CAJ | 학술논문

电路板的红外图像配准是电路板红外图像故障检测系统中的重点研究内容，由于电路板红外图像背景区域灰度单调，元器件发热区域轮廓粗糙，且伴随着大片受环境影响的辐射区域，对配准精度和配准效率产生很大影响。结合这些特点，利用相位一致性提取电路板发热芯片轮廓，再将轮廓内的区域用区域增长法提取为电路板红外图像 ROI，基于 ROI 的图像配准不仅最大限度地保留了图像信息，又显著降低互信息运算量。实验表明：相对不进行ROI提取的图像配准算法，本文算法能够在保证配准精度的前提下大幅提高配准效率，具有一定的实用性和鲁棒性。
전로판적홍외도상배준시전로판홍외도상고장검측계통중적중점연구내용，유우전로판홍외도상배경구역회도단조，원기건발열구역륜곽조조，차반수착대편수배경영향적복사구역，대배준정도화배준효솔산생흔대영향。결합저사특점，이용상위일치성제취전로판발열심편륜곽，재장륜곽내적구역용구역증장법제취위전로판홍외도상 ROI，기우 ROI 적도상배준불부최대한도지보류료도상신식，우현저강저호신식운산량。실험표명：상대불진행ROI제취적도상배준산법，본문산법능구재보증배준정도적전제하대폭제고배준효솔，구유일정적실용성화로봉성。
Infrared image registration of circuit board is a major research content on fault detection system of circuit board by infrared images. The background region gray of circuit board infrared image is monotonous and the outlines of components’ exothermic areas are rough with extensive radial areas that are influenced by environment, which have great effects on registration accuracy and efficiency. Combining these features, this technique can extract exothermic chips’ outlines of circuit board by phase consistency. Then it changes the areas within the outline into infrared image ROI of circuit board by regional increasing methods. Based on ROI image registration, it not only retains image information as much as possible, but also reduces markedly operand mutual information. The experiment shows the image registration algorithm can ensure registration accuracy and enhance registration efficiency drastically compared with not drawing ROI, which has practicality and robustness.