基于图像处理的沥青混合料油石比识别研究

Recognition Research of Asphalt-aggregate Ratio for Asphalt Mixture Based on Digital Image Processing

为了提高沥青混合料油石比识别结果的精度,通过采用MATLAB数字图像处理技术,对沥青混合料AC-13C油石比的识别加以研究,主要包括三个方面:沥青混合料配合比设计和图像采集、数字图像处理技术研究、沥青混合料油石比识别。结果表明:通过对马歇尔试件水平切片图像的分析,实际油石比Pay和识别油石比Pax存在线性关系,通过线性拟合后,建立函数Pay=1.6872Pax-5.4606,相关系数R2为0.9617。

In order to improve the accuracity of the recognition research of Asphalt-aggregate ratio for asphalt mixture,the MATLAB digital image processing were used to study the asphalt-aggregate ratio for asphalt mixture AC-13C and the researches mainly include 3 respects：the mixing proportion design and the image collection of asphalt mixture,the research of digital image processing technology,the asphalt-aggregate ratio recognition of asphalt mixture.The results show that there is a good linear functional correlation between the real asphalt-aggregate ratios and the recognition asphalt-aggregate ratios.The linear fitting function was created as Pay = 1.6872Pax-5.4606,and the correlation coefficient R2 is 0.9617.