title: Responses to the comments on "what the back of the object looks like: 3D reconstruction from line drawings without hidden lines".
abstract: Varley [1] made comments on our paper in [2] section by section. We answer them in this response paper.
authors: University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. cao4@uiuc.edu
authors: Liangliang
authors: L
authors: Cao
authors: Jianzhuang
authors: J
authors: Liu
authors: Xiaoou
authors: X
authors: Tang