1) character-overlapping
字符叠加
1.
The design of character-overlapping device in video supervision system of community;
社区视频监控系统中字符叠加装置的设计
2.
It can display the whole sight behind the vehicle,while showing the distance of the nearest obstacle over the video image automatically with the character-overlapping technology and alarm the danger.
该文设计了一种基于Intel PXA270硬件平台的嵌入式可视倒车装置,简要介绍了车内主系统的设计方案,详细设计了车尾视频图像采集、超声波测距电路,定制了嵌入式Windows CE操作系统,并通过字符叠加技术,将汽车与尾部障碍物之间的距离显示在车后全景的视频图像上,并在进入危险距离时提供语音报警功能。
3.
By using technique of character-overlapping and the theory of infrared wireless transmission, a system that can enhance the Laser Range Finder system s function is developed in this dissertation.
视频字符叠加技术是视频信号处理中的重要组成部分，而红外无线短距离传输技术是近年来迅速发展迅速的一项技术。
2) Character Superimposition
字符叠加
1.
The Accomplishment of the Character Superimposition on the Analog Image;
模拟图像字符叠加控制的实现
3) OSD
字符叠加
1.
The collection ,displaying,OSD ,encoding and decoding of image data are of most great importance in establishing the video watch and control system , and it is the transmitting data in real time or not,the compression ratio and the quality of image that directly determine the performance of whole system .
图像数据的采集,显示,字符叠加,压缩解压缩等技术是构建视频监控系统的关键,图像数据传输的实时性,压缩码流速率的大小,图像质量的优劣等因素共同决定了监控系统的性能。
2.
The collection and displaying of image data,the encoding and decoding,OSD and the technique of CPCI data transmitting together integrate this system,are realized.
研究了基于 DM642的实时图像编解码系统,实现了图像的采集、编码、CPCI 传输、解码、实时显示、字符叠加。
4) on-screen display
字符叠加
1.
Through the controlling of a high-performance microcontroller to on-screen-display controller,video coder and decoder,video compressor/decompressor,CF card and CPLD video controller,the function of on-screen display,image compression,storage and playing back is realized.
以高性能单片机为核心,分别控制屏显器件、视频编解码器件、压缩/解压缩器件、CF卡和CPLD视频控制器,实现了字符叠加、视频图像压缩存储以及回放等功能。
5) character adder
字符叠加器
1.
In this paper we presents the hardware and software design of a new character adder using IC chip μPD6453.
通过用字符叠加器芯片μPD6453设计了一种新型的字符叠加器,介绍了其硬件电路设计和软件设计,该系统已成功应用于煤矿监测监控系统中,具有显示字符稳定、可靠性高、实用性强等优点。
6) on screen display (OSD)
字符叠加(OSD)
补充资料：波的叠加原理
物理学的基本原理之一。介质中同时存在几列波时，每列波能保持各自的传播规律而不互相干扰。在波的重叠区域里各点的振动的物理量等于各列波在该点引起的物理量的矢量和。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条