英德
有道
百度
谷歌
图片
维基
百科
相关系数变换
correlation coefficient transformation
- 在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换(DCT)进行了变换域分析。
Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression. - 应用这种快速算法，结合对灰度分布标准化近似计算公式、相关系数和平均偏差计算公式的变换，以及灰度分布标准化处理时省略拷贝图像窗口及窗口灰度值变换等不必要的步骤，大大提高了模板匹配速度。
With this rapid algorithm and transformation of some formulas, such as approximate formulas for computing grayscale distribution normalization, formulas for computing the correlation coefficient and average deviation, and leaving out some needless processes such as copying windows and conversion of windows grayscale value, the template matching was sped up greatly. - 采用小波包变换方法降低小波系数之间的相关性，再利用树形结构表示小波系数并进行逐次累计量化，进一步减小小波系数之间的相关性。
The method used wavelet packet to reduce the correlation of wavelet transform coefficients, then zerotree coding and successive approximation provided a compact representation of the wavelet coefficients.
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