First of all, original image is divided into blocks, each subgraph for integer wavelet decomposition, and then the binary image after scrambling embedding.
首先将原始图像进行分块,逐一对每块子图进行整数小波分解,然后将置乱后的二值图像嵌入到低频系数。
Integer to integer wavelet transform has a simple structure, needs no more storage space and is very easy to be implemented, which is suitable for image compression.
整数提升小波变换结构简单,不需要额外的存储空间,易于实现,在图像压缩中具有很好的应用价值。
The method of sparsely row-indexed storage has been used to compress large volumes of image data, on the base of integer wavelet transform constructed by lift scheme.
基于提升方法构造的整数小波变换,采用行索引稀疏存储方案,可以对海量影像数据进行高保真的压缩。
A new method combining integer wavelet transform and linear prediction technique for lossless compression of airborne multispectral imagery is proposed in this paper.
首先探讨了基于提升方案的整数小波变换,结合线性预测技术,提出了一种机载多光谱遥感图像的无损压缩方法。
This algorithm based on integer wavelet transform and set partitioning in hierarchical trees for controlling data's compression ratio and reconstruction difference expediently.
针对这一情况,提出了一种基于整数小波变换和多级树集合分割编码压缩新算法。
Data were embedded into the Least Significant Bit-plane (LSB) of high frequency CDF (2, 2) integer wavelet coefficients, which accorded with the principle of Human Visual System (HVS).
在图像的小波子带系数的最低位(LSB)嵌入隐藏数据,将数据嵌入到小波cdf(2,2)的高频子带系数中,符合人的视觉系统原理(HVS)。
It proves that it is feasible to apply the wavelet transformation to the detection of non-integer harmonics, thus, an effective means is provided for accurate detection of harmonics.
这表明了小波变换对于非整次谐波的检测和分析是可行的,从而为谐波的精确检测提供了有效的手段。
The wavelet function is such a function which possesses good localization characteristics, so theoretically it can be applied to the detection of non-integer harmonics.
小波函数是具有时域和频域良好局部化特性的函数,理论上可以用于非整次谐波的检测。
Arbitrary shape region of interest lossily and losslessly coding technology based on integer-to-integer shape adaptive discrete wavelet transform has also been studied.
研究了基于整数到整数形状自适应离散小波变换对任意形状感兴趣区域的有损和无损编码技术。
The definition of the multivariate nonseparable biorthogonal wavelet packets associated with arbitrary integer-valued dilation matrix is given. An algorithm for constructing them is presented.
给出具任意整数矩阵伸缩的多元不可分双正交小波包的定义及其构造算法。
The definition of the multivariate nonseparable biorthogonal wavelet packets associated with arbitrary integer-valued dilation matrix is given. An algorithm for constructing them is presented.
给出具任意整数矩阵伸缩的多元不可分双正交小波包的定义及其构造算法。
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