研究方向：
1. 红外热成像理论及系统研制
2. 红外数字图像处理
3. 红外数字全息成像 4.超微光夜视全彩成像 承担及参与的课题：
1. 国家自然科学基金青年基金一项，61505083，强高温干扰下目标场景实时三维红外数字全息成像研究，23.6万，2016.1-2018.12
2. 校引进人才项目一项，NY215043,5万，2016.1-2018.12.
3. 可见光通信室内定位项目，校企合作，20万。
4. 读博期间参加国家“核高基”，“十一五”，“十二五”，“总装预研”等重大纵横向课题8项。
1. Ning Liu, Yingying Zhang, and Jun Xie，“Large object investigation by digital holography with effective spectrum multiplexing under single-exposure approach”，Applied Physics Letters, 2014, 105(151901).
2. Ning Liu,Dongxue Zhao,”Detail enhancement for high-dynamic-range infrared images based on guided image filter”，Infrared Physics & Technology, 2014,67(138-147).
3. Ning Liu, Hang Qiu,” A Time-Domain Projection-Based Registration-Scene-Based Nonuniformity Correction Technology and its Detailed Hardware Realization”, Optical Review, 2014, 21(1):17-26.
4.Ning Liu, Jun Xie,” Interframe Phase-Correlated Registration Scene-Based Nonuniformity Correction Technology”, Infrared Physics & Technology,2015.
5. Ning Liu，Qian Chen; Hang Qiu，“An advanced time-domain projection-based registration scene based non-uniformity correction technology and the detailed hardware realization”， Proceedings of the SPIE - The International Society for Optical Engineering, v 9142, p 91420C (18 pp.), 2014.
6. Liu, Ning ; Qiu, Hang,” A novel scene based non-uniformity correction technology based on projection-based registration”, Information Science, Electronics and Electrical Engineering (ISEEE), 2014 International Conference,2014,1(33-37).
7. Ning Liu, Qian Chen, Guo-hua Gu, Xiu-bao Sui. Microbolometer Dynamic Range Adaptive Technology Based on the Scene Target Temperature Calculation. Optical Reviw,2011,18(6):448-454.
8. 刘宁，陈钱，顾国华，隋修宝. 576×6热像仪帧频提高方法研究.红外与激光工程，2009，38(3):387-390+401.
9. 刘宁，陈钱，顾国华，隋修宝. 640×512制冷探测器积分时间与SNR分析。红外与激光工程，2012,1(41):43-48.
10. 刘宁，陈钱，顾国华，隋修宝. 640×512制冷探测器非线性响应分析.光子学报，2011，40(6):921-925.
11. 刘宁，陈钱，顾国华，隋修宝. 640×512红外焦平面探测器前端噪声分析及抑制技术.红外技术，2010，32(10):572-577.
12. Chao Zuo, Qian Chen, Ning Liu. Display and Detail Enhancement for high-dynamic-range infrared images. Optical Engineering,2011, 50(12):127401(1-9)。
13. Xiubao Sui, Qian Chen, Guohua Gu, Ning Liu. Multi-sampling and filtering technology of IRFPA. Optik, 2011(122):1037-1041.
