A video sequence possesses not only spatial properties like images, such as color, edge, texture, but also temporal properties, namely, the motion information.
视频数据除了具有与图像一样的空间特性外(如颜色、边缘和纹理等),还具有时序特性,即视频中存在运动信息。
Motion vectors are dealt with temporal average filter and a spatially weighted vector median filter.
同时对运动矢量在时域上进行平均,在空域上进行带权矢量中值滤波处理。
A new error temporal concealment algorithm for recovering the loss or erroneously received motion vectors is presented.
提出了一种新的时域误码掩盖算法,能更准确地恢复误码块丢失的运动矢量。
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;
In the detection of motion objects, a method based on movement feature of target (catenary) is proposed. It combines temporal differential method and template matching in image sequence data.
在检测运动物体方面,根据检测对象(接触线)的运动特征提出了一种对图像序列数据采用时态差分法与模板匹配相结合的检测方法。
These common motion parameters are used for generating a default temporal prediction without the need to transmit related motion vectors from the encoder to the decoder.
这些公共运动参数用于在不需要将相关的运动参数从编码器传输至解码器的情况下,生成默认时间预测。
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。
Scalable video coding based on MCTF (motion compensated temporal filtering) has been thought of as the important study field for it's validity of removing temporal correlation.
基于运动补偿时间滤波的可伸缩视频编码因其能有效去除时间相关性,而成为视频标准组织目前研究的热点。
Then we restore the missing pixels with implicit motion model making full use of the relevance of temporal and spatial domain according to the accuracy.
然后根据准确性,通过隐藏运动模型充分利用丢失块的空域和时域相关性进行差错块的掩盖。
Motion compensated temporal prediction is well-known for redundancy reduction in video signal compression.
运动补偿时间预测已知用于视频信号压缩中的冗余降低。
A scheme of variable block size Multiresolution Motion Estimation (VBMRME) is presented in this paper, which reduces temporal redundancy between pictures of the image sequence.
提出了一种基于小波变换的块大小可变的多分辨率运动估计方法(VBMRME),以减少图象间的时间冗余。
Background of image is corrected by using the current frame for motion compensation based on temporal integration.
当前帧与校正后背景图像作差得到差分图像。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程,并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
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。
应用推荐