DISPOSITIF D'AIDE À L'INSPECTION DE MÉDICAMENT, DISPOSITIF D'IDENTIFICATION DE MÉDICAMENT, DISPOSITIF DE TRAITEMENT D'IMAGE, PROCÉDÉ DE TRAITEMENT D'IMAGE ET PROGRAMME
A drug inspection assistance device, a drug identification device, an image processing device, an image processing method, and a program are provided in which information such as a pattern, a scar and the like on a surface of a drug which are other than an engraved mark and are smaller than a width of a groove of the engraved mark, are reduced to accurately extract the engraved mark. The problem is solved by an image processing device, including: an obtaining unit configured to obtain a plurality of images of a drug having an engraved mark on a surface of the drug, with emitting directions of light to the surface different from each other； an edge image generating unit configured to apply respectively to the plurality of images, edge extracting filters in directions in conformity with the emitting directions, the edge extracting filters having a size in conformity with a width of a groove of the engraved mark, and generate a plurality of edge images； and an image composing unit configured to compose the plurality of edge images and generate a composite image.
