数据库样本英文_数据库样本英语怎么说

数据库样本的英文

数据库: data bank; data base; data p ...
样本: sample book; specimen; advan ...
样本数据库: sampled database
数据库；数据库: data bank
数据库: data bank; data base; data pool; data library◇数据库管理系统 data base management system; 数据库计算机 data base computer

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Because the police fingerprint database is very large and the fingerprint image is often noisy , we paid more efforts on extraction of singular point from the noisy image and improve the fingerprint classification speed . we have obtained some result in the following research areas : 1 ) fingerprint extraction . we extract fingerprint image by two steps : coarse extraction and fine extraction
针对公安指纹数据库样本数量多（一般都在万枚以上），指纹图象质量相对比较差的特点，我们把研究重点放在从差质量的指纹图中准确可靠地提取奇异点特征以及提高分类速度上，并在以下几个方面取得了一定的研究成果： 1 ）指纹分割。

数据库样本的英文