FIELD: encoding and decoding video.
SUBSTANCE: stream carries data representing an immersive video consisting of a frame organized according to a scheme comprising a first region encoded according to a rectangular conversion, a second region encoded according to a transformation from a rectangular transformation to an immersive transformation, and a third area encoded according to an immersive transformation. For backward compatibility, the stream further comprises first information representing the size and location of the first region in the video frame, and second information containing at least type of selected circuit, field of view of first part, size of said second area in video frame and reference direction.
EFFECT: technical result is improved encoding of backward compatible immersive video.
15 cl, 11 dwg
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