Figure 3-1 shows the coding order of HEVC, which is i frame, P frame, and B frame in sequence, and consists of a set of GOP frames of three patterns. In multi-view encoding, I frame and P frame are different perspectives for the same frame, V0 is the I frame in the frame, V1 and V2 in the same frame are P frames, the remaining 14 frames are B frames, and the encoding order is not encoded in the order of the frames, but will be encoded in the same frame in the order of the viewangle.<br><br>High efficiency video coding (HEVC) in coding multi-view angle the default encoding order is different angle of view of the same frame, take three-view angle as an example, the default coding order is the view 0, view 1, view 2 sequential coding at the same frame, using deep learning to generate view 1 virtual graph is to use the compressed view 0 and view view 2, so we modified the coding settings in the HM, first let the coding order become view 0, view 2, and then the view 1 encoding. In the default, there are 3 or 4 reference frames per B-frame, but in order to add additional reference frames, modify in HM code to limit the number of additional reference frames to B-frame 2, and overlay the additional reference frames on the virtual graph. For reference consistency, the original version of HM also adds an additional reference frame to view 2 and uses view 1 as a cross-view reference frame.
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