L Lastras, T Berger - IEEE Transactions on Information Theory, 2001 - ieeexplore.ieee.org
Given an achievable quadruple (R/sub 1/, R/sub 2/, D/sub 1/, D/sub 2/) for progressive
transmission, the rate loss at step i is defined as L/sub i/= R/sub i/-R (D/sub i/). Let D/sub …