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    • 3. 发明授权
    • 동영상 복호화시 손실 은폐 방법 및 이를 이용한 복호화장치
    • 视频解码错误隐藏的方法和装置
    • KR100827094B1
    • 2008-05-02
    • KR1020060105757
    • 2006-10-30
    • 삼성전자주식회사고려대학교 산학협력단
    • 최정석박영오최광표주영훈김용덕송관웅김창수
    • H04N19/895
    • H04N19/895H04N19/13H04N19/176H04N19/51H04N19/625
    • A video decoding EC(Error Concealment) method and a decoding device using the same are provided to perform more exact EC by using double iteration technique and perform the EC by using an output signal of a decoder without big design change in the decoder. A bit stream of an NAL(Network Abstraction Layer) is decoded(402). Each frame is decoded(404). Each slice of each frame is decoded, and a macro block of each slice is decoded(406). If a macro block(or a slice) where an error is generated is generated, the slice with the error is decoded(408,410). An EC operation of the macro block with the error is performed by performing a first iteration process of a double iteration process(412). After that, an EC operation of the macro block with the error is performed by performing a secondary iteration process(414).
    • 提供视频解码EC(误差隐藏)方法和使用其的解码装置,以通过使用双重迭代技术来执行更精确的EC,并且在解码器中通过使用解码器的输出信号而没有大的设计改变来执行EC。 NAL(网络抽象层)的比特流被解码(402)。 每帧被解码(404)。 对每个帧的每个片段进行解码,并且对每个片段的宏块进行解码(406)。 如果生成错误的宏块(或切片)生成了错误的切片(408,410)。 通过执行双重迭代处理的第一迭代处理(412)来执行具有错误的宏块的EC操作。 之后,通过执行二次迭代处理(414)来执行具有错误的宏块的EC操作。