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采样保持装置
Alternative TitleSamplnig preservation device
王庆山
Department光电信息技术研究室
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司
Country中国
Subtype实用新型
Status未缴年费
Abstract本实用新型涉及图像处理技术,具体地说是一种用于图像处理的采样保持装置。由第一采样保持器、第二采样保持器、比较器、反相器组成,视频信号、视频行同步信号经第三选择开关及箝位电阻分别与第一采样保持器、第二采样保持器相连;目标信号的前采样脉冲作为第一采样保持器的输入信号,目标信号的后采样脉冲作为第二采样保持器的输入信号;第一采样保持器、第二采样保持器输出端与比较器连接,比较器输出经反相器输出至第二选择开关或直接至第一选择开关,输出电平是目标信号的背景信号。采用本实用新型可使被提取的目标信号无论在何种复杂背景的情况下均可以输出一个稳定背景电平,并能稳定地将目标信号分离开来。
Other AbstractThe utility model relates to an image processing technology, in particular to a sample holding device of the image processing, comprising a first sample retainer, a second sample retainer, a comparator and an inverter. A video-signal and a video synchronous signal are respectively connected with the first sample retainer and the second sample retainer by a third selection switch and a clamped resistance. The front sampling pulse of a target signal is the input signal of the first sample retainer and the back sampling pulse of the target signal is the input signal of the second sample retainer. The output terminals of the first sample retainer and the second sample retainer are connected with the comparator which outputs by the inverter outputting to the second selection switch or directly to the first selection switch. The output level is the background signal of the target signal. Under the situations of any complicated backgrounds, the utility model uses a distilled target signal to output a stable background level and stably separate the target signal.
description.patentprioritydataCN20032084534U
PCT Attributes
Application Date2003-07-29
2004-09-01
Date Available2004-09-01
Application NumberCN03284534.0
Open (Notice) NumberCN2638357Y
Language中文
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/13445
Collection光电信息技术研究室
Affiliation中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
王庆山. 采样保持装置[P]. 2004-09-01.
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