基于小波分析和帧间交错图像融合算法的电磁信息泄漏重建方法

IF 2.5 3区 计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Yuliang Sun;Kai Li;Pingyi Tian;Qin Shi;SanQiang Yu;Shanyong Yang;Xinqiang Liu;Guang Yang
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引用次数: 0

摘要

针对显示器电磁泄漏信号复原图像的模糊性问题,提出了一种基于小波分析与帧间交错图像融合算法融合的电磁泄漏信息复原方法。基于多帧平均去噪方法的原理,利用了显示在显示图像信息时依赖于不同视频帧的周期性重复的特点。通过对连续帧进行叠加,实现图像增强,有效降低了环境噪声的影响。同时,融合一维小波变换技术进一步提高了图像重建的质量。实验结果表明,与直接图像重建相比,采用小波分析和频域分层图像重建的融合算法的图像信噪比、对比度和清晰度分别提高了79.7%、15.9%和47.8%。该算法在电磁泄漏信号恢复和信号处理领域具有重要的应用价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Method for EM Information Leakage Reconstruction Based on Wavelet Analysis and Interframe Interleaved Image Fusion Algorithm
Aiming at the fuzzy problem of the image restored by the electromagnetic leakage signal of the display, this article proposes a restoration method of electromagnetic leakage information based on the fusion of wavelet analysis and interframe interleaved image fusion algorithm. Based on the principle of multi-frame average denoizing method, it makes use of the characteristics that the display depends on the periodic repetition of different video frames when displaying image information. Successive frames are superimposed to achieve image enhancement, which effectively reduces the influence of environmental noise. At the same time, the fusion of one-dimensional wavelet transform technology further improves the quality of image reconstruction. The experimental results show that, compared with the direct image reconstruction, the image signal-to-noise ratio, contrast ratio and acuteness of the fusion algorithm using wavelet analysis and frequency domain hierarchical image reconstruction are improved by 79.7%, 15.9%, and 47.8%, respectively. The algorithm has significant application value in the field of electromagnetic leakage signal recovery and signal processing.
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来源期刊
CiteScore
4.80
自引率
19.00%
发文量
235
审稿时长
2.3 months
期刊介绍: IEEE Transactions on Electromagnetic Compatibility publishes original and significant contributions related to all disciplines of electromagnetic compatibility (EMC) and relevant methods to predict, assess and prevent electromagnetic interference (EMI) and increase device/product immunity. The scope of the publication includes, but is not limited to Electromagnetic Environments; Interference Control; EMC and EMI Modeling; High Power Electromagnetics; EMC Standards, Methods of EMC Measurements; Computational Electromagnetics and Signal and Power Integrity, as applied or directly related to Electromagnetic Compatibility problems; Transmission Lines; Electrostatic Discharge and Lightning Effects; EMC in Wireless and Optical Technologies; EMC in Printed Circuit Board and System Design.
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