查询词典 motion block

BMEICS synthesizes the character of block motion estimation and that of global search, diversity, and no prone to premature in immune clonal selection. It speeds up the process of motion estimation while maintaining the average with little loss.

该方法将块匹配运动估计问题的性质与免疫克隆选择算法所具有的全局搜索特性、解的多样性和不易早熟的特点相融合，在能够获得接近全搜索方法所得到的平均峰值信噪比的前提下，使得平均搜索点数大为降低。

Based on applying domain color, cylindrical distance and connectivity analysis to divide fields, static image features are presented for feature abstraction, such as color, texture, etc. it's also proposed dynamic video features to solve feature abstraction, which are based on applying the method of block motion estimation to build the field of video shot motion, such as motion texture, etc.

针对特征提取问题，本文在用主颜色、圆柱距离以及连通分析的方法实现比赛场地分割的基础上，提取了颜色、纹理等一组静态图像特征；在使用块运动估计方法建立视频镜头运动场的基础上，提取了运动纹理等一组动态视频特征。

This scheme was composed of two parts: intra prediction and inter prediction. For the intra prediction part, 8×8 block DCT-HT transform-domain converse was used, and then intra mode decision was done in HT domain to obtain the optimum mode, so that good intra prediction was acquired. For the inter prediction part, Motion Vector got from Variable Length Decoding in MPEG-2 stream was reused as Prediction Motion Vector of H.264, then motion prediction mode and search region were reset, so that better prediction result was acquired.

该方案中，帧内预测使用了8×8块的DCT-HT的变换域转换，然后在HT域进行Intra模式判决得出最优模式，从而得到理想的帧内预测；帧间预测重用了MPEG-2码流中变字长解码得到的运动矢量MV，作为H.264的PMV，通过重新设定运动预测模式以及搜索范围，从而获得较好的预测效果。

The shape information of surveillance objects is represented as macro-block coordinates. The temporal redundancy is eliminated by motion estimation within the surveillance region in the reference frame. Since the number of luminance levels is reduced due to enhancement process, the residual error of motion estimation is compressed with lossless entropy coding.

监控对象的形状信息表示为宏块坐标；监控对象之间的时间冗余通过运动估计来消除，但搜索范围限制在前一帧监控对象区域之内；由于增强处理使得监控区域的灰度级减少了，所以对运动估计的残差进行无损熵编码。

In order to reduce the computational complexity of the fast motion estimation and improve the performance of motion compensation,a block-matching algorithm of mixing diamond search and adaptive rood pattern search has been proposed.

为了减小快速运动估计算法的计算复杂度和改善运动补偿的性能，提出了一种基于菱形搜索和自适应十字模式搜索两种方法混合使用的块匹配算法。

In order to increase the computational speed of the motion estimation and to improve the image quality of the motion compensation in video coding, a multiresolution successive elimination block-matching algorithm was introduced.

为了提高块匹配运动估计的速度和精度，提出了多分辨逐步消除快速匹配算法。

After analysis to functionality and methodology of adaptive sampling to motion vectors field, several kinds of variable size block motion estimation algorithms in which quad-tree data structure was used to represent picture partition were compared.

分析了运动矢量场采样密度自适应选择的意义和实现途径，比较了用四叉树代表图像块分割的可变尺寸运动估计的几类方法。

Unfortunately, the advanced coding features including variable block-size motion compensation and multiple reference frames incur a considerable increase in encoder complexity especially when using the straightforward full search algorithm, mainly in regards to motion estimation and mode decision.

视频序列中，连续帧间的变化主要是由摄像机或者物体的运动造成的，目前主流的视频编码的实现，使用运动估计和运动补偿来去除连续帧之间的冗余信息。

An adaptive early termination search algorithm was proposed to reduce the computational amount of motion compensation in H.264 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。

The block artifacts in the block boundaries are reduced by applying overlapped block motion compensation method.

为了减少块边缘的失真，采用了重叠块运动补偿的插值方法。

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。