Research on Intelligent Recognition Technology of Aggregate Parameters of Loose Asphalt Mixture Based on Image Processing Technology Wei Yu, Postdoctoral Fellow, Department of Civil and Environmental Engineering, University of Waterloo Naixing Liang, Professor, Department of Civil Engineering Chongqing Jiaotong University Susan Tighe, Professor, Department of Civil and Environmental Engineering, University of Waterloo Paper prepared for presentation at the Testing and Modelling of Road and Embankment Materials Session of the 2019 TAC-ITS Canada Joint Conference, Halifax, NS Acknowledgements The authors would like to thank the Centre for Pavement and Transportation Technology (CPATT) and Chongqing Jiaotong University for initiating and supporting this project. Appreciation is extended to Chongqing Postdoctoral Science Foundation for financial support.