Data deficiency may be caused by many factors such as self-occlusion, the image blur and the imperfection of the feature extraction algorithm.

很多因素都能导致数据缺失的出现，比如自遮挡、成像因素导致的图像模糊、以及特征提取算法的不完善等因素。

youdao

Data deficiency may be caused by many factors such as self-occlusion, the image blur and the imperfection of the feature extraction algorithm.

很多因素都能导致数据缺失的出现，比如自遮挡、成像因素导致的图像模糊、以及特征提取算法的不完善等因素。

youdao