regularization相关论文
在正则化超分辨率重建算法中，正则化参数自适应对于抑制噪声和保持边缘非常重要。参数自适应通常是通过建立空间信息与参数的关系来......
为了克服图像超分辨重建中四阶全变分正则化模型存在的"斑点"现象和稀疏正则化模型中最优解不唯一的缺点,结合红外遥感图像超分辨......
在大反演范围内, 小波正则化反演(WRIM)是一种改进动态光散射(DLS)数据反演精度的有效方法, 但该方法对强噪声及双峰颗粒数据的反......
裂纹尖端变形场测量是定量研究材料断裂特性和行为的关键。基于子区的局部数字图像相关(Digital Image Correlation,DIC)目前应用......
Many algorithms have been proposed to find sparse representations over redundant dictionaries or transforms. This paper ......
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无线电波透视法是常用的工作面地质构造探测方法之一,目前煤矿上多采用基于射线理论的联合代数重建(SIRT)层析方法反演介质电磁波......
Bathymetry inversion using the modified gravity-geologic method: application of the rectangular pris
Bathymetry data are usually obtained via single-beam or multibeam sounding;however, these methods exhibit low efficiency......
A GMM (Gaussian Mixture Model) based adaptive image restoration is proposed in this paper. The feature vectors of pixels......
Electrical capacitance tomography (ECT) has been used for more than a decade for imaging dielectric processes. However, ......
We show the essential ability of sparse signal reconstruction of different compressive sensing strategies,which include ......
Multiuser detection can be described as a quadratic optimization problem with binary constraint.Many techniques are avai......
This paper provides principles and applications of the sparse microwave imaging theory and technology.Synthetic aperture......
Background:Restricted Boltzmann machines (RBMs) are endowed with the universal power of modeling (binary) joint distribu......
Fuzzy clustering has been used widely in pattern recognition, image processing, and data analysis. An improved fuzzy clu......
Principal Component Analysis(PCA)is one of the most important feature extraction methods,and Kernel Principal Component ......
针对传统人脸识别方法中识别精度不高,对人脸数据中存在的方向性和各异性特征处理效果不佳的问题,提出一种基于Lasso正则化的Gabor......
研究了反演区域陆地水储量变化的点质量模型方法,采用Tikhonov正则化方法解决了反演过程中参数估计病态问题。利用GRACE(gravity r......
联合地球重力场和海洋环流探测器(Gravity Field and Steady-State Ocean Circulation Explorer,GOCE)和重力恢复与气候实验(Gravi......
高效的反演成像算法是综合孔径微波辐射计的关键技术之一。由于综合孔径微波辐射计反演成像在数学上是病态的反问题,所以需要进行......
文中提出了一种广义变分正则化的红外图像噪声抑制方法,该方法采用p-范数代替目前广泛被采用的全变分范数作为正则项,构造了用于抑......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Consider a 1-D backward heat conduction problem with Robin boundary condition. We recover u(x, 0) and u(x, to) for to ∈......
Theoretical analyses and numerical experiments of variational assimilation for one-dimensional ocean
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的 探讨鼻咽癌放疗后患者应用规律化鼻镜随访后对并发症及生活质量的影响.方法 采用随机数字表法将83例鼻咽癌放疗后患者分为对......
This paper deals with a class of doubly degenerate parabolic equations,including as particular cases the porous medium e......
We consider the inverse problem to determine the shape of a open cavity embedded in the infinite ground plane from knowl......
REGULARIZATION OF AN ILL-POSED HYPERBOLIC PROBLEM AND THE UNIQUENESS OF THE SOLUTION BY A WAVELET GA
We consider the problem K(x)uxx =utt,0 ＜ x ＜ 1,t ≥ 0,with the boundary condition u(0,t) =g(t) ∈ L2(R) and ux(0,t) =0,whe......
Consider a backward heat equation in a bounded domain Ω R2 with the noisy data in theinitial time geometry. The aim is ......
In this paper,we consider the reconstruction of the wave field in a bounded domain.By choosing a special family of funct......
Based on the normalization of measurement data equations of the inverse scattering problem, a new regularization matrix ......
This paper presents a modified extended Bayesian method for parameter estimation. In this method the mean value of the a......
An intensity-based non-rigid registration algorithm is discussed, which uses Gaussian smoothing to constrain the transfo......
