Furniture - measurement of the surface reflectance 家具.表面反射率的测量
Furniture - assessment of the surface reflectance 家具.表面反射性的评定
Furniture - assessment of the surface reflectance ; german version en 13721 : 2004 家具.表面反射的评估
2 . measures quantificationally the three - dimensional shape and two - dimensional surface reflectance contributions to face images recognition 2 .分析了三维形状和二维纹理对人脸识别的影响。
1 ) in the solutions with high hno3 concentration , the etching is similar to chemical polishing which produces flat surface . 9 . 3 % surface reflectance is obtained through stopping etching when the blue color is appearing on the surface , which is lower than 15 . 7 % reflectance of sio2 layer arc 这对于提高太阳电池的效率是极有益的。 ( 2 )反射特性、形貌和腐蚀液的关系1 )在高hno _ 3的溶液中,近似化学抛光,制备的样品表面相对光滑。
Based on the bjpu - 3d large - scale chinese face database and the correspondence between these faces by though mesh resampling , we have altered the three - dimensional shape and two - dimensional surface reflectance of the original 3d faces by making use of the average face , then we have implemented a series of experiments to measure the contributions of three - dimensional shape and two - dimensional surface reflectance to face image recognition under this change pattern . from the experiment results based on the eigenface algorithm , we concludes that the two types of information are both important for face recognition but the 3d shape is much more important than the 2d surface reflectance , this conclusion gives good suggestions and clues to the design of face recognition algorithms in future 在本实验室建立的大规模中国人的三维人脸库和基于重采样三维人脸对齐算法的基础上,本文设计合理的实验,采用平均三维人脸来改变原始三维人脸的形状和纹理信息,系统地分析了在这种变换模式下的人脸三维形状和二维纹理对人脸图像识别的影响,在eigenface算法上的试验结果表明,形状和纹理信息对人脸识别都有很大影响,并且形状信息的影响远远大于纹理信息的影响。