主持国家自然科学基金项目1项，省重点实验室基金1项，中央高校项目1项，以第二负责人参与国家自然科学基金项目3项，参与横向项目若干项，参与国家“863”计划项目、国家自然科学基金重点项目。
科学研究：
1. 基于动态和静态的视觉注意计算模型的研究（中央高校基本科研业务费专项资金，主持）
2. 基于弱线性回归树在线学习的自适应视频目标检测算法研究（国家自然科学基金青年基金，排名第二）
3. 基于基因调控网络的复杂网络多样性演化算法及应用（国家自然科学基金面上基金，排名第二）

发表相关论文20余篇：
[1] Longsheng Wei, Nong Sang, Yuehuan Wang and Qingqing Zheng. A dynamicsaliency attention model based on local complexity. Digital Signal Processing,2012, 22(5): 760-767
[2] Longsheng Wei, Nong Sang, and Yuehuan Wang. A biologically inspiredobject-based visual attention model. Artificial Intelligence Review, 2010,34(2): 109-119
[3] Nong Sang, Longsheng Wei and Yuehuan Wang. A Biologically- inspiredTop-down Learning Model Based on Visual Attention. IEEE Proceedings of the 20thInternational Conference on Pattern Recognition (ICPR), Istanbul, Turkey, 2010,910: 3736-3739
[4] Longsheng Wei, Nong Sang, and Yuehuan Wang. A spatiotemporal saliencymodel of visual attention based on maximum entropy. Proceedings ofInternational Society for Photogrammetry and Remote Sensing Commission I 2010Symposium, Alberta, Canada. 2010, 3: 1-5
[5] Longsheng Wei, Nong Sang, Yuehuan Wang, Dengwei Wang and Fang Wang.Variable Resolution Image Compression Based on a Model of Visual Attention. TheSixth SPIE International Symposium on Multispectral Image Processing andPattern Recognition, China, 2009, 7495: 74950P-1-74950P-7
[6] Dengwei Wang, Tianxu Zhang, Wenjun Shi, Zhonghua Wang, Xiaoyu Yang,Longsheng Wei. Moving objects segmentation based on piecewise constantMumford-Shah model solving by additive operator splitting. Optical Engineering,2010, 49(3): 037004-1- 037004-7
[7] Dengwei Wang, Tianxu Zhang, Meijun Wan, Longsheng Wei, Wenjun Shi,Zhonghua Wang. Building recognition Based on Indirect Location of PlanarLandmark in FLIR Image Sequences. International Journal of Pattern Recognitionand Artificial Intelligence, 2011, 25(3): 431-448
[8] Wang Dengwei, Zhang Tianxu, Shi Wenjun, Wei Longsheng. The study ofinfrared target recognition at sea background based on visual attentioncomputational model. International Symposium on Photoelectronic Detection andImaging, 2009, 7383: 73830B-1-73830B-15
[9] Wang Dengwei, Zhang Tianxu, Wang Zhonghua, Wei Longsheng, Shi Wenjun,Yang Xiaoyu. The infrared target recognition at sea background based on visualattention computational model and level set methodology. The Sixth SPIEInternational Symposium on Multispectral Image Processing and PatternRecogniton, 2009, 7495: 74953W-1- 74953W-10

申请发明专利10余项、授权5项获软件著作权5项。
[1] 魏龙生, 桑农, 王岳环. 一种基于信息熵的时空显著性视觉注意方法. 专利号: ZL201010192240. 8
[2] 桑农, 魏龙生, 王岳环等. 一种生物激励的自顶向下的视觉注意方法. 专利号: ZL201010229180. 2