DCT:离散余弦变换

离散余弦变换(Discrete Cosine Transformation,简称DCT)是一种广泛应用于数学及工程领域的数学变换方法。因其名称较长,学术和科学领域常将其缩写为DCT,以方便书写与技术交流。该变换主要用于信号处理和图像压缩等方面,是许多重要算法的基础工具。

Discrete Cosine Transformation具体释义

  • 英文缩写:DCT
  • 英语全称:Discrete Cosine Transformation
  • 中文意思:离散余弦变换
  • 中文拼音:lí sàn yú xián biàn huàn
  • 相关领域dct 数学

Discrete Cosine Transformation的英文发音

例句

  1. It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
  2. 接下来它还要经过一些数学处理程序,比如小波分解,多重分辨率傅立叶分析,多相过滤,离散余弦变换(DCT)等。
  3. Image Watermarking Based on Discrete Cosine Transformation(DCT) and Doubly Stochastic Matrix
  4. 基于DCT与双随机矩阵的图像数字水印方案
  5. Aimed at the limitation of decoding RAM of ARM, this text discussed an optimized design of MP3 decoding by expanding Huffman table and inversing modified discrete cosine transformation.
  6. 针对ARM的解码空间局限,通过扩充霍夫曼表节点数,采用改进的反向离散余弦变换(DCT)等方法提出了一种基于ARM的MP3解码优化设计方法。
  7. By making an inverse discrete cosine transformation of these recorded intensity profiles, the distribution of fluorescent markers along the optical axis of a focused laser beam is obtained.
  8. 只要对所纪录的荧光序列做一个简单的傅立叶变换,即可以得到此位置样品沿着光轴方向的荧光团分布。
  9. Embedding watermarking into low, middle and high frequency coefficients of discrete cosine transformation respectively.
  10. 研究了水印在DCT系数低频、中频和高频的嵌入性能。