An image processing apparatus includes: an obtaining unit configured to obtain an imprint image where an imprint is captured, the imprint having code information added to a frame portion; an identifying unit configured to identify a frame image area as a read area where the code information is read, the frame image area corresponding to an imprint of the frame portion in the imprint image obtained by the obtaining unit; and a reading unit configured to read the code information from the read area identified by the identifying unit.