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VideoTalk: a collaborative environment for video content discussion

We discuss VideoTalk, a new system for permitting different people from different places to share their views about video content. Several unique features of this application include the shared video player with multi-point VCR control, dynamic speed adjustment, and ability to show dynamic object markers. The video player window of the VideoTalk acts as a shared whiteboard with tele-pointer support. We also propose a new method for automatically computing the dynamic object markers given the shape of the object in the starting and ending frames.