Live streaming system and method for live streaming

A live streaming system, adapted to be connected to a first camera, the system comprising:

• a user-operable, hand-held and dynamically movable controller, configured to generate an illuminating light to form a prompt signal in a physical scene to be imaged by the first camera and cause the prompt signal to appear at a position of the physical scene defined solely by a position and/or orientation of the hand-held controller;
• and
• an electronic device, configured to be communicatively connected to the controller and the first camera, the electronic device including:
• a processor, configured to receive an original image captured by the first camera, the original image being an image of the physical scene and including the prompt signal, to recognize the prompt signal in the original image as captured by the first camera, to generate a synthesized image, to analyze the prompt signal to determine a position within the original image where the synthesized image is to appear, and to generate a superimposed image by superimposing the synthesized image on the original image, wherein the synthesized image appears at the determined position of the original image;
• and
• a network interface unit, configured to live stream the superimposed image.