image preprocessing

• 图像预处理

image preprocessing的用法和样例：

例句

1. An efficient template learning algorithm which aims at compensating the transformations as a result of palmprint preprocessing is used for feature extraction of palmprint.
   摘要针对掌纹识别中图像预处理所带来的位置变换，一种有效的模板学习算法被应用于掌纹识别的特征提取。