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Efficient optimal rate-distortion coding of video sequences under multiple rate constraints

We consider optimal coding of video sequences in the sense of employing an optimal selection of quantization scales under buffer and channel constraints. As a result of the delayed-coding framework, multiple rate constraints emerge, leading to the appearance of multiple Lagrange multipliers in a Lagrangian solution approach. We review the applicable Lagrangian optimization theory developed to-date, and present an efficient new solution algorithm.