色度亮度空間中的線束端子顯微圖像分割
發(fā)布時(shí)間：2019-06-18 16:01
【摘要】：為提取檢測(cè)線束端子質(zhì)量的相關(guān)數(shù)據(jù),提出一種在色度亮度空間中分割線束端子顯微圖像的算法。該方法利用線束端子顯微圖像的顏色分布特點(diǎn),用閾值法分割線束端子。通過(guò)分析線束端子顯微圖像的顏色特點(diǎn),把彩色圖像轉(zhuǎn)換至色度亮度空間。為了保證圖像內(nèi)部的顏色均勻,對(duì)其中的色度向量進(jìn)行濾波。借助獲取色度向量的紅色通道,考慮紅色通道直方圖雙峰夾一谷和雙峰夾多谷情況下閾值并分割圖像,使用數(shù)學(xué)形態(tài)學(xué)方法處理二值圖像獲得內(nèi)徑輪廓。實(shí)驗(yàn)結(jié)果表明,分割得到的端子內(nèi)徑輪廓周長(zhǎng)偏差小于0.1%,表明此方法可以準(zhǔn)確地分割線束端子顯微圖像。
[Abstract]:In order to extract the related data to detect the quality of wire harness terminal, an algorithm for dividing the microscopic image of wire harness terminal in chromaticity luminance space is proposed. Based on the color distribution characteristics of the microscopic image of the wire harness terminal, the threshold method is used to segment the wire harness terminal. By analyzing the color characteristics of the microscopic image of the wire harness terminal, the color image is converted to the chromaticity brightness space. In order to ensure the uniform color of the image, the chromaticity vector is filtered. With the help of obtaining the red channel of chromaticity vector, the threshold of the red channel histogram is considered under the condition of double peak clip one valley and double peak clip multiple valleys, and the image is segmented. The mathematical morphology method is used to process the binary image to obtain the inner diameter profile. The experimental results show that the circumferential deviation of the inner diameter profile of the segmented terminal is less than 0.1%, which shows that this method can accurately segment the microscopic image of the wire harness terminal.
【作者單位】： 河南理工大學(xué)計(jì)算機(jī)科學(xué)與技術(shù)學(xué)院;廣東省數(shù)據(jù)科學(xué)工程技術(shù)研究中心;
【基金】：國(guó)家自然科學(xué)基金(U1404103) 河南省教育廳科技攻關(guān)重點(diǎn)項(xiàng)目(14A520029)
【分類號(hào)】：TP391.41
[Abstract]:In order to extract the related data to detect the quality of wire harness terminal, an algorithm for dividing the microscopic image of wire harness terminal in chromaticity luminance space is proposed. Based on the color distribution characteristics of the microscopic image of the wire harness terminal, the threshold method is used to segment the wire harness terminal. By analyzing the color characteristics of the microscopic image of the wire harness terminal, the color image is converted to the chromaticity brightness space. In order to ensure the uniform color of the image, the chromaticity vector is filtered. With the help of obtaining the red channel of chromaticity vector, the threshold of the red channel histogram is considered under the condition of double peak clip one valley and double peak clip multiple valleys, and the image is segmented. The mathematical morphology method is used to process the binary image to obtain the inner diameter profile. The experimental results show that the circumferential deviation of the inner diameter profile of the segmented terminal is less than 0.1%, which shows that this method can accurately segment the microscopic image of the wire harness terminal.
【作者單位】： 河南理工大學(xué)計(jì)算機(jī)科學(xué)與技術(shù)學(xué)院;廣東省數(shù)據(jù)科學(xué)工程技術(shù)研究中心;
【基金】：國(guó)家自然科學(xué)基金(U1404103) 河南省教育廳科技攻關(guān)重點(diǎn)項(xiàng)目(14A520029)
【分類號(hào)】：TP391.41
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