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奶牛體型評(píng)定三維圖像同步采集系統(tǒng)
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3D System for Linear Appraisal of Dairy Cow Conformation
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    摘要:

    設(shè)計(jì)奶牛體型評(píng)定三維圖像同步采集系統(tǒng),，采用集散控制結(jié)構(gòu)協(xié)調(diào)奶牛定位設(shè)備,、圖像采集裝置按預(yù)定時(shí)序工作,，應(yīng)用3個(gè)CCD彩色攝像機(jī)與具有多通道,、多獨(dú)立圖像芯片的DH—QP300型圖像采集卡,，實(shí)現(xiàn)了奶牛三維圖像同步采集,；采用LabVIEW軟件作為采集主程序,，通過調(diào)用動(dòng)態(tài)鏈接庫(kù)控制通用圖像采集卡,，選用場(chǎng)方式采集模式提高圖像質(zhì)量,。試驗(yàn)證明，每頭奶牛的圖像采集與線性評(píng)定時(shí)間在3min左右,小于5min(標(biāo)準(zhǔn)),。圖像噪聲較少,，邊緣信息清晰，完全滿足后續(xù)特征提取算法對(duì)圖像質(zhì)量的要求,。

    Abstract:

    3-D synchronization imaging system was developed to realize isochronous acquisition of 3-D images of dairy cow. Distributed control structure has been adopted to correspond orientation device and imaging equipment so that they could work according to schedule. Three CCD color video camera and one DH—QP300 4-channel color frame grabber were adopted to realize isochronous grabbing of 3-D images of the dairy cow. LabVIEW software has been applied to transfer dynamic link libraries to control current frame grabber, single field grabbing mode was adopted to improve image quality. The experimental result showed that the time of images acquisition and linear appraisal is about 3 min, which is less than the standard time 5 min. And the images quality with clear edge and light noise could satisfy the requirements of continued feature extraction algorithm. 

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閆震,錢東平,王東平,王文娣.奶牛體型評(píng)定三維圖像同步采集系統(tǒng)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(2):175-179.3D System for Linear Appraisal of Dairy Cow Conformation[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(2):175-179.

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