1) signal processing/discrete cosine transform
信号处理/离散余弦变换
2) discrete cosine transform(DCT)
离散余弦变换(DCT)
1.
A new feature extraction method called as 2DDM is proposed based on discrete cosine transform(DCT) and two-dimensional maximum margin criterion(2DMMC).
提出了一种基于离散余弦变换(DCT)和二维最大边缘准则(2DMMC)的2DDM特征提取算法,证明了2DMMC可以直接应用于DCT域,利用欧氏距离测度进行分类的结果与在空域中进行得到的结果完全相同。
3) discrete cosine transformation
离散余弦变换
1.
The application of discrete cosine transformation in flame recognition
离散余弦变换在火焰识别中的应用
2.
A mathematical relation model between liquor near infrared spectrum and liquor alcoholicity was established by use of the combination of discrete cosine transformation (DCT) and BP neural networks, which was a new approach for rapid liquor alcoholicity determination.
采用近红外光谱的离散余弦变换和BP神经网络相结合,建立了白酒近红外光谱与其酒精度之间的数学关系模型,为快速检测白酒的酒精度提供了一种新的方法。
3.
By using the stability of the direct current (DC) coefficient in the blocks of discrete cosine transformation(DCT),the blind video watermarking method of modulating the DCT-blocked DC coefficients to hide the watermark was proposed.
利用离散余弦变换(DCT)直流系数稳定的特点,提出了一种通过调整视频图像的分块DCT直流系数来隐藏水印的方法。
4) discrete cosine transform
离散余弦变换
1.
A method of discrete cosine transform for compressing tea NIR spectra;
茶叶近红外光谱数据的离散余弦变换压缩方法
2.
Digital watermark embedding algorithm based on decomposing discrete cosine transform coefficients;
基于离散余弦变换系数分解的数字水印嵌入算法
3.
The application of discrete cosine transform coding to seismic data compression;
离散余弦变换(DCT)编码在地震勘探数据压缩中的应用
5) discrete cosine transform
离散余弦变换(DCT)
1.
A New hybrid algorithm for 2-D discrete cosine transform is formed with the use of both fast polynomial trans form (FPT) and fast Fourier transform (FFT).
借助于快速多项式变换(FPT)及快速傅里叶变换(FFT),本文给出了计算二维离散余弦变换(DCT)的一种新的混合算法,对N×N(N=2)二维实序列DCT的计算,其运算量为M个实乘和A个实加。
6) Discrete cosine transformation(DCT)
离散余弦变换(DCT)
补充资料:离散时间信号的Z变换
见变换&dbname=ecph&einfoclass=item">Z变换。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条