Fuente: Wipo "digitalization" An imaging device includes: a plurality of pixels arranged to form rows and columns and each configured to output a signal in accordance with an incident light, a plurality of column signal processing units provided in association with the columns and each having an A/D conversion unit that performs A/D conversion on a signal output from the pixels arranged on a corresponding column, a plurality of memory units provided in association with the columns and each having a memory that holds digital data output from the column signal processing unit of a corresponding column, a transfer unit that sequentially outputs the digital data held in each of the plurality of memory units to a common output line, and a bit value inversion unit that inverts a value of a bit of one of first and second digital data sequentially output to the common output line.