训练样本与测试样本分别朝融合特征空间投影，从而得到识别特征。
After training samples and test samples are respectively projected towards the fusion feature space, recognition features are accordingly gained.
实验表明，投影特征描述了图标的水平及垂直方向的空间分布信息，能够有效地进行识别检索。
Experimental results show that projective features describe the logo spatial distributing information of horizontal and vertical direction, and can recognize logos effectively.
在单个CCD摄像头固定的情况下，建立投影几何模型，计算所获取的动态图像上特征点的空间位移，得到时域上连续的脉搏信号。
The continuous pulse waves are obtained in time domain by calculating the space displacements of the feature points on movement image with single CCD camera.
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