A security steganography scheme based on hdr image
Wei Gao, Yongqing Huo, Yan Qiao

TL;DR
This paper introduces a novel adaptive steganography scheme utilizing 32-bit HDR images and IEEE 754 norms, achieving improved security at higher payloads compared to traditional spatial and JPEG domain methods.
Contribution
The paper presents a new HDR-based steganography method that enhances security for high payloads, filling a gap in existing spatial and JPEG domain techniques.
Findings
Achieves satisfactory security at payloads from 0.3bpp to 0.5bpp.
Utilizes HDR images and IEEE 754 norms for adaptive embedding.
Outperforms traditional methods in high payload security.
Abstract
It is widely recognized that the image format is crucial to steganography for that each individual format has its unique properities. Nowadays, the most famous approach of digital image steganography is to combine a well-defined distortion function with efficient practical codes such as STC. And numerous researches are concentrated on spatial domain and jpeg domain. However, whether in spatial domain or jpeg domain, high payload (e.g., 0.5 bit per pixel) is not secure enough. In this paper, we propose a novel adaptive steganography scheme based on 32-bit HDR (High dynamic range) format and Norm IEEE 754. Experiments show that the steganographic method can achieve satisfactory security under payload from 0.3bpp to 0.5bpp.
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Taxonomy
TopicsAdvanced Steganography and Watermarking Techniques · Chaos-based Image/Signal Encryption · Digital Media Forensic Detection
