High error tolerant low time delay video transmission method and device suitable for deep space communication
A technology for deep space communication and video transmission. It is used in pulse modulation TV signal transmission, error prevention/detection using return channels, transmission systems, etc. Eliminate transmission delay, balance the contradiction between transmission accuracy and transmission speed, and achieve the effect of error protection
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[0037] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0038] At present, in order to meet the needs of deep space communication, many transmission methods have been continuously improved, but the existing transmission methods cannot distinguish the importance of data at different positions in the code stream. For video information, the data at different positions in the code stream The degree of importance is different. For code streams with high importance, accurate transmission should be ensured, while for code streams with low importance, accurate transmission is not required.
[0039] In view of this, the present invention provides a video coding and transmission strategy, which is mainly based on the layered characteristics of scalable video coding, and performs scalable video co...
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