With the increase of data quantity , the problem of ability to deal with the data of instrument which used for data mining seems outstanding day by day 随着数据量的增加,数据挖掘工具处理海量数据的能力问题显得日益突出。数据挖掘通常又称数据库知识发现。
Moreover , this minimizes the modeling data quantity as facial features such as moles , pimples and fine wrinkles can be expressed with texturing 其它的好处是,这样做可以减小建模的工作量,一些面部的细微特征,比如胎记,青春痘和细小的皱纹等,都可以用帖图的方法表现。
But because of the huge data quantity of digital image , together with the limited transmission speed , we must code , compress and decode the video data 然而,由于数字图像的数据量较大,而现在的网络传输速度有限,所以必须针对这一问题对视频数据进行编码、压缩及解码。
Considering the data quantity , a thought of replacing the plant model by plant image has been adopted in the system , which may provide more realistic natural scene for the user 同时考虑到数据量的大小,该系统采用了用植物图像取代植物模型的思路,以为用户提供更真实的自然景物效果。
Considering the huge data quantity and the plentiful objectives of the crew pairing , genetic algorithm is selected to slove the problem , which can realize the overall searching efficiently 考虑到机组配对的数据量大,配对影响因素和配对目标多,本文选择了具有高效并行全局搜索特点的遗传算法对配对过程进行优化。