COPYRIGHT The following is a notice of limited availability of the code, and disclaimer which must be included in the prologue of the code and in all source listings of the code. Copyright Notice + 2010 Computer System Laboratory, Institute of Information Science, Academia Sinica, Taiwan + 2016 COVART Laboratory, Department of Computer Science and Information Engineering, National Taiwan University, Taiwan. Permission is hereby granted to use, reproduce, prepare derivative works, and to redistribute to others. This software was authored by the following authors, sorted by surname: Name: Sheng-Yu Fu Email: d03922013@csie.ntu.edu.tw Name: Ding-Yong Hong Email: dyhong@iis.sinica.edu.tw Name: Yu-Ping Liu Email: r04922005@csie.ntu.edu.tw