但是，马毅认为这些困难是可以通过稀疏表示来加以解决的。
But Ma thinks these difficulties can be addressed with his sparse-representation approach.
着重研究第二代Curvelet多尺度几何分析，对信号进行稀疏表示。
And focus on researching the second generation Curvelet sparse representation.
基于一种两步稀疏表示的方法，利用随机框架讨论欠定盲源分离的恢复能力。
This paper discusses the recoverability of underdetermined blind source separation(BSS), based on a two-stage sparse representation approach.
为促进信号稀疏表示、稀疏分解的研究与应用，研究其快速算法是十分必要的。
Otherwise, signal sparse denotation and decomposition can not be practical, it can only remain in the searching phases.
针对稀疏表示具有良好的分类特性，本文提出了一种基于稀疏表示的文字检测方法。
Considering the good performance of sparse representation for image classification, a novel sparse representation based text detection method is presented.
将识别问题看作是多个线性回归模型中的分类问题，并用稀疏表示理论解决这些问题。
The recognition problem is taken as one of classifying among multiple linear regression models, and sparse signal representation is used to solve this problem.
信号的稀疏表示或最佳n -项逼近是数据压缩、噪声抑制等众多应用中的一个重要问题。
Signal sparse representation or the optimal N-term approximation is one of the important problems, which is applied to many areas such as the data compression, denoising.
TEMPLAR采用最小描述长度(mdl)的复杂性正规化学习稀疏表示的小波域模板。
TEMPLAR employs minimum description length (MDL) complexity regularization to learn a template with a sparse representation in the wavelet domain.
这种改进算法通过使用基于自适应稀疏表示的去噪算法有效地减少了噪声对L-R算法的影响。
The modified algorithm reduces the influence of noise on L-R algorithm effectively by using de-noise algorithm based on adaptive sparse representation.
说明：曲波变换是图像处理领域中稀疏表示最常用的一种字典，其中MCA分解模型中经常用到。
Bo transform the field of image processing is the most common kind of sparse representation dictionary MCA decomposition model which is often used.
方向性小波理论为图像处理提供了一种新的稀疏表示方法，能够更有效地捕捉图像中的几何结构。
The directional wavelet theory provides a novel sparse representation method for image processing, and it can capture geometrical image structures more efficiently.
为了提高数据流中异常数据的预测速度与精度，提出一种基于稀疏表示的数据流异常数据预测方法。
This paper proposed a new prediction method for outliers over data stream based on sparse representation to improve the optimum prediction speed and performance of outliers over data stream.
自适应稀疏表示，作为一种新的信号处理方法，具有表达信号灵活的特点，能够在保持目标特征的同时有效地去除噪声。
As a novel signal processing method, adaptive sparse representation has a merit of representing signal flexibly and can de-noise effectively when maintaining features of targets.
而专家表示，亚洲人头上某些部位的头发不像高加索人那样容易脱落，而是会比较均匀地逐渐稀疏。
Yet unlike Caucasians, their hair is less likely to fall off in specific places.
目前MRI重构算法只利用MRI图像稀疏性表示或只利用基于其局部光滑性的先验知识，重构效果不理想。
The current MRI reconstruction algorithms simply use either the sparse priors or the local smooth priors of MRI image, and result in the inferior reconstruction.
多方向多尺度变换能以更稀疏的方式表示图像的边缘和纹理等几何特征，有利于图像压缩。
The proposed transform could represent the geometrical features such as edges and texture more sparsely, which is of great benefit to image compression.
在稀疏信号表示的并行选取字典算法中，当频率不在栅格点上时，对应的幅度估计可能会有很大的偏差。
In parallel basis selection algorithms of sparse signal representation, there will be serious bias in amplitude estimation when frequency is not in grid.
目前在压缩传感重构算法中利用图像的可稀疏性表示先验知识，从比奈奎斯特采样少得多的观测值中恢复原始图像。
The current image compressed sensing algorithms can reconstruct the original image using the sparse prior of image from far fewer measurements than the Nyquist samples.
小波阈值降噪技术利用小波变换表示信号的稀疏性质，使用对角形式的阈值滤波器达到信号降噪的目的，这个方法在很多信号空间上是近似最优的。
Wavelet thresholding technology is using the sparse property of wavelet representation and diagonal filter for signal denoising . This method is nearly optimal in many signal spaces.
这个区域称为稀疏区，并用疏散的小点表示。
This is called a rarefaction and is represented by widely spaced dots.
随着维度数目的增加，立方体变得更稀疏，即表示某些属性组合的多个单元是空的，没有集合的数据。
As the number of dimensions increases, the cube becomes sparser-that is, many cells representing specific attribute combinations are empty, containing no aggregated data.
作为一个结果，每个文档表示相对于所有这些特征(所有文件有相同数量的功能)，大部分的值将为零，一个非常稀疏向量生成。
As a result, each document is represented with respect to all such features (all documents have the same number of features) but most of the values will be zero, creating a very sparse vector.
该矩阵为稀疏矩阵，将该矩阵用三元组法来进行表示。
This URL-URL matrix is a sparse matrix which can be represented by List of 3-tuples.
一元稀疏多项式的表示及运算。
实验结果表明了这两种稀疏信号表示理论在图像增强方面具有良好的性能和广阔的应用前景。
The experimental results demonstrate the effectiveness of the spare signal expansion in the applications of image enhancement.
实验结果表明了这两种稀疏信号表示理论在图像增强方面具有良好的性能和广阔的应用前景。
The experimental results demonstrate the effectiveness of the spare signal expansion in the applications of image enhancement.
应用推荐