A new method for human face image scale and direction estimation is proposed using covariance matrix eigenvalue and eigenvector of edge set, which is proved by theory and experiments.
提出了利用边缘点集的协方差矩阵的特征值与特征矢量作为人脸图像尺度与方向的粗估计方法，从理论和实验上证明了该方法的可行性。
Aimed at the color design process of NC machine tools in ICAID system, experiments of color image scale and the cognitive process of designers were carried out.
研究以数控机床ICAID系统中色彩设计过程为对象，进行了色彩意象尺度法实验和对设计者设计认知过程实验。
The images were obtained at a distance of approximately 526,000 miles from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 74 degrees. Image scale is 31 miles per pixel.
此图拍摄点距土星526,000英里，太阳-土星-飞船夹角(相位)为74度，图像比例尺为每个象素31英里。
The images were obtained at a distance of approximately 526,000 miles from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 74 degrees. Image scale is 31 miles per pixel.
此图拍摄点距土星526,000英里，太阳-土星-飞船夹角(相位)为74度，图像比例尺为每个象素31英里。
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