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
- 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。 - 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。 - But it also has many problems, such as data sparseness problem, the system scalability problem and time factor problem.
但协同过滤推荐算法还不够成熟,仍然存在一些问题,如数据稀疏性问题、系统的可扩展性问题和时间因素问题等。 - 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。 - Experimental results show that Matrix filling method can effectively relieve the data sparseness problem in recommendation system.
实验结果表明:该方法可以有效缓解推荐中数据稀疏性问题。 - 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。 - 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 - 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。 - 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。 - 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。