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Enhancing the Rate-Distortion-Perception Flexibility of Learned Image Codecs with Conditional Diffusion Decoders
March 6, 2024, 5:45 a.m. | Daniele Mari, Simone Milani
cs.CV updates on arXiv.org arxiv.org
Abstract: Learned image compression codecs have recently achieved impressive compression performances surpassing the most efficient image coding architectures. However, most approaches are trained to minimize rate and distortion which often leads to unsatisfactory visual results at low bitrates since perceptual metrics are not taken into account. In this paper, we show that conditional diffusion models can lead to promising results in the generative compression task when used as a decoder, and that, given a compressed representation, …
abstract architectures arxiv coding compression cs.cv diffusion eess.iv flexibility image leads low metrics perception performances rate results type visual
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