提出了一种由仿射变换关系到线性回归的3d人脸空间姿态估计方法。
A method for estimating 3d space face pose was proposed based on affine transformation and linear regression.
对非线性仿射系统，将状态估计问题转化为微分和高阶微分提取问题。
The problem of states estimate is converted into the one of extracting the differential and high orders differentials for nonlinear affine system.
本文对H．263中基于平移模型的重叠块运动估计补偿方法进行改进，提出了一种基于仿射模型的重叠块运动补偿方法，该方法对复杂运动图像质量有明显改善。
This paper proposes an overlapped block affine motion compensation method to improve the translational motion model used in H. 263, and it improved the quality of image with complicated motion.
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