cosine

n.

余弦；

discrete cosine transform离散余弦变换

direction cosine方向余弦

1. The cos() function returns the cosine of a number.
   函数的作用是：返回一个数值的余弦值。

Discrete Cosine Transform
Discrete Cosine Transform Algorithm, Advantage Application
Discrete cosine transform algorithms, advantages, applications
Discrete cosine transform: algorithms, advantages, applications
A new algorithm to compute the discrete cosine Transform
A Fast Computational Algorithm for the Discrete Cosine Transform
A fast computational algorithm for the discrete cosine transformation
Fralick: "a fast computational algorithm for the discrete cosine transform
A 0.9-V, 150-MHz, 10-mW, 4 mm/sup 2/, 2-D discrete cosine transform core processor with variable threshold-voltage (VT) scheme
Illumination compensation and normalization for robust face recognition using discrete cosine transform in logarithm domain