Coding and decoding method, device and system based on multiple description videos

The present invention discloses a method based on multiple video encoding and decoding method, apparatus and system for encoding method is described, comprising the steps of: odd-numbered frame in an even frame is separated to produce an initial description and coding; utilizing the correlation generating macroblock level between different description side information different modes and encoding; channel transmission. The present invention also discloses a case based on a multiple description video coding apparatus and a decoding method, apparatus and system for real-time video transmission.