- Q. Zhao, Pasi Fränti, "Centroid Ratio for a Pairwise Random Swap Clustering Algorithm," IEEE Transactions on Knowledge and Data Engineering, 26(5), pp. 1090-1101, May 2014.
- Q. Zhao and P. Fränti, "WB-index: a sum-of-squares based index for cluster validity", Knowledge and Data Engineering, Vol.92, pp.77-89, 2014.
- P. Fränti, M. Rezaei and Q. Zhao, "Centroid index: cluster level similarity measure," Pattern Recognition, 47(9), pp. 2783-3192, 2014.
- Q. Zhao, Y. Shi, Q. Liu and P. Fränti, "A Grid-growing Clustering Algorithm for Geo-spatial Data", Pattern Recognition Letters (accepted), 2014.
- Q. Zhao, V. Hautamäki, I. Kärkkäinen and P. Fränti, "Random swap EM algorithm for Gaussian mixture models and its applications", Pattern Recognition Letters, Vol. 33, pp. 2120-2126, 2012.
- Q. Zhao, M. Rezaei, H. Chen and P. Fränti, "Keyword clustering for automatic categorization", IEEE Int. Conf. on Pattern Recognition (ICPR'12), Tsukuba City, Japan, pp. 2845-2848, November 2012
- Q. Zhao, V. Hautamäki and P. Fränti, "RSEM: an accelerated algorithm on repeated EM", IEEE International Conference on Image and Graphics, (ICIG'11), 2011.
- Q. Zhao, M. Xu and P. Fränti, "Expanding external validity measures for determining the number of clusters", 11th International Conference on
Intelligent Systems Design and Applications, pp.931-936, 2011, ISDA'11.
- J. Chen, Q. Zhao, and P. Fränti, "Smart swap for more efficient clustering", IEEE International Conference on Green Circuits and Systems, (ICGCS'10), Shanghai, China, Jun. 2010.
- Q. Zhao, M. Xu, P. Fränti. "Sum-of-Square Based Cluster Validity Index and Significance Analysis". ICANNGA'09, LNCS 5495, pp.313-322, 2009.
- Q. Zhao, V. Hautamäki, I. Kärkkäinen and P. Fränti, "Random swap EM algorithm for finite mixtures models in image segmentation", IEEE Int. Conf. on Image Processing (ICIP'09), Cairo, Egypt, 2397-2400, November 2009.
- Q. Zhao, V. Hautamäki, P. Fränti. "Knee Point Detection in BIC for Detecting the Number of Clusters". ACIVS 2008,LNCS 5259, pp.664-673, 2008.
- Q. Zhao, M. Xu, P. Fränti. "Knee Point Detection on Bayesian Information Criterion". 20th IEEE Int'l Conference on Tools with Artificial Intelligence, pp.431-438, 2008 IEEE.
Publications in Chinese:
- Q. Zhao, L. Yao, R. Liu, J. Yang. A novel background-based infrared image segmentation method. Computer Simulation, Vol.24, No.5, 2007
- Q. Zhao, L. Yao, H. He, J. Yang. A Target Extraction Method Based on Region of Interest, Infrared and Laser Engineering, Vol.35, Pages: 264-267, Sep. 2006.
- Q. Zhao, L. Yao, J. Chen, H. He, J. Yang. Novel Color Image Segmentation Based on Color Information and Region Growing, Journal of Shanghai Jiaotong University, vol.41, No.5, May 2007.