permuted

When the sources contain interpolated images, a novel blind separation method based on interpolation factors estimation is proposed for permuted interpolated image.

在假定置换混叠图像中包含插值图像的基础上，提出了一种插值因子估计算法来实现插值放大置换混叠图像的盲分离。

Various sources of images make the permuted alias image diversity.

源图像的来源不同，构成的置换混叠图也具有多样性。

The watermark sequence was permuted pseudo_ randomly first, and then the watermark was embedded in the larger coefficients of middle frequency range detail signal adaptively.

它先对水印序列进行伪随机排序，然后自适应地把水印嵌入到原语音信号小波分解中等尺度绝对值较大的分量上。

Firstly the original image is divided into several macro blocks in the light of certain size, and macro block within each row are permuted.

提出了一种基于二次置乱的图像加密算法，该算法将图像按一定的大小划分成若干宏块，对每一行的宏块进行置乱。

It involved a scrambling system in which time segments were permuted, by means of nine magnetic heads simultaneously reading a magnetic tape.

这是一个扰乱式的加密系统，它用9个磁头同时对磁带进行读写，从而将时间片段打乱顺序。

In the improved means, AC coefficients are permuted by different permutation list. DC coefficients are encrypted with AES algorithm.

改进的方案中AC系数用不同的置乱表置乱，DC系数用高强度的加密算法AES加密。

When the sources are blurred images, two novel single-channel blind separation algorithms for permuted blurred image are proposed by using blind restoration.

在源信号为模糊图像的条件下，利用模糊置换混叠图像的频域特性估计出模糊参数，提出了两种基于盲复原的盲分离方法。

An algorithm about permuted alias image blind separation based noise detection is proposed according to a class of permuted alias image with noise difference.

针对这类在被置换区域和置换区域之间存在噪声差异的置换混叠图像，提出一种基于噪声检测置换混叠图像盲分离算法。

Sparsity representation model of permuted alias image is obtained by its mathematical model.

首先，根据这类置换混叠图像的数学模型，得到其稀疏表示的模型。

A blind separation algorithm based on differential evolution is proposed for a type of permuted alias image with gaussian blur difference.

针对一类存在高斯模糊差异的置换混叠图像，提出基于差分进化的高斯模糊置换混叠图像盲分离。

Computer descriptors permuted index system

计算机叙词轮排索引系统

This dissertation proposes methods of blind separation in various characteristic domain for various type of permuted alias images.

本文针对不同类型的置换混叠图像，在不同的特征域提出了置换混叠图像盲分离方法。

Then, the masked watermark is used to modify the 4th, 5th, or 6th bit of the corresponding pixels in the permuted image.

其次，将加密水印嵌入到变换图像位平面的第4、5、6位；

Differential image of permuted alias image is divided into sub-blocks which is randomly assigned a threshold and all the thresholds formed a threshold vector.

把置换混叠图像的梯度图像分成小块，并为每个小块设定一个阈值，组成一个阈值向量。

Four differential images in four directions are obtained by four direction operating of permuted alias image.

对置换混叠图像做四向差分运算，得到四个方向上的差分图像。

The key of detecting and seperating permuting images is to find characteristic difference, which can be shown when permuted alias image is projected on a characteristic domain.

检测和分离出置换图像的关键是找到置换图像和被置换图像之间特征差异，即找到显现特征差异的特征域。

In this dissertation, we investigate the BSS problem of the permuted image and introduce the thought into image tamper detection.

本文围绕置换混叠图像的盲分离问题展开研究，并将这种置换盲分离思想引入到图像篡改检测研究中，为目前广泛研究的图像被动取证提供新的解决方案。

The post display relation refers to the relation between the sentences created after the permuted descriptors and the topics of the indexed literature.

后显关系是在后组式检索系统中，主题词轮排后产生的诸语句与被标引文献主题之间的关系。