而若又以封装的型态来区分，则可分为Lamp型、光耦合器(Photo-Coupler)、光续断器(Photo-Interruptor)、编码器(Motion-Encoder )、数据连结器(Data-Link)等产品，其原理及应用分别阐述如表二。
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Motion Estimation plays a very important part in video encoder, which accounted for more than 50% of the amount of coding.
运动估计是视频编码器的重要组成部分，占整个压缩编码50%以上的计算量。
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。
Microprocessor, dedicated motion controller and driver, optical electronic encoder were used to realize servo closed-loop motion control.
采用微处理器、专用的运动控制和驱动芯片以及光电编码器实现了机器人关节的伺服闭环运动控制；
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