This paper proposed a two-step motion estimation algorithm to match a series of images.
提出了一种基于两步运动估计的系列图像匹配算法。
A fast block matching motion estimation algorithm for low bit rate video coding is proposed.
提出一个用于低比特率视频编码的快速块匹配运动估计算法。
Optimization of motion estimation algorithm is always hot issue in video compression codec field.
运动估计算法的优化一直是视频压缩编解的热点问题。
Predictive motion estimation algorithm is analyzed and software optimization technique is studied.
提出预测运动估计算法并研究软件优化技术。
Therefore, developing fast and efficient motion estimation algorithm has become a research hotspot.
因此,研究出高效快速的运动估计算法成为视频压缩领域的研究热点。
In this paper, a quasi full search method for the improved motion estimation algorithm is proposed.
提出了一种称为准全搜索法的块匹配改进算法。
All kinds of block matching motion estimation algorithm are summarized and classified in this paper.
本文介绍了各种块匹配运动估计算法并进行了总结和归类。
This paper proposes an adaptive rood pattern search, a new fast block-matching motion estimation algorithm.
该文提出了一种新的快速块匹配运动估计算法,即自适应十字模式搜索。
After analyzing some classical motion estimation algorithm, a new fast matching algorithm-Triple Cross Search is proposed.
在对现有的搜索算法进行分析的基础上,提出了一种改进的快速块匹配算法——三重十字形搜索算法。
The efficiency of the half pixel search is improved by using a paraboloid prediction based fast half pixel motion estimation algorithm.
为了加速半像素搜索,提出了一种基于抛物面预测的半像素快速搜索算法。
The fast integer pixel motion estimation algorithm for video sequences which are smooth, vary slowly and have many background blocks is discussed.
首先讨论了针对运动量较小的、包含有大量背景块的视频序列的快速运动估计算法,包括整像素和半像素快速算法。
A fast half-pixel motion estimation algorithm is proposed after analyzing three different mathematical prediction models based on concave functions.
分析了三种不同的凹函数预测模型,提出了一种适合硬件实现的运动估计快速半像素级搜索算法。
Studies on the motion estimation algorithm based on the new video coding standard H. 264 is one of the hot tasks in the present research area of H. 264.
基于新的视频压缩编码标准H.264的运动估计算法的研究是当前H.264研究领域的一个热门课题。
Experimental results show that the refined algorithm improves the accuracy in a changing scene, and maintains performance of motion estimation algorithm as well.
实验结果表明,改进算法在保持运动估计性能的同时,可提高场景发生改变时运动估计的精度。
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。
Aiming at the serial processing question existing in some typical search algorithms, this paper presents a fast motion estimation algorithm based on parallel processing principle.
该文针对传统搜索算法串行处理的缺点,提出了一种基于并行处理的快速运动估计算法。
Experimental results show that our algorithm can reduce the computational-complexity to 3% of fast full search motion estimation algorithm, with negligible PSNR loss and bit rate increase.
试验结果证明,该算法能够将计算复杂度降低到快速全搜索运动估计算法的3%,而PSNR和码率几乎与快速全搜索算法得到的结果相当。
Present a binocular vision-based motion estimation algorithm, this algorithm using binocular measurement method and points-corresponding motion estimation, is an estimate of explorer motion.
该算法利用双目测距及基于点对应的运动参数估计原理,求取探测器的姿态和位置信息。
The three-step search method is a commonly used fast motion estimation algorithm, but its initial step length is too big, thus the estimation effect of slow motion sequence is not so satisfactory.
三步搜索法是一种常用的快速运动估计算法,但由于它的初始步长太大而导致对缓慢运动序列的估计效果不能令人满意。
Motion parameter estimation play an important role in image matching, electric image stabilizing and image Mosaic, and the block-matching algorithm is the most used method.
运动参数估计在图像配准,电子稳像以及图像拼接中起着很重要的作用,其中块匹配算法是经常使用的一种方法。
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。
Block match algorithm is an important technology of motion estimation.
块匹配算法是运动估计中一项重要的技术。
The method is an adaptation of the "Superspike" image enhancement algorithm to motion field estimation.
本方法是对运动埸估计的增强峰值图象增强算法的一个改进。
Through testing many different Block Matching Algorithms in the motion estimation, the New Three Step Search Algorithm is chosen, which can fulfill the requirement of the system.
在运动估计中通过对多种块匹配算法进行实验,选择了一种可以满足系统要求的算法——新的三步搜索法。
In order to enhance motion estimation efficiency, this paper presents a new fast search algorithm.
为了进一步提高运动估计的效率,本文提出了一种新的快速搜索算法。
For video coding, the algorithm of motion estimation based on blocks is widely used.
在视频编码中,基于块的运动估计算法被广泛应用。
In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated.
本文研究了背景相减算法、差分法、基于光流场的运动估计和基于主动形状模型的目标跟踪算法。
In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated.
本文研究了背景相减算法、差分法、基于光流场的运动估计和基于主动形状模型的目标跟踪算法。
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