If the data deficiency is totally random, then only the precision will be reduced while deviation will not be caused.
如果数据的缺失完全是随机的，丢弃不完整的回答虽然会减少估计的精度但是不会产生偏离。
Data deficiency may affect the efficiency and feasibility of recognition algorithm.
数据缺失影响识别算法的有效性和可行性。
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。
Data deficiency refers to the case that some frames in a sign language sequence can provide only small number of efficient features or no efficient feature for matching.
所谓数据缺失，是指手语样本中某些时刻只能提供很少的有用特征以供匹配之用或者不能提供任何有用特征的情况。
Data deficiency refers to the case that some frames in a sign language sequence can provide only small number of efficient features or no efficient feature for matching.
所谓数据缺失，是指手语样本中某些时刻只能提供很少的有用特征以供匹配之用或者不能提供任何有用特征的情况。
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