High-Capacity Robust Watermarking Technology for High-Resolution Images

Shaowu Wu; Wei Lu; Qing Qian; Mingsen Deng

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arXiv · 2607.17056

High-Capacity Robust Watermarking Technology for High-Resolution Images

Shaowu Wu·Wei Lu·Qing Qian·Mingsen Deng

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Abstract

Most existing watermarking techniques are primarily designed for low-resolution images, with few methods tailored for high-resolution images. Moreover, the embedding capacity is often limited to fixed lengths (e.g., 30, 100, 256 bits, etc.), which struggles to meet practical demands. To address these issues, this paper proposes a high-capacity robust watermarking method for high-resolution images, capable of embedding a watermark of 4 KB (32,768 bits) into images with a resolution of 1024*1024, achieving an embedding rate of 0.0313 bpp. Specifically, this paper adopts a block-wise strategy to effectively embed the watermark into local regions, enabling the network to train and learn normally even under low-resource conditions. The encoder and decoder structures respectively employ a reversible symmetric architecture with three convolutional and three deconvolutional layers, ensuring consistency in the coupling and decoupling of the watermark and image features. Additionally, the loss function combines global and local losses with weighted contributions. By incorporating constraints on the visual quality and robustness of local block regions, the overall imperceptibility and robustness of the image are further enhanced. Extensive experimental results verify that the proposed method is effective and feasible in high-resolution image scenarios with high-capacity watermarking, while demonstrating strong robustness against various noise attacks.

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BibTeX RIS

Shaowu Wu, Wei Lu, Qing Qian, Mingsen Deng. 2026-07-19. High-Capacity Robust Watermarking Technology for High-Resolution Images. https://arxiv.org/abs/2607.17056

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