Alexandros Tourapis

Hsi-Jung Wu

Xiaosong Zhou

Dazhong Zhang

Jiefu Zhai

Jae Hoon Kim

Hang Yuan

Ming Chen

Xiaohua Yang

In communication applications, aggregate source image data at a transmitter exceeds the data that is needed to display a rendering of a viewport at a receiver. Improved streaming techniques that include estimating a location of a viewport at a future time. According to such techniques, the viewport may represent a portion of an image from a multi-directional video to be displayed at the future time, and tile(s) of the image may be identified in which the viewport is estimated to be located. In these techniques, the image data of tile(s) in which the viewport is estimated to be located may be requested at a first service tier, and the other tile in which the viewport is not estimated to be located may be requested at a second service tier, lower than the first service tier.

Adaptive coding and streaming of multi-directional video

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Milpitas, CA, United States of America

Alexandros Tourapis