With the development of society, the increasing demands of the watermark, the watermark embedding algorithm based on wavelet transform everyone's accreditation.
跟着社会的发铺,对水印的请求越来越高,应用小波变换嵌入水印的算法显明得到大家的认可。
The authors present a new algorithm for block-matching motion estimation based on wavelet transform. The simulation shows that this algorithm has better PSNR and performance-to-complexity ratio.
提出了一种基于小波变换域的块匹配运动估计搜索的新算法,模拟实验表明,利用此算法可获得比一般运动块匹配方法更大的峰值信噪比,具有更好的性能复杂度比。
On the basis of evaluation function of using image intensity variance, we proposed a new auto-focusing algorithm by means of Wavelet Transform Multi-Resolution Analysis(WTMRA) theory.
在传统图像灰度方差评价函数的基础上,利用小波多分辨率分析,提出了一种新的自动聚焦算法。
In this paper, a multipurpose image watermarking algorithm based on chaos and DWT (Discrete Wavelet Transform) is proposed.
提出了一种基于混沌的DWT域多功能图像数字水印算法。
The algorithm USES forward linear prediction and the ability of the interval wavelet transform to restrain terrible edge effects, thus, the Angle walk and engine jamming are reduced effectively.
该算法利用前向线性预测技术以及区间正交小波变换抑制边界效应的能力,有效地减小了角随机游走和发动机干扰。
Based on different properties of the coefficient modulus of the signal in different scale wavelet transform, conjunction the best estimate of gradient algorithm an edge detecting method is proposed.
基于信号在不同尺度下小波变换系数模不同的变化特征,结合最优梯度估计算法提出了一种边缘检测方法。
General functions may be represented as Wavelet series. A kind of stabile, efficient and fast algorithm of Wavelet transform may be gotten through multi-resolution analysis.
一般函数都可以写成小波级数的形式,而由多分辨分析可得到小波的稳定有效快速变换算法。
On the assumption of wavefront prolongation, a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.
在常规横向剪切干涉仪的基础上,利用波前周期延拓的假设,基于小波变换的方法实现了波前重构。
In this article, the linear magnitude predictor of wavelet packet decomposition coefficients, the creation algorithm of images characteristics based on wavelet packet transform have been introduced.
该文建立了自然图像的小波包分解系数绝对值线性预测模型,提出了基于小波包变换的图像特征形成算法。
In this paper, we particularly explain the basic principle of orthonormal wavelet Transform by multiresolution and wavelet decompose and give a realization algorithm.
本文详细介绍了通过多分辨分析和小波分解实现正交小波变换的基本原理,并给出了实现算法。
The phase information of wavelet transform used in the algorithm is invariant with respect to flat fading, and can resist multipath fading of frequency-selecting channel in quite a few degree.
算法所用的小波变换相位信息特征对平坦衰落信道具有衰落不变性,对频率选择性衰落信道也具有很强的抗多径能力。
By studying three dimensional discrete wavelet transform (3d DWT) core algorithm in deepness, the paper divides it into three one dimensional discrete wavelet transforms (1d DWT).
通过深入研究三维离散小波变换(3dDWT)核心算法,将其分解为3个一维的小波变换(1d DWT)。
As a new signal processing method, wavelet transform has been widely used on DSP, for it can analyze signal with multi-resolution and has efficient algorithm.
小波变换作为一种新型的信号处理方法,因其可以对信号进行多分辨率分析并有高效算法,所以在DSP上得到了广泛应用。
A new feature algorithm is proposed based on wavelet transform in HSI space to obtain a feature vector with combining information of color, texture and scale.
提出了基于小波变换的HSI空间的彩色纹理墙地砖图像的特征提取新算法,得到具有颜色、纹理和尺度融合信息的特征矢量。
The algorithm improves the EZW algorithm through inducting fast successive approximation quantization and effective treatment of marginal subband of wavelet transform.
该方法通过引入快速逐次逼近量化和对小波变换边缘子带的特殊处理,对EZW算法进行了改进。
Regarding the fact that space target recognition is a challenging research problem, this paper proposes a space target recognition algorithm based on the two-dimensional wavelet transform.
对于空间目标识别这个具有挑战性的研究课题,提出了基于二维小波变换的空间目标识别算法。
A scene matching algorithm based on complex valued wavelet transform is discussed in this paper. We propose an effective scene matching model based on this algorithm.
讨论了一种基于复数小波变换的景像匹配算法,并以此算法为基础给出了一个高效的景像匹配模型。
An error robust multiple description coding algorithm was proposed, which combines the overcomplete wavelet transform and projection onto convex sets (POCS).
结合过完备小波变换和凸集投影集(POCS)算法,提出了一种对信道差错鲁棒的多描述编码算法。
Based on the analysis of wavelet packets and traditional adaptive equalization, an adaptive equalizer structure and its adaptive algorithm, based on wavelet packets transform, are presented.
在分析小波包和传统自适应线性均衡的基础上,提出了一种基于小波包变换的自适应均衡器结构,并给出了相应的自适应均衡算法。
The purpose of this paper is to develop a segmentation algorithm for digital image sequence based on spatiotemporal continuous wavelet transform(CWT).
从运动分析的角度出发,对所研究的图像序列,提出了一种基于空域—时域连续小波变换(CWT)的模糊分割算法。
A modulating fusion algorithm based on wavelet transform is advanced. The low light level image and infrared image are fused using contrast modulating and gray level modulating method.
提出了一种基于小波变换的微光图像与红外图像的调制融合算法,用对比度调制与灰度调制方法分别对微光图像与红外图像进行了融合处理。
The advantages of wavelet transform constructed with lifting scheme are introduced and compression algorithm based on lifting wavelet for SAR raw data is proposed.
该文介绍了提升方法构造小波变换的优点,结合SAR原始数据的特点,提出了基于提升小波变换的SAR 原始数据压缩算法。
In performance and visual quality, the algorithm is better than the wavelet denoising based on discrete orthogonal wavelet transform and the conditional median value filtering method.
算法在性能指标和视觉质量上均优于基于离散正交小波变换的阈值去噪方法和传统的中值滤波法。
According to the characteristics of PDF417 and the lifting wavelet transform, a digital image watermark algorithm based on PDF417 and lifting wavelet is proposed in this paper.
根据PDF417与提升小波变换的特点,提出一种基于PDF417和提升小波变换的数字图像水印算法。
A new image blind watermarking algorithm based on adaptive quantization step in discrete wavelet transform (DWT) is proposed, which can be used in copyright authentication.
提出了一种可用于版权认证的基于小波变换域自适应量化步长的图像盲水印算法。
The properties of the wavelet transform and the discrete dyadic wavelet transform are discussed and a fast wavelet algorithm for one-dimensional signals is described.
论述了连续小波变换和离散小波变换的性质、方法,介绍了离散二进小波变换的快速算法。
Wavelet packet theory is employed to adaptive multiuser detection, and wavelet packet transform based adaptive multiuser detection algorithm is presented in this paper.
在分析传统自适应多用户检测的基础上,提出了一种基于小波包变换的自适应多用户检测算法。
In the purpose of recognizing and tracking targets from infrared thermal images, an infrared image processing algorithm based on mathematical morphology and wavelet transform was presented.
为了从红外热图像中识别和跟踪目标,提出了一种采用数学形态学和小波变换相结合的红外图像处理新方法。
The algorithm makes use of wavelet transform to divide the wavelet space, which shows that the wavelet transform has a better decorrelation ability and leads to better convergence.
与通常的自适应多用户检测算法相比,该算法利用了小波变换对小波空间进行了分解,信号经小波变换后自相关性会下降,收敛速度提高。
The algorithm makes use of wavelet transform to divide the wavelet space, which shows that the wavelet transform has a better decorrelation ability and leads to better convergence.
与通常的自适应多用户检测算法相比,该算法利用了小波变换对小波空间进行了分解,信号经小波变换后自相关性会下降,收敛速度提高。
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