A Spatial Band Wavelet Video Coding
نویسندگان
چکیده
EZW, a wavelet transformation based compression algorithm, utilizes the correlations of the wavelet coefficients between subbands. Due to the reason that, it is based on Zero Tree’s parent-descendant dependency of the subbands, subband coding is possible, but it is not efficient for applications, which require multiresolution restorations. In this paper we compare and analyze the performance between spatial band coding, which apply the correlation between adjusting pixels, and EZW. So as to prove that spatial band coding is superior to EZW in the sense that it exhibit higher PSNR values and that it is apt to multiresolution restoration.
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تاریخ انتشار 2002