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End-to-end optimization of nonlinear transform codes for perceptual quality

Open access
Ballé, Jona, Laparra, Valero, Simoncelli, Eero P.·2016·2016 Picture Coding Symposium (PCS)

Abstract

We introduce a general framework for end-to-end optimization of the rate-distortion performance of nonlinear transform codes assuming scalar quantization. The framework can be used to optimize any differentiable pair of analysis and synthesis transforms in combination with any differentiable perceptual metric. As an example, we consider a code built from a linear transform followed by a form of multi-dimensional local gain control. Distortion is measured with a state-of-the-art perceptual metric. When optimized over a large database of images, this representation offers substantial improvements in bitrate and perceptual appearance over fixed (DCT) codes, and over linear transform codes optimized for mean squared error.

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Metadata

Authors
Ballé, J., Laparra, V., & Simoncelli, E. P.
Venue
2016 Picture Coding Symposium (PCS)
Publisher
IEEE
Published
2016
Pages
1-5
OpenAlex
W2490784316
Cited by
261
References
6
FWCI
5.05
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: End-to-end optimization of nonlinear transform codes for perceptual quality. https://app.cochat.ai/papers/10.1109/pcs.2016.7906310
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Ballé, J., Laparra, V., & Simoncelli, E. P. (2016). End-to-end optimization of nonlinear transform codes for perceptual quality. 2016 Picture Coding Symposium (PCS). https://doi.org/10.1109/pcs.2016.7906310

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