1. School of Electronics and Information Engineering; University of Science and Technology Liaoning; Anshan 114051 China
2. Wenzhou University; 325035 China
3. School of Design; University of Leeds; LS2 9JT UK
4. State Key Laboratory of Modern Optical Instrumentation; Zhejiang University; Hangzhou China
5. Department of Optics; University of Granada; 18071 Spain
6. Datacolor; Lawrenceville New Jersey 08648 USA