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
- 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 - This strategy can reduce the data sparseness and keep the search efficiency meanwhile.
这种优化策略可以在保证该算法数据查找效率不变的同时，进一步减少数据稀疏，提高空间利用率。 - 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。 - 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。 - 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。 - 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。 - Then, it is expatiated that owing to their sparseness, new kinds of matrices greatly simplify the projection operation during image reconstruct.
同时，进一步说明由于这两种矩阵构成元素的稀疏性可以简化图像重建过程中的投影计算，从而提高重建速度。 - 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。 - The calculation amount and local minimum are reduced taking advantage of sparseness of significant coefficients by wavelet transform.
利用多尺度之间的内在联系及小波域中重要系数的稀疏性，有效改进了局部极值、计算量等问题。 - Based on the clustering method, the mixing matrix was first estimated by a new potential function using the sparseness of sources.
首先，利用变换后信源的稀疏特征，采用一新的势函数通过聚类算法估计混叠矩阵。