sparseness
英
美
网络 稀少; 稀疏; 稀疏性; 稀疏度; 稀疏化
COCA.37869
英英释义
noun
双语例句
- In this paper, an improved algorithm of image feature extracting for independent component analysis was proposed based on basic functions'maximization of sparseness.
利用基函数稀疏性的极大值特点，本文提出一种改进的基于独立分量分析的图像特征提取算法。 - NMFs can control sparseness explicitly and find parts-based representations for face images.
非负稀疏矩阵分解能显示地控制分解稀疏度和发现人脸图像的局部化表征； - At the same time a new solution to the sparseness of training text is put forward.
同时对训练文本的稀疏问题提出了一种新的解决方案。 - This paper describes a method of extrapolating seismic traces based on the sparseness discrete τ-p transform.
这里研究的是一种基于稀疏离散τ-p变换的地震道缺失重建方法。 - Sparseness Analysis of Radar Echoes and its Application in Ship and Chaff Discrimination
雷达回波稀疏性分析及其在舰船与箔条云鉴别中的应用 - The scheme resolves the problem of high dimension and large sparseness in basket data and improves efficiency of clustering.
使用了一种新的事务表示法，解决了购物篮数据的高维性和稀疏性问题。并对算法进行了相应的改进，从而提高了聚类速度。 - A genetic algorithm with adaptive evaluation function is presented to deal with data sparseness problem in automatic semantic tagging.
针对数据稀疏问题，采用适应度函数较灵活的遗传算法做语义的自动标注； - Data sparseness led by the lack of training data restricts the promotion of the supervised methods.
由训练语料不足导致的数据稀疏问题限制了有指导方法的推广。 - General clustering approaches, such as distance-based and statistics-based, are not adapted to classification of outliers because of their characteristic of fewness data and sparseness.
离群数据是数据中的小模式，因其固有的少数据与稀疏性等特征，使得基于距离或基于统计等常规聚类方式不适用于对离群数据的分类。 - But traditional collaborative filtering algorithm has the shortcomings of sparseness, expansibility, and synonymy.
但传统的协同过滤算法存在着稀疏性、扩展性和同义性的问题。