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
- 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 - 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； - 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 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。 - Because the data it used was not users'rating but users'browse route, the problem of data sparseness and initial rating was resolved.
由于数据不是简单的用户评分，而是用户浏览网页的路径，这样就解决了数据稀疏问题和最初评价问题。 - 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。 - This approach make use of the sparseness of speech signals and the independent characteristics of speech signals. Use the fast quasi-newton method, it greatly simplify the Hessian matrix, and it also greatly increases the speed of operation.
该方法运用语音信号的稀疏性和语音信号之间相互独立的特性，使用快速相对牛顿法，使得在牛顿法中，求海森阵的步骤大为简化，大大提高了运算速度。 - 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。 - This paper proposes a new method based on mixing matrix estimation for underdetermined blind speech separation, aiming at speech signals under weak sparseness.
针对语音信号的弱稀疏性，提出一种新的基于混合矩阵估计的欠定语音盲分离方法。 - 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。