查询词典 motion block

By analyzing the characteristics of CCD noise and taking into account the impact of video noise upon Sum Norm Difference and Sum of Absolute Difference of a macro-block,a Noise Variance Adaptive two-stage Successive Elimination Algorithm for block motion estimation is presented.

通过分析CCD 噪声的特点以及噪声项对宏块的和范数差值与绝对差值之和所产生的影响，研究了一种应用于噪声视频的两阶段连续消除算法。

A novel variable block-size block-matching motion estimation algorithm using multiple hexagon search patterns is presented.

针对快速块匹配运动估计，提出了一种基于可变分块尺寸的多模板六边形搜索算法。

An adaptive early termination search algorithm was proposed to reduce the computational amount of motion compensation in video coding brought about by the variable block-size motion estimation .

为了解决H.264可变大小块运动估计技术使得运动估计运算量剧增的问题，提出了一种自适应提前终止搜索算法。

Improved algorithm greatly reduced for those zero motion vector search block redundancy, Meanwhile, more intense campaign of direct access to block large-scale search.

改进后的算法大大减少了对于那些运动矢量为零的块的搜索冗余，同时对于运动比较剧烈的块直接进入大范围搜索。

An adaptive motion estimation algorithm named RAME is proposed in this paper, which has improved the accuracy of the prediction. RAME and the variable-size-block binDCT are used in motion regions. It has improved the image quality in these regions.

首先，采用背景减法进行运动目标检测，对运动区域，本文提出了一种高精度的自适应运动估计算法-RAME，采用RAME和可变尺寸块的birtDCT编码运动区域，增强其图像质量。

The temporal segmentation localizes moving objects by comparing the motion vector of each block in each frame with the corresponding global motion vector.

为了减小分割算法的计算量，第六章根据第五章所分析的空时融合分割算法的技术难点，提出了一种基于时空补偿的空时融合分割算法。

The algorithm first makes motion estimation in spatial/temporal domain and obtains motion vectors for each prediction block.

该文提出的算法先在时空域进行运动估计，得到预测块的运动矢量。

Second, an analysis of the algorithm of the MDC of Motion Fields based on the Overlapped Block Motion Compensation is further done in this paper.

然后，本文对基于重叠块运动补偿的多描述运动场编码算法进行了较为深入的分析。

The fast motion estimation algorithms are classified by the approaches of how to accelerate the search process, and the in-depth study of the fast block matching motion estimation algorithm based on search pattern is performed in this paper.

本文提出了依据提升搜索速度的途径对运动估计快速算法进行分类的方法，并对基于模板块匹配的运动估计快速算法进行深入的研究。

After comparison and summing up of available fast block matching motion estimation algorithms, an adaptive motion estimation searching algorithm was proposed.

在综述和比较块匹配运动估计快速算法的基础上，提出了一种自适应的块匹配运动估计混合搜索算法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。