Device connection method, electronic device, and system

A device connection method, wherein the method is applied to a first electronic device, and the method comprises:

• detecting a first operation, and in response obtaining, through a camera, a plurality of frames of images displayed by a second electronic device, wherein digital watermark information is superimposed in the plurality of frames of images, and the digital watermark information comprises device identification information of the second electronic device;
• determining the digital watermark information in the plurality of frames of images;
• determining the device identification information of the second electronic device based on the digital watermark information;
• and
• establishing a connection relationship with the second electronic device based on the device identification information.

An electronic device, comprising one or more processors, and one or more memories, wherein the one or more memories store one or more programs, and when the one or more programs are executed by the one or more processors, the device is configured to perform:

• detecting a first operation, and in response obtaining, through a camera, a plurality of frames of images displayed by a second electronic device, wherein digital watermark information is superimposed in the plurality of frames of images, and the digital watermark information comprises device identification information of the second electronic device;
• determining the digital watermark information in the plurality of frames of images;
• determining the device identification information of the second electronic device based on the digital watermark information;
• and
• establishing a connection relationship with the second electronic device based on the device identification information.