浙江工商大学信息与电子工程学院,浙江 杭州 310000
诸葛斌,1976年,男,博士,浙江工商大学,教授,主要研究方向为医学图像配准与模式识别、互联网技术和云计算。
陈莹莹,2001年,女,硕士,浙江工商大学,学生,主要研究方向为智慧教育。
王冰雁,2000年,女,硕士,浙江工商大学,学生,主要研究方向为智慧教育。
董黎刚,1972年,男,博士,浙江工商大学,教授,浙江工商大学信息与电子工程学院院长,主要研究方向为智慧教育与智慧网络。
蒋献,1988年,男,博士,浙江工商大学,实验员,主要研究方向为智慧教育与智慧网络。
收稿:2025-11-28,
修回:2026-02-22,
录用:2026-05-11,
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诸葛斌, 陈莹莹, 王冰雁, 等. 基于自适应注意力机制与SimSiam框架的图像水印研究[J/OL]. 电信科学, 2026.
Zhuge Bin, Chen Yingying, Wang Bingyan, et al. Research on Image Watermarking Based on Adaptive Attention Mechanism and SimSiam Framework[J/OL]. Telecommunications Science, 2026.
诸葛斌, 陈莹莹, 王冰雁, 等. 基于自适应注意力机制与SimSiam框架的图像水印研究[J/OL]. 电信科学, 2026. DOI: 10.11959/j.issn.1000-0801.DXKX250688.
Zhuge Bin, Chen Yingying, Wang Bingyan, et al. Research on Image Watermarking Based on Adaptive Attention Mechanism and SimSiam Framework[J/OL]. Telecommunications Science, 2026. DOI: 10.11959/j.issn.1000-0801.DXKX250688.
针对智慧教育中高精度图像的版权保护需求,本文提出一种融合自适应注意力机制与SimSiam自监督对比学习的鲁棒盲水印算法。该方法利用自适应注意力在高频纹理区域动态分配嵌入权重,在提升JPEG压缩、随机裁剪等攻击鲁棒性的同时保持较高图像质量。SimSiam模块利用对比学习强化特征一致性,有效抑制攻击带来的差异,突出水印的语义稳定性。实验结果表明,本文方法在JPEG压缩(质量因子50)与50%随机裁剪下均实现100%比特恢复率(BRR),PSNR较传统DCT方法提升15.4%。本研究为智慧教育场景下的教学图像提供了一种兼顾鲁棒性与视觉保真度的版权保护技术路径。
To address the copyright protection requirements of high-precision images in smart education
a robust blind watermarking algorithm integrating an adaptive attention mechanism and the SimSiam self-supervised contrastive learning framework was proposed. The adaptive attention mechanism dynamically allocated embedding weights in high-frequency texture regions
thereby enhancing robustness against attacks such as JPEG compression and random cropping while maintaining high image quality. The SimSiam module strengthened feature consistency through contrastive learning
effectively suppressing attack-induced variations and improving the semantic stability of the watermark. Experimental results demonstrated that the proposed method achieved a 100% bit recovery rate (BRR) under JPEG compression (quality factor 50) and 50% random cropping
with a 15.4% improvement in PSNR compared with the traditional DCT-based method. This study provides a copyright protection solution for educational images that balances robustness and visual fidelity in smart education scenarios.
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