对于给定的细节较少的单色数字图象，本文给出了一种自适应的离散余弦变换(DCT)数据压缩方法。
For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
基于DCT(离散余弦变换)的自适应水印算法因其优异的性能而被广泛地采用。
Algorithm of Image Watermarking Based on DCT had been widely used because of its excellent characteristics.
基于DCT(离散余弦变换)的自适应水印算法因其优异的性能而被广泛地采用。
Algorithm of Image Watermarking Based on DCT had been widely used because of its excellent characteristics.
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