对块匹配算法产生的块效应进行了研究。
本文提出了一种利用象素块特征矢量的块匹配算法。
A block matching algorithm using block feature vector is proposed.
目前有许多较好的搜索算法提高了块匹配算法的效率。
Up to now, there have been many nice search algorithms to improve the efficiency of the block-matching algorithm.
本文提出了一种改进的用于电视信号运动估值的块匹配算法。
In this paper, an improved block matching algorithm for motion estimation of television signals is proposed.
文章提出了一种基于新颖的基于块匹配算法的图像运动估计算法。
This article proposed a novel motion estimate algorithm which is based on block-matching algorithm(BMA).
在此基础上,给出了一个新的块匹配算法——基于加权块匹配的修复算法。
On the basis of these algorithms, we present a new patch matching algorithm—restoration algorithm based on the weighting patch math.
块匹配算法是视频编码的关键技术,算法的效率直接影响了视频传输的质量。
In video coding, one of the key technologies is the block-matching algorithm, and its efficiency directly affects the quality of video transmission.
软件采用了适于流水线运算的块匹配算法,实现了对目标的快速定位和实时跟踪。
The system software uses a block match algorithm easy to flow computing and implements fast detecting and real-time tracking of the moving object.
在理解块匹配问题本质的基础上,系统地归纳总结了目前国内外现有的块匹配算法。
On the base of understanding for block matching problem in nature, a systematic summarize is made for all current block matching algorithm in the world.
首先利用灰度投影法得到相邻两幅图像的平移量,在此基础上再利用块匹配算法进行分块处理。
First, we calculate the translation between two images by gray projection algorithm, then we use the block-matching algorithm in the divided blocks.
新算法与全搜索块匹配算法相比,在重建图像质量方面是非常接近的,但却获得了几百倍的提速。
The new algorithm achieves very close quality compared to full search but with several hundred times speedup.
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。
After analyzing some classical motion estimation algorithm, a new fast matching algorithm-Triple Cross Search is proposed.
另外,该方法中抖动消除算法和光流计算方法使用同一块匹配算法,这样能有效地节省了算法的时间。
As well as, because the shake eliminating method and the optical flow computational method use the same block matching method, the algorithm can save the computing time efficiently.
以全搜索块匹配算法为例的实验表明,该算法在保持精度不变的前提下,运算量最终减少到8.72%。
Experimental data on full search block matching algorithm indicates that the proposed method keeps the accuracy while the computation load is reduced to 8.72%.
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。
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.
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。
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.
陷入局部最优是快速块匹配算法的固有缺陷,为了减少陷入局部最优的概率,详细讲述了块像素匹配的搜索模板与搜索步骤。
Local minimum is one of the inherent problems of block based matching. In order to reduce the chance of falling into this problem, the improved search templates and searching steps are introduced.
其运算量仅为基于梯度的可变形块匹配算法(GB-DBMA)的一半,但能得到更好的主客观预测质量,且更易于VLSI硬件实现。
NS-DBMA has only half computation amount of the gradient-based search algorithm (GB-DBMA) but gets better subjective and objective quality, and is much easier to implement by VLSI.
这种算法是在交叉块匹配法的基础上提出的,并且可用于提高其它几种快速块匹配算法的准确率。该算法运算量较小,运动估值的准确率较高。
It is based on the cross search algorithm, capable of improving the accuracy of some other quick matching algorithms, of high accuracy of motion estimation, and requires fewer calculations.
提出了基于四叉树分形编码的水印算法,通过在不同寻找区域中搜索最佳匹配定义域块来嵌入水印。
This paper proposes a watermarking algorithm based on quadtree fractal coding, which is to search for the optimized matched domain blocks in different regions and to embed the watermarking.
论文研究了传统的基于块匹配的立体图像编码方法,在此基础上,提出了一种新的利用亮度变化信息的自适应块匹配立体图像编码算法。
The dissertation proposes a novel adaptive block-size stereo image coding algorithm based on traditional block-based coding algorithm, which fully utilizes the information of intensity variety.
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。
A fast block matching motion estimation algorithm for low bit rate video coding is proposed.
为实现精准、快速的定位效果,阐述了以块匹配法为核心,基于序列图像的室内定位算法;
In order to achieve the result of exact and quick positioning, describe indoor position algorithm on block match of image sequence.
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。
All kinds of block matching motion estimation algorithm are summarized and classified in this paper.
视差估计与补偿是立体图像编码的关键问题,本文提出了一种基于交叠块匹配的视差估计与补偿算法。
Disparity estimation and compensation are vital tasks in stereo image coding. An algorithm for disparity estimation and compensation based on overlapped block matching is proposed in this paper.
试验证明,该算法能找到更精确的匹配块,进而增强纹理合成的效果。
Experiments show that the presented method produces more reasonable and credible synthesis results for the improved matching algorithm.
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 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.
该算法通过预测运动矢量较快地搜索到匹配块,减少了搜索次数,提高了搜索效果。
This algorithm improves search performance and reduces search steps compared with Diamond Search by prediction motion vector.
而光流场的各种计算方法中,块匹配光流算法的效果比较好。
Moreover, block matching algorithm is the better one in the computational methods of optical flow.
针对摄像机不稳定引起的图像序列抖动提出一种基于块匹配的全局运动估计与补偿算法,介绍了它在电子图像稳定(EIS)系统中的应用。
In response to image quivering caused by video cameras, an algorithm of overall motion estimation and compensation is proposed based on block matching. Its application is introduced in EIS system.
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