New CVPR 2019 Workshop paper for computer vision and image analysis led by Liping has been published:
A Novel Algorithm for Skeleton Extraction From Images Using Topological Graph Analysis.
4. Yang, L. and Worboys, M. Generation of navigation graphs for indoor space. International Journal of Geographical Information Science, 29(10): 1737-1756, 2015. [Click here (PDF) to download a draft of this paper]