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- Zig-zag scan is used for transform coefficient levels in frame macroblocks. Z扫描用于扫描帧MB的变换系数。
- Quantisation parameter: A variable used by the decoding process for scaling of transform coefficient levels. 量化参数:解码处理中使用的一个值,用于缩放变换系数。
- AC transform coefficient: Any transform coefficient for which the frequency index in one or both dimensions is non-zero. AC系数:变换系数块中除了左上角第一个系数外的系数。
- Frequency index: A one-dimensional or two-dimensional index associated with a transform coefficient prior to an inverse transform part of the decoding process. 频率索引:变换系数的索引值,该索引值被送到反变换部分进行解码处理。
- A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper. 摘要提出了一种基于矢量运算的新的坐标变换方法,该方法具有不需要计算转换系数矩阵、可逆的特点。
- Transform coefficient level: An integer quantity representing the value associated with a particular two-dimensional frequency index in the decoding process prior to scaling for computation of a transform coefficient value. 非零变换系数:一个非零整数,在求变换系数的时候缩放处理前的值。
- Since 2-band interpolating wavelet transform has the advantage that waveletseries transform coefficient is same as binary uniform samples in multiresolutionsubspace, Prefilter operator of signal in some scaling space is simplified to one. 由于 2 带插值子波变换具有多分辨子空间信号的子波级数变换(WST)系数与其 2 进均匀采样点的值严格一致的优点,因此,使在某个尺度空间上的信号的预滤波算子简化为 1,这时,变换域中的系数是真实的对应层的子波系数,反映了原信号的特性。
- Frequency of modulated signals is extracted from frequency-modulated signals by using the relationship between the modulus of wavelet transform coefficient and the singular exponent. 利用小波变换系数的模值与信号奇异性指数之间的关系,从调频信号中提取出调制信号的频率。
- The results of quantitative coding to wavelet transform coefficient show that low-scale extreme wavelet coefficients can accurately localize the subaerial position of fractures. 小波变换系数量化编码结果表明,低尺度小波系数极值可以准确定位断裂在地表的位置;
- heat rate transformation coefficient 热耗变换系数
- energy transformation coefficient 能量变换系数
- Signa1 redundancy anylysis on two demension time- frequency space of wavelet transform coefficients[J]. 引用该论文 郎方年;周激流;袁晓;何坤;钟钒.
- To obtain the optimal quantizer,the distributions of wavelet transform coefficients for image must be determined. 为了设计最优量化器,必须确定变换系数的分布规律。
- Based on mode curvature, a damage location identification method of structures is presented by using the residuals of wavelet transform coefficients. 在结构曲率模态基础上,本文提出了一种基于小波变换的结构损伤检测和定位方法。
- In the solving process of the allocation problem with the Hungarian method,it is necessary to determine the maximum allocation of zero elements of the transformed coefficient matrix. 用匈牙利算法求解分配问题过程中,需要确定已变换后的系数矩阵中0元素的最大分配。
- By analyzing the singularity characteristics of the wavelet transform coefficients, the damage can be identified effectively. 研究了脱层损伤和裂纹损伤发生在不同损伤程度时的小波变换方法识别。
- A new method of selecting initial codebook and distortioncriterion is presented to improve the efficiency of SOFM neural network according to the statistic feature of PCA transformational coefficient. 实验证明,与普通PCA+SOFM连续编码算法和基本SOFM算法相比,这种混合编码算法由于占用存储空间少,因而降低了码书设计的计算量,并改善了码书的性能。
- horizontal transform coefficient 横向变形系数
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- Then the integer implementation of 4D-MDCT is applied to video sequences and the integer transform coefficients are quantized by vector quantizer based on robust statistic. 根据可逆整型变换矩阵分解的原理,首先计算四维矩阵离散余弦浮点变换的整数可逆分解,得到整数到整数的可逆变换矩阵。