A Knapsack Model for Bandwidth Management of Prerecorded Multiple MPEG Video Sources |
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Authors: | Erten Y Murat Güllü Refik Süral Haldun Neftċi Sınan |
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Affiliation: | (1) Department of Industrial Engineering, Korea Advanced Institute of Science and Technology, 3731 Kusong Dong, Taejon, 305701, Korea;(2) Protocol Engineering Center, ETRI, 161 Kajung Dong, Taejon, 305350, Korea |
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Abstract: | In this article we provide a framework for controlling the bit rate of multiple prerecorded MPEG video sequences by choosing the quantization factors assigned to individual sources in a way that the total mean square error at the output of the encoder is minimized. We propose and test a knapsack model for the selection of the quantization factors. Our computations based on a set of relatively diverse video sequences reveal that the proposed model achieves a high utilization of the available bandwidth and acceptable distortion levels without any data loss. |
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