searching unit, an image correspondence detection unit, an attribute output unit, and a knowledge database. The similar image searching unit searches the knowledge database for a drawing image similar to the input drawing image. The image correspondence detection unit detects which of objects and/or their components shown in a drawing image corresponds to which of objects and/or their components shown in the drawing image retrieved by the similar image searching unit. The attribute output unit extracts attribute information of a corresponding point detected by the image correspondence detection unit from the knowledge database to output it as the attribute information of the drawing image.