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AssigneeApple Inc.
InventorsAlexandros Tourapis, Dazhong Zhang, Hang Yuan, Hsi-Jung Wu, Jae Hoon Kim, Jiefu Zhai, Ming Chen, Xiaosong Zhou
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Aspects of the present disclosure provide techniques for reducing latency and improving image quality of a viewport extracted from multi-directional video communications. According to such techniques, first streams of coded video data are received from a source. The first streams include coded data for each of a plurality of tiles representing a multi-directional video, where each tile corresponding to a predetermined spatial region of the multi-directional video, and at least one tile of the plurality of tiles in the first streams contains a current viewport location at a receiver. The techniques include decoding the first streams and displaying the tile containing the current viewport location. When the viewport location at the receiver changes to include a new tile of the plurality of tiles, retrieving and decoding first streams for the new tile, displaying the decoded content for the changed viewport location, and transmitting the changed viewport location to the source.
A video reception method, comprising:
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A video reception system, comprising:
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A non-transitory computer readable medium comprising instructions that, when executed by a processor, cause:
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Dependencies are inferred from the claim text.