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提出一种分块小波变换(Blocking Wavelets Transform),该数据压缩方案可节省存储时间,为星上应用提供了可能性;利用各基带之间的自相似性,对小波系数采用改进型零材编码(Improved Zerotree Encoding),可有效地提高压缩比。
A Blocking Wavelets Transform is proposed, which can save the storage time and provide the possibility for the application on the satellite. By using the self-similarities among the basebands, (Improved Zerotree Encoding), can effectively improve the compression ratio.