该算法采用了简单快速的自适应空间域滤波和代数运算，提高了图像质量。
Simple, fast and adaptive spatial filtering and arithmetic operation are adopted by the algorithm and image quality is improved.
本文从非均匀介质中波动方程出发，提出了基于一般标架的相空间（局部角度域）波传播的步进算法。
A phase-space(local angle domain) marching algorithm of wave propagation is proposed in the general frame case, based on the wave equation for inhomogeneous media.
关于这种既适用于时间域，也适用于空间域的有限元素算法的计算机程序，正在设计之中。
A computer program for this finite element algorithm is being developed for both temporal and spatial dependence.
该方法将极化相似度量引入到局部极大值匹配算法中，有机地结合了散射中心特征点的空间域和极化域的信息。
By combining the polarimetry similarity and the local maxima match ATR algorithm, the method can consider both space and polarimetry information of the scattering centers.
多聚焦图像融合的算法较多，主要由基于空间域和基于频率域的图像融合法组成。
There are many multi-focus image fusion algorithms, mainly consisted of the spatial area based and the frequency area based algorithms.
而这些准则函数，经过一系列数学处理，可以把空间域的多准则的问题转化为频域处理，从而推出一种快速、有效的成象算法。
These functions can transfer multiobjective problem in spatial to in frequency domain by math treating, and derive a fast and efficient imaging algorithm.
本文基于人类视觉系统(HVS)的特性，提出了一种结合空间域和DCT变换域的数字水印新算法。
Based on the features of human visual system (HVS) a new watermarking algorithm that combines spatial and DCT domain is proposed for digital images in this paper.
在此基础上，讨论空间域数字水印算法、变换域数字水印算法以及对数字水印的攻击研究。
On the base, the algorithm of space domain and transform domain and research on the attacks on digital watermarking are discussed.
使用仿射变换内点回代技术的信赖域子空间算法解线性不等式约束的非线性优化问题。
We present an affine scaling trust region algorithm with interior back - tracking and subspace techniques for nonlinear optimizations subject to linear inequality constraints.
空间域水印算法比较简单，数据量较小，计算速度通常较快，但是信息隐藏的鲁棒性差。
Spatial domain watermarking algorithm is relatively simple, the volume of data is relatively small, computing speed is usually faster, but the robustness of the information hidden is poor.
在空间域不相干环境背景噪声的假设前提下推导出成像算法的点-扩展函数。
Under the assumption of spatially-incoherent ambient noise, an analytical expression for the point-spread function of the imaging algorithm is derived.
对MAP和POCS这两种空间域方法进行研究，总结了其基本思想与算法流程。
The basic theories and procedure of the MAP method and POCS method in spatial domain are summarized.
第三章主要论述基于空间域的数字图像复原算法。
Chapter three mainly deals with image restoration in the spatial domain.
这种算法是采用了均值量化的方法，把数字水印嵌入图像的离散小波域，可以检测在空间域和频率域的图像失真。
The watermark was embedded in the wavelet domain using the mean quantization method. This method can be used to detect the distortion both in spatial and frequency domain.
该算法根据支持向量域数据描述本身的特点，利用非高斯性来测量核空间样本接近球形区域分布的程度，并根据此测量结果来优化核参数。
According to the characteristic of SVDD, the proposed algorithm utilizes the non-Gaussian to measure how kernel samples approximate to a spherical area, and then optimize the kernel parameter.
当在频率-空间域进行计算时，相对于纯粹的时间-空间域有限差分算法有计算效率高、成像方便的优点。
Contrasted with the methods in time space domain, this one has high computation efficiency and is prone to image, because all its computation is in frequency space domain.
详细分析了动力显式算法中虚功方程的空间域有限元离散方法和有限元方程的时间域中心差分离散方法。
The spatial field FE discrete method of the virtual work equation and the time field central difference discrete method of the FE equation in the dynamic explicit method are described in detail.
设计了空间域和频率域加密算法。
Encryption algorithms in spatial domain and frequency domain are proposed.
基于空间域共轭梯度算法的盲目图像复原方法由于在复原过程中追求了充分平滑，使得复原图像中的边缘细节信息有所损失。
The restored image obtained by using the space domain conjugate gradient algorithm is too smooth and loses some information about the edge detail.
通过引入特征串的概念，算法较好的将空间域上常见的基于位修改和基于块均值的水印算法结合在一起。
The introduction of the concept of characteristic string, perfectly combines algorithms based on bit-change and algorithms based on block-mean.
本文分别介绍了基于图像灰度、颜色空间变换和变换域的三种图像融合算法。
This article introduced the image fusion algorithms of gray-scale-based images, color-space conversion and transformation domain respectively.
将人工神经网络（ANN）、广义猫映射及概率统计等知识相结合构造了一种图像空间域水印算法。
The paper, by adopting jointly Artificial Neural Network (ANN), general Amold mapping, and statistical methods, intends to formulate an algorithm based on image spatial domain watermark.
将人工神经网络（ANN）、广义猫映射及概率统计等知识相结合构造了一种图像空间域水印算法。
The paper, by adopting jointly Artificial Neural Network (ANN), general Amold mapping, and statistical methods, intends to formulate an algorithm based on image spatial domain watermark.
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