Page 775 - 2015 Security in Telecommunications and Information Technology

Unleashing the potential of the Internet of Things 5

8.3.3 Camera pan-tilt-zoom control FE

The camera pan-tile-zoom control FE:
– calculates pan, tilt, and zoom values of each sub-camera object according to the position and
the size of the object of interest in the frame of the main camera object in order to make
camera objects within the same camera object group look at the same object of interest;

– transmits the calculated pan, tilt, and zoom values of sub-camera objects to each
corresponding sub-camera object within the same camera object group in order to control the
sub-camera objects, respectively.

8.4 Video playback terminal function
The video playback terminal function:

– consists of the audience's selection options management and video play FEs.

8.4.1 Audience's selection options management FE

The audience's selection options management FE:
– shows a list of available audience selection options to the audience;
– receives audience's selection information from the audience;

– transmits audience's selection information to the camera control server function;

– transmits audience's selection information to each camera object function;
– includes options of an object of interest selection, a main camera object selection, and a
selection of interested camera objects among multi-camera objects providing different views;
– includes the audience's choices among available audience selection options.

8.4.2 Video play FE

The video play FE:
– receives an audience-selected video from the camera object function;

– shows a current status of each camera object group, a current camera control status of each
camera object, a currently-selected main camera object, the position of each object of interest,
multi-camera video thumbnails, and an audience-selected video with audience-selected
playing options;
– plays an audience-selected video;

– controls a playing status of the current audience-selected video with audience-selected
playing options.

Rec. ITU-T Y.4412/F.747.8 (11/2015) 761