DWT-Based Error Concealment Techniques
نویسنده
چکیده
This talk concerns about mathematical mechanism for transmission error concealment. The previous methods involve concealing the transmission error for DCT (Discrete Cosine Transform) based compression line (e.g. MPEG and JEPG adopted by ISO/IEC). In this talk, we consider the mechanism to recover the transmission error of DWT(Discrete Wavelet Transform) based compression process. Also operations by di®erent algorithms in both image and wavelet domain are compared.
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