Welcome to MITA2013 The 9th International Conference on Multimedia Information Technology and Applications in 2013(MITA2013) will be held at Bali in Indonesia. which is organized and sponsored by the Korea Multimedia Society (KMMS), Republic of Korea in collaboration with Korea Game Society (KGS), Republic of Korea, Institut Teknologi Bandung (ITB) and Udayana University, Indonesia. Until now MITA conferences have been held in Agra(India), Manila(Philippines), Chiang Mai(Thailand), Dalian(China), Osaka(Japan), Katmandu(Nepal), Ulan Bator(Mongolia) and Beijing(China). The conference could be presented the academic papers, industrial exhibitions and all kind of multimedia research fields. The aspects are Multimedia Systems, Multimedia Technology in Internet Applications, Graphical Visualization and Modeling, Multimedia Industry Applications, Virtual Reality and Simulations, Bio-Medical Informatics, Green IT Applications, Digital Signal, Image and Video Processing, Multimedia Networks and Communications etc. This conference will provide an opportunity to the participated scientists from all over the world to debate on the related topics, to design the future research strategies, and to compose collaborations. Our Organizing Committee has selected one of the best venue and banquet at Bali. Our Program Committee will select the qualified papers by the review board and invite the well known scholars in the world to the keynote speeches. Gracefully we invite you and all participants can enjoy to the academic discussions and natural environments at the most beautiful island, Bali. I hopefully see you at Bali in Indonesia