留學期間曾參與完成韓國國家級、部級等項目共12項，歸國后主持和參與橫向和縱向項目7項。

發表學術論文40篇，被SCI收錄8篇（第一作者），EI收錄12篇，申請專利2項，代表著作如下：
       [1] Wei Song, Seoungjae Cho, Kyungeun Cho et al., Traversable Ground Surface Segmentation and Modeling for Real-time Mobile Mapping, International Journal of Distributed Sensor Networks, 2014.

[2] Wei Song, Seoungjae Cho, Yulong Xi et al., Real-time Terrain Storage Generation from Multiple Sensors towards Mobile Robot Operation Interface, The Scientific World Journal, 2014.

[3] Wei Song, Kyungeun Cho, Real-time terrain reconstruction using 3D flag map for point clouds, Journal of Multimedia Tools and Applications, 2013.

[4] Wei Song, Kyungeun Cho, Kyhyun Um et al., Intuitive Terrain Reconstruction Using Height Observation-Based Ground Segmentation and 3D Object Boundary Estimation, Journal of SENSORS, Vol.12, No.12, pp.17186-17207, 2012.

[5] Wei Song, Kyungeun Cho, Kyhyun Um et al., Complete Scene Recovery and Terrain Classification in Textured Terrain Meshes, Journal of SENSORS, Vol.12, No.8, pp. 11221-11237, 2012.

曾擔任ICCIT & ICIS conference 2009和IEEE PICom2013學術會議的分會主席，曾擔任IEEE MITA2014等國際會議組委會委員，擔任Journal of Multimedia Information System編委。