dct:discrete cosine transformation (离散馀弦转换) 的缩写。jpeg 影像资料压缩和相关演算法的一部分:将明度和色彩资讯储存为频率系数。
基于40个网页-相关网页
[1,2] 三、离散馀弦转换与哈达码转换 3.1 离散馀弦转换 离散馀弦转(Discrete Cosine Transformation, DCT)的目的就在于频率的转换,在 频率转换的过程中,影像资料会呈现能量高低分布的情形。
基于22个网页-相关网页
...文档网 关键字:离散余弦转换,直流系数,资讯隐藏,无失真,直方图,数位浮水印 [gap=2623]Keywords: Discrete cosine transformation, Low-frequency coefficient, Data hiding, Lossless, Histogram, Digital watermark..
基于18个网页-相关网页
inverse modified discrete cosine transformation 修正型离散余弦反转换
Forward Discrete Cosine Transformation 离散馀弦正转换 ; 称为离散馀弦正转换
Inverse Discrete Cosine Transformation 离散余弦变换
discrete cosine transformation dct 离散余弦变换
fast discrete cosine transformation 快速离散余弦变换
Blocked Discrete Cosine Transformation 基于分块的离散余弦变换
It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
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,离散余弦变换等。
There are two main transform domain methods, one is to use the discrete cosine transformation (DCT); the other would be the use of discrete wavelet transforms (DWT).
目前主要有两种变换域方法,一种是使用离散余弦变换(DCT),另一种是使用离散小波变换(DWT)。
According to the characteristics of integer discrete cosine transformation(DCT) and quantization, the coefficient-all-zero block was determined in advance to terminate meaningless search.
根据整数DCT变换和量化的特性,通过提前判定全零系数块来终止没有意义的运动搜索过程。
应用推荐