An image recognition unit of the present disclosure includes: a plurality of memory sections; a writing section that selectively writes a plurality of pieces of pixel data of a data map to the plurality of memory sections; and an arithmetic section that reads a plurality of pixel data sets from the plurality of memory sections, and determines whether an input image corresponding to the data map includes a recognition object, on a basis of the plurality of pixel data sets, the pixel data sets each including a predetermined number of pieces of pixel data.