1. A method for registering image data of a body, wherein the image data of the body are captured in a detection range and the body is subsequently shifted relative to the detection range or vice versa, comprising registering the image data from a detected position of a first marker array and a second marker array, the first marker array being arranged in a fixed positional relationship relative to the body, and the second marker array being arranged in a defined positional relationship relative to the detection range.