Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.

在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换(DCT)进行了变换域分析。

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By adopting texture statistics for ray-space slice, initial search direction was established, and then multi-layer rectilinear direction search method was realized in inter-slice prediction.

在片间预测中，通过对光线空间片的纹理统计，确立初始的搜索方向，实现分层的直线方向搜索方法。

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This composite image of Cepheus B combines data from the Chandra X-ray Observatory and the Spitzer Space Telescope.

这幅仙王座B的合成图像结合了来自钱德拉X射线观测站和斯皮茨太空望远镜所获得的数据。

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