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discrete cosine transform

  • 离散余弦变换：一种用于信号和图像处理的数学变换，将连续的余弦函数转换为离散的数值序列。

双语例句

  1. Inverse Discrete Cosine Transform takes the most of time in MPEG-4 video decoding.
    离散余弦逆变换是MPEG - 4视频纹理解码中运算时间开销最大的部分。
  2. The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
    提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
  3. At low bit rates, the block Discrete Cosine Transform (BDCT) compression methods often give rise to blocking artifacts.
    低比特率时，基于块离散余弦变换(BDCT)的图像压缩方法常常会引起块效应。

网络短语

  • modified discrete cosine transform
    修正的离散余弦变换；离散余弦变换；修正离散余弦变换
  • IOCS Inverse Discrete Cosine Transform
    离散余弦逆变换
  • FDP Forward Discrete Cosine Transform
    离散余弦正变换
  • inverse discrete cosine transform
    离散余弦逆变换；逆离散余炫；逆离散余弦变换
  • Discrete Cosine Transform DCT
    离散余弦变换

英英释义

  • A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, from lossy compression of audio (e.