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实时视频图像α混合系统
Alternative TitleReal-time video image alpha mixing system
王玉良; 佟新鑫; 栗霄峰
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 21002
Country中国
Subtype实用新型
Status避重放弃
Abstract本实用新型涉及一种实时视频图像α混合系统,包括中央处理器,接收来自主机的图像素材数据,并经三态总线桥更新到非易失性存储器中;将非易失性存储器中的图像素材数据写入同步静态存储器;启动直接存储器访问模块将同步静态存储器中本地图像数据写入本地图像缓存;模数转换模块将模拟视频信号转换为数字图像数据;输入图像缓存用于缓存模数转换模块经模数转换后的输入图像数据;α混合逻辑模块将来自输入图像缓存的输入图像数据和来自本地图像缓存的待混合的本地图像数据进行图像合成;数模转换模块将合成后的图像转换为模拟视频输出。本实用新型成本低、速度快、实用性强,满足了机载、车载及手持录像系统的信息显示应用。
Other AbstractThe utility model relates to a real-time video image alpha mixing system, which comprises a central processing unit, wherein image material data from a host machine is received and is updated to a nonvolatile memory through a tristate bus line bridge, image material data in the nonvolatile memory is written into a synchronous static memory, a direct memory visit module is started for writing local image data in the synchronous static memory into a local image buffer memory, an analog to digital conversion module converters analog video signals into digital image data, an input image buffer memory is used for the buffer storage of input image data after the analog to digital conversion by the analog to digital conversion module, an alpha mixed logic module carries out image synthesis on the input image data from the input image buffer memory and local image data to be mixed from the local image buffer memory, and a digital to analog conversion module converts the synthesized image into analog videos to be output. The real-time video image alpha mixing system has the advantages of low cost, high speed and strong practicability and meets the requirement of the information display application of airborne, vehicle-mounted and hand-held recording systems.
PCT Attributes
Application Date2010-12-04
2011-08-17
Date Available2011-08-17
Application NumberCN201020641416.9
Open (Notice) NumberCN201937741U
Language中文
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/13513
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
王玉良,佟新鑫,栗霄峰. 实时视频图像α混合系统[P]. 2011-08-17.
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