Robust Provably Secure Image Steganography via Latent Iterative Optimization

Fuente: arXiv
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Autori principali: Li, Yanan, Wang, Zixuan, Xiao, Qiyang, Ren, Yanzhen
Natura: Preprint
Pubblicazione: 2026
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author Li, Yanan
Wang, Zixuan
Xiao, Qiyang
Ren, Yanzhen
author_facet Li, Yanan
Wang, Zixuan
Xiao, Qiyang
Ren, Yanzhen
contents We propose a robust and provably secure image steganography framework based on latent-space iterative optimization. Within this framework, the receiver treats the transmitted image as a fixed reference and iteratively refines a latent variable to minimize the reconstruction error, thereby improving message extraction accuracy. Unlike prior methods, our approach preserves the provable security of the embedding while markedly enhancing robustness under various compression and image processing scenarios. On benchmark datasets, the experimental results demonstrate that the proposed iterative optimization not only improves robustness against image compression while preserving provable security, but can also be applied as an independent module to further reinforce robustness in other provably secure steganographic schemes. This highlights the practicality and promise of latent-space optimization for building reliable, robust, and secure steganographic systems.
format Preprint
id arxiv_https___arxiv_org_abs_2603_09348
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Robust Provably Secure Image Steganography via Latent Iterative Optimization
Li, Yanan
Wang, Zixuan
Xiao, Qiyang
Ren, Yanzhen
Cryptography and Security
Computer Vision and Pattern Recognition
We propose a robust and provably secure image steganography framework based on latent-space iterative optimization. Within this framework, the receiver treats the transmitted image as a fixed reference and iteratively refines a latent variable to minimize the reconstruction error, thereby improving message extraction accuracy. Unlike prior methods, our approach preserves the provable security of the embedding while markedly enhancing robustness under various compression and image processing scenarios. On benchmark datasets, the experimental results demonstrate that the proposed iterative optimization not only improves robustness against image compression while preserving provable security, but can also be applied as an independent module to further reinforce robustness in other provably secure steganographic schemes. This highlights the practicality and promise of latent-space optimization for building reliable, robust, and secure steganographic systems.
title Robust Provably Secure Image Steganography via Latent Iterative Optimization
topic Cryptography and Security
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2603.09348