1. A printed material comprising: a first coded pattern of image identification information repeatedly formed on a recording material; and a second coded pattern of a coordinate value on the recording material recorded as a background image, wherein: the first coded pattern and the second coded pattern are provided to identify an image formed on the recording material; and the first coded pattern represents a second pattern value, on the basis of a value obtained by adding a third pattern value to a first pattern value, the third pattern value being obtained by encoding the coordinate value, the first pattern value being obtained by encoding the image identification information.