北京大学信息工程学院博士生导师简介：刘宏

　　[14] Pingping Wu, Hong Liu, Xuewu Zhang, “Spontaneous Versus Posed Smile Recognition Using Discriminative Local Spatial-temporal Descriptors”, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , pp.1249-1253, May 4-9, 2014, Florence, Italy. (语音信号领域顶级国际会议)

　　[15] Xiaofei Li, Hong Liu, “Sound Source Localization for HRI Using FOC-based Time Difference Feature and Spatial Grid Matching”, IEEE Transactions on Cybernetics(TCYB), 43(4):1199-1212, 2013.(智能控制领域顶级国际期刊)

　　[16] Yangxi Li, Chao Zhou, Bo Geng, Chao Xu, Hong Liu, “A Comprehensive Study on Learning to Rank for Content-based Image Retrieval”, Signal Processing(SP), 93(6): 1426-1434 , 2013.(信号处理领域顶级国际期刊)

　　[17] Yong Xu, Qi Zhu, Zizhu Fan, Minna Qiu, Yan Chen, Hong Liu, “Coarse to Fine K Nearest Neighbor Classifier”, Pattern Recognition Letters(PR Letters), 34(9): 980-986, 2013. (模式识别领域重要国际期刊)

　　[18] Yong Luo, Dacheng Tao, Chang Xu, Chao Xu, Hong Liu, Yonggang Wen, “Multiview Vector-Valued Manifold Regularization for Multilabel Image Classification”, IEEE Trans. Neural Networks and Learning Systems(TNNLS), 24(5): 709-722, 2013. (智能控制领域顶级国际期刊)

　　[19] Yong Xu, Xingjie Zhu, Zhengming Li, Guang-Hai Liu, Yuwu Lu, Hong Liu, “Using the Original and ‘Symmetrical Face’ Training Samples to Perform Representation based Two-step Face Recognition”, Pattern Recognition (PR), 46(4): 1151-1158, 2013. (模式识别领域顶级国际期刊)

　　[20] Hong Liu, Can Wang, “Hierarchical Data Association and Depth-Invariant Appearance Model for Indoor Multiple Objects Tracking”, IEEE International Conference on Image Processing (ICIP), pp.2635-2639, September 15-18, 2013, Melbourne, Australia. (图像处理领域重要国际会议)

　　[21] Hong Liu, Xing Liu, “Robust Hands Tracking Based on Online Learning and Multi-cue Flocks of Features”, IEEE International Conference on Image Processing (ICIP), pp.3725-3729, September 15-18, 2013, Melbourne, Australia.(图像处理领域重要国际会议)

　　[22] Can Wang, Hong Liu, “Unusual Events Detection based on Multi-Dictionary Sparse Representation using Kinect”, International Conference on Image Processing (ICIP), pp. 2968–2972, September 15-18, 2013, Melbourne, Australia.(图像处理领域重要国际会议)

　　[23] Can Wang, Hong Liu. Xing Liu, “Maximally Stable Curvature Regions for 3D Hand Tracking”, International Conference on Image Processing (ICIP), pp.3895–3899 ,September 15-18, 2013, Melbourne, Australia.(图像处理领域重要国际会议)

　　[24] Qianru Sun, Hong Liu, “Learning Spatio-Temporal Co-occurrence Correlograms for Efficient Human Action Classification”, IEEE International Conference on Image Processing (ICIP), pp.3220-3224, September 15-18, 2013, Melbourne, Australia.(图像处理领域重要国际会议)