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.
对BMP图象数据隐藏方法和JPEG图象数字隐写方法的实验结果表明，本文方法明显优于先前的图象通用隐写分析方法。
The experiments towards data hiding methods in BMP images and JPEG steganography images show that the proposed steganalysis scheme is obviously superior to the prior arts.
三维地震数据体是反映地下地质构造的三维数字图象。
Three-dimension Seismic Data Volume is a three-dimensional digital image which maps the geological structure subsurface.
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