Light transmitting display system, image output method thereof and processing device thereof

A light transmitting display system, comprising:

• a light transmitting display device located between a background object and a user;
• an image detection device configured to detect locations of the user, the light transmitting display device and the background object, an eyes midpoint of the user and an eyes offset of the user;
• a head-mounted device;
• and
• a processing device, comprising:
• a coordinate conversion relationship establishment unit configured to establish a coordinate conversion relationship among the user, the light transmitting display device and the background object;
• a viewpoint calculation unit configured to calculate a left eye viewpoint and a right eye viewpoint of the user on the light transmitting display device according to the coordinate conversion relationship, the eyes midpoint and the eyes offset;
• and
• an image control unit configured to control the light transmitting display device to alternately display an image at the left eye viewpoint and the right eye viewpoint as the head-mounted device is switched.

A processing device configured to control a light transmitting display system, wherein the light transmitting display system comprises a light transmitting display device, an image detection device and a head-mounted device and is located between a background object and a user;

• the image detection device is configured to detect locations of the user, the light transmitting display device and the background object, an eyes midpoint of the user and an eyes offset of the user;
• and the processing device comprises:
• a coordinate conversion relationship establishment unit configured to establish a coordinate conversion relationship among the user, the light transmitting display device and the background object;
• a viewpoint calculation unit configured to calculate a left eye viewpoint and a right eye viewpoint of the user on the light transmitting display device according to the coordinate conversion relationship, the eyes midpoint and the eyes offset;
• and
• an image control unit configured to control the light transmitting display device to alternately display an image at the left eye viewpoint and the right eye viewpoint as the head-mounted device is switched.