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Skipping Selected Steps of DWT Computation in Lossless JPEG 2000 for Improved Bitrates

Fig 5

Entropy estimation-based SS-DWT bitrate changes for individual images.

rDWT−lossless JPEG 2000 bitrate for 3-level unmodified DWT (bpp); ΔrH0 variant−SS-DWT bitrate change obtained with the use of the entropy estimation-based variants: RH(1) (A) and choosing between FIX1, FIX2, and DWT (B).

Fig 5

doi: https://doi.org/10.1371/journal.pone.0168704.g005