1. Xinjiang Uygur Autonomous Region Museum Institution Urumqi 830002 China
2. School of Art and Archaeology Zhejiang University Hangzhou 310028 China
3. Conservation and Restoration Department The Kucha Academy of Xinjiang Urumqi 830000 China
4. College of Cultural Heritage Northwest University Xi'an 710069 China
5. Laboratory for Art and Archaeology Image of Ministry of Education Zhejiang University Hangzhou 310028 China