Method and system for signaling of 360-degree video information
A signal notification, video technology, applied in the direction of digital video signal modification, 3D image processing, image communication, etc.
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[0045] A detailed description of the illustrative embodiments will now be provided with reference to the accompanying drawings. Although this description provides specific examples of possible implementations, it should be noted that the details provided are intended as examples and not as limitations on the scope of application.
[0046] 360-degree video encoding and decoding
[0047] One technique for 360-degree video delivery is to use spherical geometry to represent 360-degree information. For example, synchronized multiple views captured by multiple cameras are stitched on the sphere as a whole structure. Then, project the sphere information onto a 2D planar surface using a given geometric transformation process, for example, the equirectangular projection (ERP) method. Figure 1A Spherical sampling over longitude (φ) and latitude (θ) is shown, Figure 1B The projection of a sphere to a 2D plane using equirectangular projection is shown. In aeronautics, longitude φ in ...
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