Deep Unsupervised Pixelization ACM Transactions on Graphics (SIGGRAPH ASIA 2018 issue) Chu Han^123 Qiang Wen^1, Shengfeng He*1, Qianshu Zhu1, Yinjie Tan1, Guoqiang Han1, and Tien-Tsin Wong23 1 South China University of Technology 2 The Chinese University of Hong Kong, 3 Guangdong Provincial Key Laboratory of Computer Vision and Virtual Reality Technology, SIAT, ^ Joint first authors. * Correspond