Abstract: It should require a nearly complete rewrite of a stand-alone multimedia editing program to make it operational through a Web browser, since it involves a very different environment and technique. We have implemented two interactive, Web-based tools for multimedia editing. One is for image matting. It is the first image matting tool accessible through a Web browser, and can extract a foreground with thin, thread-like shapes. It begins to process inputs immediately after the user has started to paint with a brush roughly along the boundary between the foreground and the background. The user can stop anywhere while painting, and change the width of brush as needed to help achieve good foreground quality. The result is generally better or not worse than those done by some other similar tools. The other is for video editing. Many new functions for editing digital videos, such as adding or mixing audios to a film, have been included. The functions can be integrated into a multimedia blog to enrich the sharing of multimedia contents.

Brief Biography of the Speaker:
Yen-Chun Lin received his BS degree in electrical engineering from National Taiwan University in 1977, MS degree in computer engineering from National Chiao Tung University in 1983, and PhD degree in electrical engineering from National Taiwan University in 1988. Since 1988 he has been on the faculty at National Taiwan University of Science and Technology. Dr. Lin has been a full professor since February 1993, in Department of Electronic Engineering before August 2001 and then in Department of Computer Science and Information Engineering. He is the founding editor-in-chief of the International Journal of Applied Computer Algorithms and Systems. He served as Program Chair of the 2001 International Conference on Parallel and Distributed Computing, Applications, and Technologies and as Guest Editor of The Journal of Supercomputing, March 2003. Dr. Lin received Honorable Mention of Annual Best Paper Award of Journal of Information Science and Engineering in 2001. He was a Visiting Scientist at the IBM Almaden Research Center, San Jose, California, from 1993 to 1994. His research interests include parallel computing and Web-based applications. Dr. Lin is a life member of the ACM and a member of the IEEE Computer Society.