Patent Document ID: 9213894
Application ID: 14036165
Patent Status: 1

Claim One:
1. An image evaluation device comprising: a storage unit that stores sample image data that represent a virtual sample image simulating a sample image included in a sample printout that is recognized as a non-defective printout; a reading unit that reads an inspection object image included in an inspection object printout obtained by printing an image corresponding to the sample image on a recording medium by a printing device using image data representing the image; an extraction unit that extracts a line defect including a linear pattern formed in a specific direction from the inspection object image represented by inspection object image data, based on a difference value between the sample image data and the inspection object image data; and an evaluation unit that evaluates a visibility of the line defect extracted by the extraction unit, wherein the reading unit reads the inspection object image with a resolution of the inspection object image in the specific direction that is lower than a resolution of the inspection object image in a direction crossing the specific direction, and wherein the extraction unit extracts the line defect from the inspection object image after adjusting the resolution in the specific direction of the inspection object image represented by the inspection object image data to be the same as the resolution in the direction crossing the specific direction.