Study of Scalable Video Coding Based on Lifting Wavelet Motion Compensation Technology;
现有的比较成熟的可伸缩编码框架是基于运动补偿时域滤波技术的。
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。
The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.
基于随机分形理论,采用分数布朗运动模型,应用R/S分析技术和基于小波变换的谱参数估计方法计算地震道信号的赫斯特指数。
In allusion to the characteristic that Geocentric motion is piled up by several periodic motions, the spectral analysis by wavelet and ar were discussed in turn in this paper.
针对地球质心运动主要是由多种周期运动叠加的特点,依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
An efficient scheme for video coding is presented which utilizes progressive fractal coding, called wavelet-based fractal approximation (WBFA), and motion compensation (MC).
利用改进的分形编码提出了一种有效的视频编码方法,称作基于小波分形逼近(WBFA),和运动补偿(MC)。
This paper discusses the feature of redundant discrete wavelet transform and proposes an irregular triangular mesh design method in wavelet domain for motion compensation in wavelet video codec.
在深入研究视频图像冗余离散变换特征的基础上,提出一种用于视频编码运动补偿技术的小波域不规则三角形网格构造方法。
This paper makes a deep insight into two problems of object-based fine granular scalable video coding in the wavelet domain, namely video object coding and motion estimation techniques.
本文对基于对象的小波域视频细粒度可分级编码中的两个关键问题,即视频对象编码和运动估计技术进行了深入研究。
The original motion mask image can be extracted from the high frequency frames which resulting from temporal decomposition of the original video sequence by wavelet transform.
将视频序列进行时间轴一维小波变换,利用变换后的高频帧信息提取出初步的运动掩模图像;
On the base of a great deal of reference literatures, intelligent PID control algorithm of ship roll motion based on dyadic wavelet neural network has been proposed.
在研究大量参考文献的基础上,本文提出了船舶横摇运动基于二进小波神经网络整定的智能PID控制算法。
The ground motion time function is a kind of time serial signals, which is a highly varying and nonstationary randow procedure and fit for wavelet analysis.
地震动是由于地震引起的地面运动,其时间历程函数表现为具有突变特征的非平稳随机过程,因此更适于利用小波变换进行频谱分析。
Motion compensated temporal filtering is an essential component in deciding the coding performance of an interframe wavelet system.
移动补偿时间滤波是一个在决定编码的表现非常重要的要素。
For example, a deep understanding of Fourier analysis or wavelet can give much different understanding of wave motion or technique of imaging.
举例而言,对付立叶分析的理解越深入,我们就更能理解波的运动及图像的技巧。
In the scheme, 2-d motion vectors are obtained by a variable block-size multiresolution motion estimation algorithm and motion estimation is realized in the wavelet domain.
在该编码方案中,运动矢量的获取采用了可变块大小的多分辨运动估计算法,运动估算在小波域中进行。
A group of pictures(GOP) consisted of several successive frames was decomposed by motion-compensated temporal filtering(MCTF) to support temporal scalability by using subband/wavelet transform.
运动补偿时域滤波(MCTF)将若干连续的视频帧组成一个图像组进行时域小波分解以获得时域可分级性。
A group of pictures(GOP) consisted of several successive frames was decomposed by motion-compensated temporal filtering(MCTF) to support temporal scalability by using subband/wavelet transform.
运动补偿时域滤波(MCTF)将若干连续的视频帧组成一个图像组进行时域小波分解以获得时域可分级性。
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