Hung-Chih Chang received the B.S. degree in engineering science and ocean engineering from the National Taiwan University in 2009 and the M.S. degree from Graduate Institute of Photonics and Optoelectronics from NTU in 2011. He is currently a Ph.D. student of Computer Science in NTU. Major research interests are image processing, computer vision, 2d image semantic segmentation, and 3d scenes semantic and understanding.