#7376. Improving UNIWARD distortion function via isotropic construction and hierarchical merging

August 2026publication date
Proposal available till 16-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Media Technology;
Electrical and Electronic Engineering;
Signal Processing;
Computer Vision and Pattern Recognition;
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Abstract:
Distortion function is designed for evaluating the cost of modifications in adaptive steganography. UNIWARD is a successful and popular distortion scheme which achieves high performance both for spatial and JPEG images. In this paper, we analyze the UNIWARD scheme with some empirical rules of distortion function designation. Based on that we propose our scheme to improve UNIWARD distortion.
Keywords:
Distortion; Steganography; UNIWARD

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