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Visual Modeling and Content-based Processing for Video Data Storage and Delivery  

Hwang Jae-Jeong (School of Electronic and Information Engineering, Kunsan National University)
Cho Sang-Gyu (School of Electronic and Information Engineering, Kunsan National University)
Publication Information
Journal of information and communication convergence engineering / v.3, no.1, 2005 , pp. 56-61 More about this Journal
Abstract
In this paper, we present a video rate control scheme for storage and delivery in which the time-varying viewing interests are controlled by human gaze. To track the gaze, the pupil's movement is detected using the three-step process : detecting face region, eye region, and pupil point. To control bit rates, the quantization parameter (QP) is changed by considering the static parameters, the video object priority derived from the pupil tracking, the target PSNR, and the weighted distortion value of the coder. As results, we achieved human interfaced visual model and corresponding region-of-interest rate control system.
Keywords
HCI; face detection; pupil detection; gaze tracking; rate control; content-based coding; object-based coding;
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