| 2012 | ICPR | An Enhanced EM algorithm using maximum entropy distribution as initial condition. | Guorong Xuan, Yun Q. Shi, Peiqi Chai, Patchara Sutthiwan |
| 2010 | ISCAS | Double-threshold reversible data hiding. | Guorong Xuan, Yun Q. Shi, Jianzhong Teng, Xuefeng Tong, Peiqi Chai |
| 2008 | ICPR | Reversible binary image data hiding by run-length histogram modification. | Guorong Xuan, Yun Q. Shi, Peiqi Chai, Xuefeng Tong, Jianzhong Teng, Jue Li |
| 2007 | IWDW | Optimum Histogram Pair Based Image Lossless Data Embedding. | Guorong Xuan, Yun Q. Shi, Peiqi Chai, Xia Cui, Zhicheng Ni, Xuefeng Tong |
| 2006 | ICPR | A Novel Pattern Classification Scheme: Classwise Non-Principal Component Analysis (CNPCA). | Guorong Xuan, Peiqi Chai, Xiuming Zhu, Qiuming Yao, Cong Huang, Yun Q. Shi, Dongdong Fu |
| 2006 | ICPR | Feature Selection based on the Bhattacharyya Distance. | Guorong Xuan, Xiuming Zhu, Peiqi Chai, Zhenping Zhang, Yun Q. Shi, Dongdong Fu |
| 2006 | ICPR | Feature Selection based on the Bhattacharyya Distance. | Guorong Xuan, Xiuming Zhu, Peiqi Chai, Zhenping Zhang, Yun Q. Shi, Dongdong Fu |
| 2006 | IWDW | Steganalysis Using High-Dimensional Features Derived from Co-occurrence Matrix and Class-Wise Non-Principal Components Analysis (CNPCA). | Guorong Xuan, Yun Q. Shi, Cong Huang, Dongdong Fu, Xiuming Zhu, Peiqi Chai, Jianjiong Gao |
| 2006 | IWDW | Lossless Data Hiding Using Histogram Shifting Method Based on Integer Wavelets. | Guorong Xuan, Qiuming Yao, Chengyun Yang, Jianjiong Gao, Peiqi Chai, Yun Q. Shi, Zhicheng Ni |
| 2005 | MMSP | Music Identification Using Embedded HMM. | Kai Chen, Sheng Gao, Peiqi Chai, Qibin Sun |
| 2005 | MMSP | LPC Prediction Error Combined with LSB Steganography for Blind Speech Authentication. | Peiqi Chai, Jingyong Liu, Dingyu Pei, Zhiqiang Yang |
| 2005 | MMSP | A Feature Selection Based on Minimum Upper Bound of Bayes Error. | Guorong Xuan, Zhenping Zhang, Peiqi Chai, Yun-Qing Shi, Dongdong Fu |
| 2001 | ICIP | EM algorithms of Gaussian mixture model and hidden Markov model. | Guorong Xuan, Wei Zhang, Peiqi Chai |
| 2000 | Interspeech | Segmentation of prosodic phrases for improving the naturalness of synthesized Mandarin Chinese speech. | Zhengyu Niu, Peiqi Chai |
| 1996 | ICPR | Bhattacharyya distance feature selection. | Guorong Xuan, Peiqi Chai, Minhui Wu |