Ji Liu

Stochastic Optimization for Big Data Problems

Greedy Algorithms for Optimization

Optimization for Low Rank Tensor Completion and Sparse Tensor Decompotion

Compressed Sensing and Sparse Learning Theory

Reinforcement Learning

Multi-tasks Learning

Computer Vision (Abnormal Event Detection, Online Metric Learning, and Dictionary Learning)

Early Work in Robotics and 3D Reconstruction

  • Ji Liu, Yang Cong, Yuechao Wang, and Yandong Tang, "Lunar Terrain Reconstruction Based on PDEs Method", ICIP, 2008.
  • Ji Liu, Junjian Peng, Yuechao Wang, and Yandong Tang, "A PDEs Method Preserving Boundaries on Dense Disparity Map Reconstruction", VISAPP, 2008.
  • Ji Liu, Yuechao Wang, Chuan Zhou, and Yanfeng Geng, "A Navigation Simulation System of Lunar Rover", ICNSC, pp556-561, 2008. [video1][video2]
  • Ji Liu, Yuechao Wang, Chuan Zhou, and Yongzhi He, "A Method of Eliminating the Wheel-terrain Interaction Errors in Lunar Rover Simulation", Chinese Journal of System Simulation, 2008.
  • Yang Cong, Xiaomao Li, Ji Liu, and YandongTang, "A Stairway Detection Algorithm based on Vision for UGV Stair Climbing", ICNSC, 2008.
  • Jujian Peng, Ji Liu, Yanfeng Geng, Jianda Han, and Yandong Tang, "A Dynamic Stereo Matching Method Based on Epipaolar-region", Chinese Journal of Computer engineering, 2008.
  • Yanfeng Geng, Kai Kang, Ji Liu, and Hong Wang, "Manufacturing Schedule of Dual-armed Cluster Tools Based on Heuristic Search", ICIT, 2008.
  • Yongzhi He, Chuan Zhou, Ji Liu, Dalong Tan, "Research on Movement Simulation for Wheeled Mobile Robot", Chinese Journal of Scientific Instrument, 2007.