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牛群，博士，現于中山大學人工智能學院任副教授。他的研究方向為移動與泛在計算、基于智能技術的空間感知和物聯網。

牛群于2019年在中山大學取得計算機科學博士學位。

[1] Chen, Zhiwei, Liu, Sisi, Niu, Qun*. Black-box backdoor attack with everyday physical object in mobile crowdsourcing. Expert Systems with Applications, Elsevier BV, 2025, 265

[2] Qun Niu, Kunxin Zhu, Suining He, Shaoqi Cen, S.-H. Gary Chan, Ning Liu*. VILL: Toward Efficient and Automatic Visual Landmark Labeling. ACM Transactions on Sensor Networks , Association for Computing Machinery (ACM), 2023, 19(4): 1--25

[3] Ning Liu, Tao He, Suining He, Qun Niu*. Indoor Localization With Adaptive Signal Sequence Representations. IEEE Transactions on Vehicular Technology, 2021, 70(11): 11678-11694

[4] Qun Niu, Tao He, Ning Liu, Suining He, Xiaonan Luo*, Fan Zhou. MAIL: Multi-Scale Attention-Guided Indoor Localization Using Geomagnetic Sequences. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. (IMWUT/UbiComp), Vol. 4, No. 2, PP. 54:1-54:23, June 2020

[5] Qun Niu, Ning Liu*, Jianjun Huang, Yangze Luo, Suining He, Tao He, S.-H. Gary Chan, Xiaonan Luo. DeepNavi: A Deep Signal-Fusion Framework for Accurate and Applicable Indoor Navigation. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. (IMWUT/UbiComp), Vol. 3, No. 3, PP. 99:1-99:24, Sep. 2019