sparsity
英
美
网络 稀疏度; 稀少; 稀疏性; 稀疏问题; 稀疏
BNC.45121 / COCA.45310
英英释义
noun
- the property of being scanty or scattered
双语例句
- It discusses the exploitation of sparsity in large LP problems as used in practice.
对高阶线性规划问题实际应用的稀疏技术的开发作了探讨。 - Using the sparsity of the scene, pixels above the threshold are mapped to a triple before entropy encoding for both grayscales and locations.
利用场景的稀疏性，将阈值以上的像素映射到三元组，对其灰度和位置信息分别熵编码； - Research of Sparsity and Cold Start Problem in Collaborative Filtering
协同过滤系统的稀疏性与冷启动问题研究 - Data set size, dimensionality and sparsity have been identified as aspects that make cluster more difficult.
数据集合的大小，数据的维数和数据的稀疏性都是制约聚类的不同方面。 - Sparsity of the target and the sampling rate on the reconstructed image quality also has been analyzed.
并对目标物体稀疏性和采样率对图像恢复质量的影响进行了分析。 - Thirdly, the application of these sparsity properties to SAR image feature-enhancement was investigated.
然后，分析了稀疏约束在SAR图像分辨率增强中的应用方法。 - Algorithms in semigroup algebra k [ A] can improve the efficiencies because they utilize the sparsity of polynomials.
由于利用了多项式的稀疏性半群代数K[A]中算法提高了效率。 - Research of Data Sparsity Problem in Recommendation Systems Based on Collaborative Filtering
基于协同过滤推荐系统的数据稀疏性问题研究 - In this paper, investigate the nonlinear inverse problem of sparsity constraint regularization.
本文研究了非线性反问题的稀疏约束正则化方法。 - However, with the increasing of system users and the number of goods, Collaborative filtering also faces severe challenges such as sparsity problem, accuracy problem and so on.
但随着电子商务系统用户和商品数量的增加，协同过滤也面临着稀疏性、精确性等问题的考验。