 说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 您的位置：首页 -> 词典 -> 分块离散余弦变换 1)  Block DCT 分块离散余弦变换 2)  BDCT 块离散余弦变换 1. In order to reduce the visible blocking artifacts at the block boundary with Block Discrete Cosine Transform(BDCT)at low bit rates,a new blocking-artifact reduction algorithm in DCT domain is presented in this paper. 为了减少低比特率时块离散余弦变换(BDCT)在块边界所出现的明显可见的方块效应,提出了一种新的DCT域的去块效应消除算法。 3)  Block Discrete Cosine Transform(BDCT) 块离散余弦变换 1. 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。 2. The reason that Block Discrete Cosine Transform(BDCT) brings blocking artifacts is analyzed in this paper. 分析了块离散余弦变换(BDCT)图像编码的块效应产生原因,基于马尔可夫随机场最大后验估计(MRF-MAP)框架提出了一种有效的自适应去块效应算法。 3. A major drawback of block discrete cosine transform(BDCT) is that the decoded images,especially at very low bit rates,exhibit highly noticeable blocking artifacts near the block boundaries. 块离散余弦变换(B lock D iscrete Cosine Transform)的主要缺点是在低比特率时其恢复图像的块边界上会出现明显可见的方块效应,降低了图像的视觉质量。 4)  discrete fractional cosine transform 离散分数余弦变换 1. This paper redefined discrete fractional cosine transform (DFCT) by state function , proposed a algorithm named three cycles discrete fractional cosine transform (DFCT3), deduced the AE . 基于态函数,给出了分数余弦变换的新定义,提出三周期离散分数余弦变换方法,介绍了基于三周期离散分数余弦变换的声发射信号增强算法和改进算法的推导过程。 5)  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。 6)  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。 补充资料：Fourier余弦变换 Fourier余弦变换 Fourier cosine transform I议耐台余弦变换[I饭川份仪d理加田北而;Koc皿yc一uPe-o6pa”。a.e巾yp‘e] 见I议州匕变换(Fou〔屺rtla瑙form). 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 ©2011 dictall.com