Curriculum Reinforcement Learning From Avoiding Collisions to Navigating Among Movable Obstacles in Diverse Environments. - Hsueh-Cheng Wang; Siao-Cing Huang; Po-Jui Huang; Kuo-Lun Wang; Yi-Chen Teng; Yu-Ting Ko; Dongsuk Jeon; I-Chen Wu (IEEE Robotics Autom. Lett., 2023)