非均匀量化

  • 网络nonuniform quantizing;Non-uniform quantization;non-uniform quantizing
非均匀量化非均匀量化
  1. 该算法对原始图像进行离散小波变换,将中频小波系数分成3×3的系数子块作为水印载体,对子块的系数均值采用非均匀量化索引调制,实现二值水印的嵌入。

    By taking discrete wavelet transform of original image , the middle-frequency wavelet coefficients , which were divided into small blocks , were selected as carrier of watermark information . A two-value watermark sequence was embedded into the mean values of block coefficients by applying non-uniform quantization index modulation .

  2. 为了简化系统设计,采用非均匀量化规则,并由直流侧电压的控制直接得到电源电流参考值,最后将模糊控制和PI控制相结合,构建了复合控制器。

    To simplify the system process , the non-uniform quantizing rule is adopted , and the reference current is regulated by the DC-link voltage directly .

  3. 根据实际应用中LOG模板的设计要求,提出了不等间隔采样和非均匀量化相结合的数字化方法;

    According to the designing criterion , a digitization method using unequal interval sampling combined with non-uniform quantification is proposed .

  4. 非均匀量化的软判决Viterbi译码

    A soft-decision Viterbi decoding with non-uniform quantification

  5. 首先,对HSV颜色空间的关键帧颜色值进行非均匀量化;然后,统计其颜色直方图。

    First , HSV color values of keyframes are quantized non-uniformly . Then color histograms are calculated .

  6. 改进的HSV量化方法是针对颜色特征,把纯颜色非均匀量化为六个等级,对于饱和度和亮度,都非均匀量化成三个等级,最后共得到27个颜色分级。

    The improved HSV quantization method is to the color feature . This paper has non-uniform quantize pure color to six colors , to saturation and luminance , non-uniform quantize to three grades . Finally , there are 27 colors altogether .

  7. 非均匀量化技术在空空导弹振动遥测中的应用研究

    Application of Non-Proportional Quantization Technique in Airborne Missile Vibration Telemetry

  8. 最后,本文使用非均匀量化的颜色信息对目标区域进行优化。

    Finally , the scheme uses unequally divided color to optimize the object regions .

  9. 在相同的级数下,非均匀量化对超声信号的处理效果更好。

    In the same series , no uniform quantization for ultrasonic signal processing effect is better .

  10. 子块非均匀量化的小波变换图像压缩编码方法

    Image compression coding using WT

  11. 为了提高数字水印的稳健性与不可见性,将图像小波变换与量化索引调制算法相结合,提出了一种基于小波变换的非均匀量化索引调制数字水印算法。

    A nonuniform quantization index modulation watermarking algorithm based on image wavelet transform was presented to improve the robustness and invisibility of digital watermark .

  12. 为克服噪声不确定度对频谱检测性能的影响,本文研究了认知无线电中的基于熵的频谱感知问题,将非均匀量化思想引入熵检测理论中,提出了非均匀量化谱熵的频谱检测方法。

    A spectrum sensing algorithm based on information theory in CR is considered to avoid the influence by noise uncertainty . By introducing the nonuniform quantization , the spectrum entropy-based detection scheme is proposed .

  13. 为了降低基于颜色特征图像检索中空间的维数,本文改进了颜色特征的图像特征的提取方法,提出了一种新的基于HSV空间的18色非均匀颜色量化算法。

    A new 18 color none uniform quantization algorithm based on HSV space is proposed with the purpose of reducing the dimension of feature space .

  14. 为了降低特征空间的维数,将图像的先验知识融合到采用SVM构造的分类器中,提出了一种新的基于HSV空间的20色非均匀颜色量化算法。

    A new 20 color none uniform quantization algorithm based on HSV space was proposed with the purpose of reducing the dimension of feature space and syncretizing the transcendental knowledge into the classification machine constructed by SVM .

  15. 变换系数采用非均匀标量量化和熵编码。

    DCT coefficients were quantized through nonlinear scalar quantization and entropy coding .

  16. 基于非均匀矢量量化的孤立数字语音识别

    Speech Recognition of Isolated Digits Based on Non-Uniform Vector Quantization

  17. 一种新的数字射频存储器非均匀相位量化方法

    A New Non-uniform Phase Quantization Method of Digital RF Memories

  18. 量化方法采用了线性非均匀标量量化,并定义了一种新的运算方法&量化除法。

    A linear uneven scalar quantization was adopted and a new operation method , the quantization division , was defined .

  19. 基于视觉感知的非均匀颜色模糊量化算法研究

    The Research of Non-uniform Fuzzy Color Quantization Algorithm Based on Visual Perception

  20. 该方案基于小波域非均匀零树结构量化和高频低能系数的视觉非均匀量化。

    A new and generic two-stage coding scheme is thus proposed , based on the nonuniform zero-trees of wavelet coefficients and the visually nonuniform quantization of small coefficients in higher subbands .