“图像离散余弦变换”的概念、定义、翻译、参考文献-科学参考

单词	图像离散余弦变换
释义	图像离散余弦变换 Encyclopedia 工学遥感图像变换释 image discrete cosine transform，DCT图像离散余弦变换与图像离散傅里叶变换相关的变换方法。类似于离散傅里叶变换（discrete Fourier transform，DFT），但是只使用实数。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。