For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
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。
A new method of measuring the monochrome focal length of lens is given from the single slit diffraction principle.
根据单狭缝衍射原理，提出了一种测量透镜单色焦距的新方法。
Influence factors of flat-field for the monochrome array CCD camera are analyzed and researched. Anew method of image correction is presented.
分析研究了影响黑白面阵CCD相机平场的因素，提出了一种新的平场校正方法。
Influence factors of flat-field for the monochrome array CCD camera are analyzed and researched. Anew method of image correction is presented.
分析研究了影响黑白面阵CCD相机平场的因素，提出了一种新的平场校正方法。
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