A system for presenting video signals related to a marker image on a surface of a sports ball structured by a plurality of panels includes a computing device having a camera, and a server linked to the computing device via internet, the server being arranged to store the video signals related to the maker image, wherein programs running on the computing device includes the steps to obtain the maker images captured by the camera, extract a digital watermark embedded from the marker image, the digital watermark being positioned on a part of a curved surface of the plurality of panels formed by sewing, access the server to search the video signals corresponding to information in the digital watermark, receive the video signals from the server; and display the received video signals on the display in the computing device.