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
- 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。 - 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。 - K-space data has sparseness after transformation, in order to achieve sparse data space, we can use wavelet transform to transform the K-space data, then use the sparse sampling imaging.
K空间数据具有变换稀疏性，可使用小波变换对K空间数据进行变换，得到具有稀疏性的数据空间，再进行稀疏采样成像。 - 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。 - 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 - 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。 - 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； - 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。 - 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。