MPEG作为运动图象及伴音的通用国际标准,其应用十分广泛。
MPEG is applied extensively as a general international standard for moving picture and associative audio.
图象跟踪是运动图象处理中的关键环节,但是如何在强噪声下实现快速有效的图象跟踪却一直是难点。
Image tracking is a key part of moving image processing but it is difficult to achieve fast and efficient image tracking in a highly noisy background.
运动目标检测与跟踪是应用视觉和运动图象编码研究领域的一个重要课题,在许多领域有着广泛的应用。
Moving objects detection and tracking is one of the most important issues in applied vision and moving image coding and has wide applications in many fields.
帧频转换对于静止图象采用最近帧复制的方式进行插值,对于运动图象则分别采用运动矢量内插及自适应运动补偿方法进行图象内插。
For frame rate convertion, the nearest frame is copied to interpolation for still image, for motive image motion vector interpolation and adaptive motion compensation are respectively used.
该算法由于利用了序列图象运动矢量的空间分布特性—中心偏置分布特性,可以明显地将搜索次数降低到(25 -55)次。
Based on the image sequence's spatial characteristics of center-biased motion vectors, this method can significantly reduces the search times to (25-55).
它是一种形式的技术,使得你射击,商店,并下载仍图象或全运动视频与音频到你的计算机系统。
It is a form of technology which enables you to shoot, store, and download still photos or full-motion video with audio into your computer system.
讨论了主轴径向误差运动园图象的分析处理和评定方法。
The analysis, treatment and evaluation method are discussed about the POLAR PLOT of shaft radial movement deviation.
本文在分析立体图象序列的视差矢量与运动矢量之间的相关性的基础上,提出一种基于MPEG - 2的立体视频编码中的视差匹配快速算法。
On the basis of analyzing the correlation between disparity vector and motion vector, a fast disparity correspondence estimation algorithm for stereo video coding, based on MPEG-2, was presented.
你将学习使用高级蒙板和运动渐变来建立一个滑动图象效果和变换。
You will learn to create a slick image effects and transitions using advanced masking and motion tweening.
接着介绍这方面的国际标准,即ISO-JPEG对静止图象、CCITT-H.261对可视会议电话、ISO-MPEG对全运动电视拟订的三种压缩编码标准。
Then, the paper introduces the international standards for digital compression, including ISOJPEG for still pictures, CCITT-H. 261 for video conferencing, and ISO-MPEG for full motion video.
论文采用奇偶场矫正、反向滤波、多项式矫正和直方图平衡等方法,提出一个运动退化图象恢复的综合方案。
Then, they workout a restoration and enhancement scheme for linear motion degradation image by using inverse filter, geometric rectification and cubic spline interpolation.
最后利用序列图象中目标运动的连续性和轨迹的一致性来筛选出真正的目标。
According to motion continuity and motion trajectory consistency in multi-frame successive image, the true small targets can be filtrated from candidate small targets.
为了正确检测出运动区域,提出了自适应的背景图象适应外界环境变化的跟踪过程。
To detect moving region , it advances an adaptive background image to adapt to the varying environment in the tracking process.
最后利用序列图象中目标运动的连续性和轨迹的一致性来筛选出真正的目标。
Finally filtrating the true targets according to the principle of moving continuity and trajectory consistency of moving target in the image sequences.
利用图象序列来检测、识别和选择运动飞机目标,对于诸如航空管制和防空系统有着十分重要的意义。
Detection, identification, and selection of moving target through image sequence are very important to Air Traffic Control System and Air Defense System.
本文给出了一维单峰映象混沌运动关联函数与记忆函数数值计算的公式、方法及结果,并对其物理图象进行了分析。
A numerical calculating formula, the method and the results of correlation and memory functions of chaos motion for one-dimensional unimodal map are given, and both physical graphs are analysed.
电影技术中,在一个装置上重显的一系列静止图象,因人眼有视觉暂留特性,这就给人以连续运动的主观印象。
In filming, a succession of still images which gives the subjective impression of motion when used in a device which maintains persistence of vision.
另外,图象拼接可以自动并直接从获得的图象的进行,不需要知道摄像机的运动和任何摄像机内部参数。
Additionally, the image mosaicing can be done automatically and directly from images without knowing camera motion and any intrinsic parameters of camera.
本文中作者提出了一种新的基于鲁棒统计的快速线搜索方法,可以用于图象帧间主运动估计,能够提高算法速度。
A new rapid line search method based on robust statistics is presented in this paper, which could be used in global motion estimation between consecutive video frames for speeding up objective.
本文主要分析采用数字式测量时,标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
运动目标的检测与跟踪是紧密关联的两个过程,跟踪始于检测,而目标在后续图象序列中的重复检测也有助于目标的跟踪。
These two processes are closely related because tracking usually starts with detecting objects, while detecting an object repeatedly in subsequent image sequence is often necessary to verify tracking.
用基于图象的视觉伺服方法来预测特征点在图象平面的运动轨迹。
Trajectories of feature points on image plane were predicted by image-based visual servo method.
当目标在传感器视场中交叉运动,图像相互重叠时,得到由两个目标形心位置线性组合的融合后的图象测量方程。
When the overlap of target occurs, the resulting centroid measurement of distributed image is a single merged measurement which is a linear combination of the centroids of individual targets.
本文提出了将一种快速变换(r变换)用于对运动目标的二维图象进行形状分析的方法。
This paper presents a method which can be used for the shape analysis of two-dimensional image of a moving object in terms of the fast transformation (r transformation).
文章提出一种基于高阶累积量的序列图象运动目标检测方法。
This paper presents a new method for the detection of moving targets from image sequence based on high-er-order cumulants.
不同差分方法下的实验结果表明,这种基于差分图象的运动目标检测框架是行之有效的。
A great deal of experiments in the case of different difference show that this framework is effective.
本文介绍了微机序列图象运动分析系统,并讨论了定量分析中的解析算法,最后用实例介绍了在汽车碰撞试验中序列图象运动分析方法的实施。
An analytical algorithm for quantitative analysis is discussed. At last, examples are given to illustrate the implementation of image motion analysis method in vehicle impact test.
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。
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.
对于运动造成的图象模糊问题,传统方法是根据运动成像模型分析得出的差分算法进行恢复。
With the problem of blurred image caused by object motion, traditional difference algorithm based on analyzing the model of moving image was generally adopted to recover the blurred images.
文章研究光学镜头摄像机线性运动物体退化图象的恢复问题。
This paper deals with restoration and rectification of linear motion degradation image from lens camera.
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