Cropping, panning and custom effects are easy with automatic key frames.
使用自动关键帧，裁剪、平移和自定义效果更容易实现。
Key frame animation is a kind of computer animation method. This method calculates frames between two key frames automatically according to kinematics and kinetics.
关键帧动画是利用计算机的运算能力，按照运动学和动力学的规律计算生成两个关键动作之间的运动动作序列的动画方法。
Defining offsets for key frames is optional.
为关键帧定义偏移量是可选的。
At first, the video clips are segmented into shots and the shot key frames are extracted.
该算法首先将视频分割为镜头，并提取镜头的关键帧。
The approach of retrieve key frames from video and then process them is an efficient way to process video data.
将视频序列通过关键帧提取的方式转换成静态图像，然后利用图像处理技术进行分析是视频处理的一种有效方法。
Body silhouettes are extracted by background subtraction, and cyclic gait analysis is performed to extract key frames.
用背景差方法得到运动人体的轮廓，通过步态周期分析提取步态序列的关键帧。
In this algorithm, the foreground objects and background are divided and then compressed separately. We only need to compress one or several background of key frames.
该方法先将视频序列分割出前景对象与背景对象，然后分别针对分割出来的前景对象与背景对象进行压缩，而此时背景就可以只压缩一帧或者关键几帧。
This thesis is based on the computer graphic study, doing research in the drawing and editing of vector graphic, animation key frames and the realization of cartoons.
本文主要在计算机图形学的基础上，研究了动画制作中矢量化绘图、编辑、动画关键帧插值技术以及动画的实现方法。
The shot key frames are classified by SVM and the frames constructing the video summarization are selected from the shot key frames of every class by the importance function introduced.
利用支持向量机对镜头关键帧进行语义分类，对每类镜头关键帧根据引入的镜头“重要性”函数提取构建视频摘要的帧。
To reduce computational complexity, the system captures the key-frames in fixed time interval.
为了减少计算量，本文采取了固定时间间隔提取关键帧的办法。
To reduce computational complexity, the system captures the key-frames in fixed time interval.
为了减少计算量，本文采取了固定时间间隔提取关键帧的办法。
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