Channel-level variable quantization network for deep image compression

Z Zhong, H Akutsu, K Aizawa - arXiv preprint arXiv:2007.12619, 2020 - arxiv.org
Deep image compression systems mainly contain four components: encoder, quantizer,
entropy model, and decoder. To optimize these four components, a joint rate-distortion …

A unified end-to-end framework for efficient deep image compression

J Liu, G Lu, Z Hu, D Xu - arXiv preprint arXiv:2002.03370, 2020 - arxiv.org
Image compression is a widely used technique to reduce the spatial redundancy in images.
Recently, learning based image compression has achieved significant progress by using the …

Comprehensive comparisons of uniform quantization in deep image compression

K Tsubota, K Aizawa - IEEE Access, 2023 - ieeexplore.ieee.org
In deep image compression, uniform quantization is applied to latent representations
obtained by using an auto-encoder architecture for reducing bits and entropy coding …

Joint graph attention and asymmetric convolutional neural network for deep image compression

Z Tang, H Wang, X Yi, Y Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Recent deep image compression methods have achieved prominent progress by using
nonlinear modeling and powerful representation capabilities of neural networks. However …

Learning accurate entropy model with global reference for image compression

Y Qian, Z Tan, X Sun, M Lin, D Li, Z Sun, H Li… - arXiv preprint arXiv …, 2020 - arxiv.org
In recent deep image compression neural networks, the entropy model plays a critical role in
estimating the prior distribution of deep image encodings. Existing methods combine …

Variable rate image compression method with dead-zone quantizer

J Zhou, A Nakagawa, K Kato, S Wen… - Proceedings of the …, 2020 - openaccess.thecvf.com
Deep learning based image compression methods have achieved superior performance
compared with transform based conventional codec. With end-to-end Rate-Distortion …

Entroformer: A transformer-based entropy model for learned image compression

Y Qian, M Lin, X Sun, Z Tan, R Jin - arXiv preprint arXiv:2202.05492, 2022 - arxiv.org
One critical component in lossy deep image compression is the entropy model, which
predicts the probability distribution of the quantized latent representation in the encoding …

CBANet: Toward complexity and bitrate adaptive deep image compression using a single network

J Guo, D Xu, G Lu - IEEE Transactions on Image Processing, 2023 - ieeexplore.ieee.org
In this work, we propose a new deep image compression framework called Complexity and
Bitrate Adaptive Network (CBANet) that aims to learn one single network to support variable …

Multi-context dual hyper-prior neural image compression

A Khoshkhahtinat, A Zafari, PM Mehta… - 2023 International …, 2023 - ieeexplore.ieee.org
Transform and entropy models are the two core components in deep image compression
neural networks. Most existing learning-based image compression methods utilize …

Variable rate deep image compression with a conditional autoencoder

Y Choi, M El-Khamy, J Lee - Proceedings of the IEEE/CVF …, 2019 - openaccess.thecvf.com
In this paper, we propose a novel variable-rate learned image compression framework with
a conditional autoencoder. Previous learning-based image compression methods mostly …