Abstract: The invention relates to the optical detection of symbols (4) displayed on a display (2), wherein image data which contains a representation of the display (2) is obtained, comprising the steps: detection (29, 30) of a display area of the display (2) in the obtained image data; preparation (32) of the image data representing the detected display area; performing an optical symbol detection (34, 35) by using the prepared image data; and storing the symbols detected during the optical symbol detection (34, 35) in a memory (13).
Abstract: The invention relates to the optical detection of symbols (4) displayed on a display (2), wherein image data which contains a representation of the display (2) is obtained, comprising the steps: detection (29, 30) of a display area of the display (2) in the obtained image data; preparation (32) of the image data representing the detected display area; performing an optical symbol detection (34, 35) by using the prepared image data; and storing the symbols detected during the optical symbol detection (34, 35) in a memory (13).