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
- With the increasing number of users and projects, sparseness problem will become more and more serious.
数据稀疏是影响推荐系统质量的瓶颈问题，随着用户和项目的数量不断增加，稀疏性问题将会越来越严重。 - Wavelet-based Non-negative Matrix Factorization with Sparseness Constraints for Face Recognition
基于小波和非负稀疏矩阵分解的人脸识别方法 - The hierarchical clustering method is applied to deal with the problem that the solution of MLS-SVM is lack of sparseness.
运用谱系聚类方法解决多核最小二乘支持向量机的解缺乏稀疏性的问题。 - 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。 - 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。 - An improved active array errors calibration algorithm using the sparseness of mutual coupling matrix
一种利用互耦矩阵稀疏性的阵列误差有源校正改进算法 - Application of Combined Norm Constrained Sparseness Spike Inverse
L1-L2范数联合约束稀疏脉冲反演的应用 - Summing up the history and the current development of the personalized recommendation system, and pointing out the two bottleneck problems of "cold start" and "data sparseness" existing in the collaborative filtering recommendation algorithm. 2.
本文主要做了以下研究工作：1.对个性化推荐系统的发展历史及现状进行了综述，指出了协同过滤推荐算法中存在的冷开始和数据稀疏性两大瓶颈问题。 - The data sets have features such as high-dimensional, sparseness and binary value in many clustering applications.
在许多聚类应用中，数据对象是具有高维、稀疏、二元的特征。 - The experiments on several pattern classification problems show that HS-LSSVM has high sparseness while holds good classification performance and its sparse process is fast.
对多个分类问题的测试表明，HS-LSSVM具有稀疏率高，分类性能强，且稀疏化速度较快等优点。