A non-transitory computer readable storage medium storing a program for causing a computer to perform an image processing method, the image processing method comprising:
- an acquisition step of acquiring image data by capturing printed matter, wherein first information and second information, indicating a type of the first information, are embedded in the printed matter as an electronic watermark;
- an extraction step of extracting the first information and the second information from the image data acquired at the acquisition step;
- and
- a processing step of processing the extracted first information by different processing methods in accordance with the extracted second information, wherein, based on that the type of the first information indicated by the second information is a predetermined type, the extracted first information is processed at the processing step, by a predetermined processing method for access to an external devise using the extracted first information and display of a web page based on the access.