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DPICT: Deep Progressive Image Compression Using Trit-Planes. (arXiv:2112.06334v2 [eess.IV] UPDATED)
May 9, 2022, 1:10 a.m. | Jae-Han Lee, Seungmin Jeon, Kwang Pyo Choi, Youngo Park, Chang-Su Kim
cs.CV updates on arXiv.org arxiv.org
We propose the deep progressive image compression using trit-planes (DPICT)
algorithm, which is the first learning-based codec supporting fine granular
scalability (FGS). First, we transform an image into a latent tensor using an
analysis network. Then, we represent the latent tensor in ternary digits
(trits) and encode it into a compressed bitstream trit-plane by trit-plane in
the decreasing order of significance. Moreover, within each trit-plane, we sort
the trits according to their rate-distortion priorities and transmit more
important information first. …
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